Skip to main content
Login | Suomeksi | På svenska | In English

Browsing by department "Institutionen för beteendevetenskaper"

Sort by: Order: Results:

  • Levänen, Tuuli (2015)
    Introduction. Previous studies suggest that dyslexic pupils have inordinate difficulties learning foreign languages at school. The present study examined the mismatch negativity (MMN) brain responses elicited by foreign language words and nonwords in dyslexic children compared to typically reading controls. MMN reflects early processing stages in auditory cortex. The aim of this study was to determine whether dyslexic pupils have impaired MMNs for foreign language words or speech stimuli in general, and whether word familiarity has a different effect on the two groups. In addition, the correlations between MMN differences and reading and cognitive skills were analysed. Methods. Participant groups consisted of 14 dyslexic school children, and 14 typically reading controls. Before brain recordings, literacy skills and cognitive functioning were tested. Brain responses to English words (she, shy) and nonwords (shoy), and Finnish words (sai, soi) and nonwords (sii) were measured with electroencephalography (EEG). Results and conclusions. The results suggested that compared to controls, dyslexic children's MMN responses to foreign language were impaired for a familiar word she, but only. However, the groups did not differ in processing speech-sounds in general. In addition, weak MMN responses to the foreign word were associated with poorer reading skills and slower rapid naming in mother language. The results of this study suggest that the establishment, access and activation of memory representations for foreign words is impaired in dyslexia. In addition, the finding that poor performance in native language reading is correlated with the strength of brain responses to foreign language suggests that there are common factors underlying literacy skills and foreign language learning.
  • Lehtonen, Sofia (2017)
    Aim. The aim of this Thesis was to find out what kind of needs for well-being the working-age Finns have and how they experience work-engagement. The Research problem was that even though the well-being need have been proved to be universal it is motivated to study the connection between well-being and work-engagement out of a subjective perspective on needs. The Classical Well-being model the Subjective Well-being Theory, SWB and Self-Determination Theory, SDT were used as the Theoretical Reference frame of this Thesis. Methods. The study was conducted in a qualitative manner. Eight people took part in this study and were interviewed. The respondents were interviewed and filled in a questionnaire regarding their background information. The interviews were conducted using a half-structured theme interview. The data was coded with the Atlas.ti programme and analyzed with the theory bound content analysis method. Results. The results confirmed that the pursuit of well-being is a value of great meaning to the respondents in this study. The results showed that well-being according to the respondents consists mainly of the satisfaction of basic needs like nurture and rest - but also of satisfying the higher level needs like self-fulfillment. Part of the basic needs were seen even as important as the higher-level needs hence, diet and working out were given a lot of attention. Work engagement was mostly affected by how one sees oneself or how other people see oneself. The results even showed that most of the working-aged people have experienced exhaustion or burnout at some point of their lives.
  • Kässi, Juho (2011)
    Objectives: GPS technology enables the visualisation of a map reader's location on a mobile map. Earlier research on the cognitive aspects of map reading identified that searching for map-environment points is an essential element for the process of determining one's location on a mobile map. Map-environment points refer to objects that are visualized on the map and are recognizable in the environment. However, because the GPS usually adds only one point to the map that has a relation to the environment, it does not provide a sufficient amount of information for self-location. The aim of the present thesis was to assess the effect of GPS on the cognitive processes involved in determining one's location on a map. Methods: The effect of GPS on self-location was studied in a field experiment. The subjects were shown a target on a mobile map, and they were asked to point in the direction of the target. In order for the map reader to be able to deduce the direction of the target, he/she has to locate himself/herself on the map. During the pointing tasks, the subjects were asked to think aloud. The data from the experiment were used to analyze the effect of the GPS on the time needed to perform the task. The subjects verbal data was used to assess the effect of the GPS on the number of landmark concepts mentioned during a task (landmark concepts are words referring to objects that can be recognized both on the map and in the environment). Results and conclusions: The results from the experiment indicate that the GPS reduces the time needed to locate oneself on a map. The analysis of the verbal data revealed that the GPS reduces the number of landmark concepts in the protocols. The findings suggest that the GPS guides the subject's search for the map-environment points and narrows the area on the map that must be searched for self-location.
  • Rawlings, Anna (2014)
    Aims. The Behavioural Inhibition/Behavioural Approach System (BIS/BAS) is a neurological approach-avoidance system, where BIS depicts inhibition, anxiety, and fear of failure. The BAS system was in this study divided into BAS Inter (seeking social approval and rewards), BAS Impulse (impulsivity, immediate rewards), and BAS Intra (excitement at novel situations, own successes as a reward). Achievement goal orientations describe motivational tendencies to choose certain types of goals in a learning situation. Of the achievement goal orientations, mastery intrinsic describes the aim to learn with subjective, and mastery extrinsic with absolute criteria of success, performance approach the aim to outperform others and performance avoidance to avoid situations where one can fail. The avoidance orientation describes a disinterest in academic achievements and the goal of exerting as little effort as possible on school. The aim of the study was to examine how dispositional sensitivities affect the motivational aims of students. The research hypothesis is that BIS/BAS sensitivities predict the achievement goal orientations students adopt and exhibit. The research task is to examine how the Motivation and Sensitivity to Reward and Punishment questionnaire (MSRP) not yet used in published research succeeds in defining and measuring aspects of BIS/BAS. Method. The data was collected from five classes of eighth-graders in a school in Helsinki (N=78) in 2008 as a self-response survey, where BIS/BAS was measured using the new MSRP questionnaire, and achievement goal orientations with the achievement goal orientation questionnaire. The effects of BIS/BAS on the achievement goal orientations were examined by means of regression analyses. The MSRP was evaluated by examining the construct validity of the measurement, considering its descriptive capacity in relation to the background theories, and comparing the results with those from research conducted with other instruments. Results. The MSRP functioned relatively well. The mastery orientations were related to a tendency for low impulsivity, mastery intrinsic also to sensitivity to enjoy novel situations and challenges. The performance-approach orientation was predicted by the tendency to seek social approval, and performance-avoidance was connected to the punishment-sensitive inhibitory system. The avoidance orientation was linked with high impulsivity and low levels of excitement in personal successes and novelty in situations. Dispositional tendencies and sensitivities have a predictive effect on motivational achievement goal orientations, and generalised attitudes towards learning at school are to some degree affected by individuals' inherent qualities. These effects should be considered in school practices, to support and meet the needs of students of all dispositions.
  • Paunonen, Erno (2016)
    Videogames are thought to be able to make learning more efficient. However, videogames should contain certain elements to reach this potential, for example clear goals, the right amount of challenge and fast feedback. Optimal challenge is reached – according to a truism – when "the task is not too hard or easy". This notation is also a central part in the flow theory (Csikszentmihalyi, 1975). However, the exact evaluation of what is the optimal difficulty level cannot be made based on it. There are only a few studies, which try to find where the optimal difficulty level lies and these are not able to give a clear answer. In this thesis I used success rate (probability of successful execution of a task) as an objective measurement of challenge. I studied, what the success rate should be for optimal learning to occur and how it affects flow and motivation. In addition, I will evaluate the independent effects of flow and motivation on learning and performance. The study contained three groups with 11 participants each, who were made to play a simple reaction game on a touch screen monitor. Each group had a target success rate which were 0.2 (hard), 0.5 (medium) and 0.9 (easy). Participants played three gaming sessions with this target success rate. Between these sessions a test was conducted. In the test the game stayed the same, but the challenge also was same for all groups. Before every test, the participants filled a flow and motivation questionnaire. The study did not find that difficulty level would affect learning, flow or motivation. However, the 0.5 success rate group evaluated the challenge to be the most pleasant. This could affect motivation in the long run. Flow and motivation were found to increase performance at an individual level. The study did not show that the task difficulty level is as important of a factor as has been previously thought, but it reveals that flow and motivation do play a role in performance.
  • Jussila, Susanna (2016)
    The aim of this study was to examine how temperamental sensitivities and self-worth contingency predict achievement goal orientations. In this study, BIS and BAS were used for measuring temperamental sensitivities. BIS/BAS theorization refers to individual's dispositional sensitivity to reward and non-reward and punishment and non-punishment. Contingency of self-worth reflects the domains in which success or failure leads to increases or decreases in self-esteem. In this study, self-worth contingency on academic competence was measured. Achievement goal orientations refers to individuals' generalized tendencies' to aim and favor for certain goals and end results in achievement situation. In this study, the purpose was gain more information about the possible factors that influence individuals' goal choices in achievement situations.In this study, there were 506 participants (434 females and 72 males) and three different scales were used for measuring BIS/BAS, contingency of self-worth and achievement goal orientations. Sensitivity for BAS was divided into three sub-scales: BAS Novelty seeking, BAS Social Reward, and BAS Positive expressiveness. After preliminary analysis, a series of hierarchical analysis were run for examining the effects of BIS/BAS on achievement goal orientations in the first step, and the additional prediction of contingency of self-worth the second step. As expected, BIS/BAS sensitivities were related to achievement goal orientations. Mastery intrinsic orientation was predicted by BAS Novelty seeking, performance-approach orientation was predicted by BIS and avoidance orientation was predicted by BAS Social Reward. Contingency of self-worth was found to significantly increase the explained share of BIS/BAS relations on achievement goal orientations. Contingency of self-worth also had a direct effect on all achievement goal orientations, except for performance-avoidance orientation. Results point out, that dispositional differences are of importance, when considering individual differences in achievement-related motivation. As a practical implication, the results suggest that the learning culture should be failure permissive and encourage learning for learning's sake.
  • Knuutila, Antti (2012)
    Brains are capable of processing information with remarkable efficiency under constraints set by the limited supply of physical resources such as the amount of space and the availability of metabolic energy. Natural selection has optimised the structure and function of brain networks using simple design rules similar to those found in man-made electronic and information systems. This study presents findings concerning a number of general principles of brain design governing the evolution and organisation of neural information processing. The rule of minimising wiring in neuronal networks is one such principle operating on multiple levels of brain organisation. Both individual components and larger brain architectural units are seen to feature characteristics of near-optimal wiring. Miniaturisation of neuronal components conserves space but raises problems about noise in signalling. Small-world organisation of anatomical and functional networks is widely employed in the brain, contributing to high global efficiency at low cost. Metabolic costs severely constrain signal traffic in the human brain, necessitating the use of energy-efficient sparse neural representations. Extensive evidence is presented of anatomical and physiological optimisations facilitating efficient information processing in brain networks. Limitations of current experimental techniques are discussed, with a view on possible future avenues of research.
  • Partanen, Elina (2015)
    Aims: Embodied practices among people with aphasia remain relatively little known until now. The aim of this study was to describe free conversation interaction between a seriously aphasic speaker and his wife. This study aims to explore what kinds of nonverbal elements appear during the conversation of the aphasic person, and how the nonverbal elements arise in different conversational turns. The main focus of this study is on the substitutive and the complementary gestures of the speech. Earlier studies on aphasia interaction suggest that gestures are an important resource to construct meanings in turns of an aphasic speaker. Data and methods: This is a qualitative study where conversational analysis is used as a research method. Data consists of two videotaped recordings of the couples' free conversation at home settings. Results and conclusions: Several nonverbal elements, which had a significant influence for the conversation interaction of this couple, appeared in the data of this study. The wife interpreted aphasic person's nonverbal elements in the conversation as meaningful elements. The wife gave time and space for the aphasic person to participate in conversation. The aphasic speaker took advantage of the gestures in order to compensate speech loss. In fact, he almost completely relied on the substitutive and complementary gestures in conversation. He used the gestures in many ways and combined gestures skillfully to his limited verbal elements. A significant result in the study was that the aphasic speaker hardly showed any signs for verbal word search before expressing nonverbal elements. He started gesturing often seamlessly just before of his typical turn initiator verbal expressions yeah yes and yeah but or simultaneously with them. Aphasic person's expression were built fast and effortlessly despite the loss of speech. It can be said that aphasic person had adapted to his handicap caused by aphasia by taking advantage from gesturing.
  • Lehtonen, Heidi (2011)
    This study examines the experiences of students with chronic illnesses in higher education. I chose to study rheumatic and other musculoskeletal diseases because they are group of diseases that are nationally significant in Finland. From students experiences I do interpretation of their agency. My research problems are: What kind of obstacles and possibilities student with chronic illness experiences in studying? What kind of obstacles illness set up for the agency or does it set any? How agency of student with chronic illness shows in the context of the university? I collected the data by using interview and focus group method. Additionally I had different kinds of documents of accessibility and equality in the university. Interviews were like halfstructured theme and open interviews. Focus group method I have applied. All the people that participated in the study were students from the university of Helsinki. They all have rheumatic or other musculoskeletal diseases. I have five interviewees and the group consisted of two people and the researcher. In the data analysis I use categorizing by the themes. Students that participated in my study spoke about their pain related experiences of their illness which also connected to their experiences of the higher education. Students agencies were limited the more they experienced pain. Pain forces students to certain activity - one actions avoidance and another's favouring. If part-time studying would have been possible economically, it would have made the life easier for a part of the students. Students were aware of the available resources of their body - for some of the students illness and life control set challenge and for some it set conditions. Students thought that university education is more possible to them than vocational education. Students didn't feel their own body limited in the context of university that emphasize intellectual and knowledge connected values and some of the students had reversed their illness as a resource of studying. However students felt their illness as a private matter and they considered illness profit and disadvantage before telling about it, which I interpreted limiting students agencies. In the university terms of students agencies were bond to individuality that came up in positive and negative. Freedom of studying was positive but official and individual study accommodations made agency bounded. Majority of the students didn't see possibilities to do differently in the university's practice but some of the students had recognised values underneath the practices that made it possible to reflect them, do differently and made space for agency.
  • Syväoja, Josa (2015)
    Objectives. This thesis analyzed disturbances and expansive learning possibilities in benefits officers' learning groups. Pension company Sely organized the project concerning learning groups and the objective of this training program was to develop both individual competence and collective activity in the organization. The theoretical framework of this study was based on cultural-historical activity theory. The aim of the thesis was to study the learning groups in order to discover disturbances, and to also examine how benefits officers manage these problems. Another main objective is to also reveal expansive learning possibilities in the benefits officers' activity. Methods. Two learning groups were established in the organization's learning project. The data consisted of videotaped and tape-recorded material gathered from the meetings of the learning groups. In addition, researcher attended to the meetings and observed the course of conversations. 12 benefits officers participated in this study. Disturbance analysis was chosen for research method. Also, expansive learning cycle was applied in order to analyze the expansive possibilities of the reviewed activity. Results and conclusions. Disturbances in the learning groups discussions' were located to reasons stemming from the subject, the data system tools, and network cooperation. Disturbances were mostly ignored or solved by using already existing solutions. However, there were occasions when benefits officers processed disturbances in a way that questioned the present activity. In addition, there were a few observations where participants also modeled new ideas into the activity. These kinds of observations were analyzed more specifically in order to detect the possibilities for expansive learning. According to the results possibilities for expansive development are connected to the expansion of the boundaries of the benefits officers' activity, such as expansion of the occupational responsibilities and professional roles.
  • Pohjonen, Emma (2019)
    The purpose of this study was to examine how adult social work’s expertise appears in the narratives of social workers. Further, the purpose was to examine how social workers narrate and perform their expertise. The context of adult social work is changing and the most noticeable change is still the transfer of supplementary benefit from municipalities to the Social Insurance Institution of Finland (Kela). The changing context places the social workers in a challenging position. The conception of expertise has changed from individual-based knowing. The emphasis is now more on collaboration and expertise is seen to be shared and negotiated. My study was a qualitative research. I conducted seven interviews with social workers who work in adult social work. I analysed the data with narrative methods. In narrative approach story-telling is seen as a natural part of human life. The stories are an expression of the individual life but also the social context where story-telling takes place. My main interest in this study was in narrative episodes which occur in the narration of the social workers. In the narration of the social workers, expertise seemed to be challenging to explain. Expertise was impacted by structural conditions and multi-professional collaboration where adult social work’s expertise is often seen as inferior. Expertise was experienced in the context of changes and continuities. Adult social work’s expertise seems to be personal and emotion-related. Because of the diversity of the adult social work, the social workers were required to use various forms of expertise in their work.
  • Nylander, Niina (2014)
    Aims. Improved quality of life is considered to be the overarching goal of aphasia rehabilitation based on the social model. Around the world research has been done on the factors that affect the quality of life with people with aphasia. Different kinds of structured quality of life measurements have been developed that aim to enable people with aphasia to self-report quality of life. In Finland research on the subject has been scarce. The aim of this study was to explore the views of Finnish speech and language therapists (SLT) on the quality of life in aphasia rehabilitation and the prevailing clinical practices as well as to investigate how they compare internationally. Methods. For the purposes of this study a questionnaire composed by the Aphasia Committee of the International Association of Logopedics and Phoniatrics (IALP) was translated into the Finnish language. 64 questionnaires were filled out. The Finnish data was analysed by using descriptive statistics and content analysis. The data collected in this survey formed Finland's part of an international survey conducted by IALP, which allowed the comparison between the Finnish and international results. The international survey contained 581 respondents from 16 countries including Finland. The Finnish and international data were compared by cross tabulation and Chi Squared -test. Results and conclusions. According to Finnish SLTs it is important to incorporate into practice with aphasia several quality of life domains, such as communication, affect, in/dependence, social activities, personal outlook and in addition to consider life satisfaction, social support and environment. Almost all of the Finnish SLTs used interviewing as their primary method for assessing the quality of life, only four used structured quality of life measures. Internationally there were mentioned many different structured quality of life assessments. This study indicates explicitly that there is a demand for structured quality of life assessments in Finland. The results can be applied in developing education, research and clinical practice.
  • Toivola, Tiina-Maija (2015)
    Educational capital has a strong significance on a person's status in the society. The possibilities for individual choices in the field of education have increased and decisions concerning education are expected at a very early stage. Educational choices are mainly seen to be a phenomenon among the middle class: the lower social classes have less cultural capital to make choices. The study approached the topic of educational choices from low-educated parents' point of view. The purpose of this study was to understand how low-educated parents describe the principles and values that affect their educational choices. The descriptions are understood as life politics. Life politics include parents' understanding of the significance of education as well as the future scenarios the parents create for their children. This study participates in the discussion of social class and education, and suggests the use of the concept of life politics in the educational research. The research data includes ten thematic interviews carried out to sixth-graders parents' in the city of Espoo. The interviews were implemented as a part of the research project Parents and School Choice (PASC). The data has been analyzed with discourse analytical tools. The results of the study can be summarized in four discourses which can be understood as parents' life politics. First discourse emphasizes the significance of attitude in life, the second one sees education as a way to professional qualification and employment, the third discourse understands education as a way to social mobility and the fourth discourse defines education as an arena for personal development. Discourses include different conceptions of the importance of education and different future scenarios the parents create for their children. The study concludes that the concept of life politics is a useful tool for studying and describing families' educational strategies and the underlying principles and values. Life politics broadens the possibilities to understand the mechanisms of educational choices among parents: it pays attention to the individual life decisions. The concept also supports the former research on social class and education.
  • Lähdepuro, Anna Emilia (2014)
    Objectives: Anxiety symptoms are among the most common psychiatric problems in late adulthood, and they have a wide negative impact on an individual's physical and psychological health. Stressful life experiences may increase anxiety symptoms throughout life, even in late adulthood. The purpose of this master's thesis was to study the association between stressful life experiences, such as self-reported trauma, low socioeconomic status in childhood and adulthood and early separation from parents, and self-reported anxiety symptoms in late adulthood. Moreover, the aim was to examine if cumulative stressful life experiences are associated with a greater amount of anxiety symptoms in later life. Methods: This study comprised 1872 participants of the Helsinki Birth Cohort Study born in Helsinki in 1934-1944. The participants completed the BAI anxiety questionnaire in 2007-2009. In addition to this, 1266 of the participants completed the TEC questionnaire in 2001-2004, inquiring about traumatic events throughout life. Information about the participants' socioeconomic status in childhood and adulthood and childhood separation from parents due to war was based on data from national registers. The association between the different stressful life experiences and anxiety symptoms in late adulthood was examined using linear regression analysis. Moreover, the number of traumatic experiences, the age in which trauma and separation were experienced, and cumulative stressful life experiences as risk factors for anxiety symptoms were examined using one-way ANOVA and t-tests. Participants' age, sex, parity and mother's age were used as covariates. Results and conclusions: As expected, higher amount of self-reported traumatic experiences were associated with higher levels of anxiety symptoms in late adulthood. This association was also found for physical and emotional trauma separately. Moreover, lower socioeconomic status in childhood and adulthood were associated with a higher amount of anxiety symptoms. However, no significant association between childhood separation and later anxiety symptoms was found. Stressful life experiences both in childhood and in adulthood were associated with later anxiety symptoms. Cumulativeness of different stressful life experiences was associated with self-reported anxiety symptoms: the higher amount of stressful life experiences an individual had experienced during life course, the higher was the amount of anxiety symptoms. In conclusion, our results suggest that stressful life experiences throughout life course may increase anxiety symptoms in late adulthood.
  • Jantunen, Noora (2015)
    Objectives: Optimism is usually defined as a stable outcome expectancy. Optimism is known to be positively connected to well-being and health but there are few studies to examine the development of optimism. Traumatic experiences are known to have various negative effects on well-being and mental health. There are also studies that show an association between traumas and personality development and change. Because optimism and pessimism are thought to be concepts similar to personality traits, it is justifiable to study if traumas are also related to optimism and/or pessimism. There are no studies to investigate this earlier. The aim of this study is to examine whether lifetime trauma experiences are associated with optimism-pessimism in early adulthood and whether different traumas or the age of trauma experience have differential effects. Methods: This study is part of the Arvo Ylppö Longitudinal Study (AYLS). All newborns born between 1985 and 1986 in the county of Uusimaa, Finland, who needed hospital care during ten days after birth were invited to participate. Also controls not admitted to the hospital wards were recruited. The current 25-year-old follow-up study consisted of 902 participants who completed a self-report questionnaire for optimism (LOT-R) and a retrospective self-report for traumatic experiences (TEC). The associations between lifetime traumas and optimism-pessimism in early adulthood were analyzed statistically using linear regression and analysis of variance and t tests when examining different groups for the amount of traumas and for different age groups. Results and conclusions: Reporting of any traumatic experience was associated to lower optimism and higher pessimism. The more traumatic experiences one had the lower was optimism and the higher was pessimism. By contrast, the age of traumatic experiences was not statistically significantly associated with the trait of optimism-pessimism. These results remained after controlling demographic variables. However, after controlling neuroticism, only the connection between emotional traumas and optimism-pessimism remained statistically significant. Because optimism and pessimism are known to have an impact on well-being and coping in future adversities, the association between traumas and optimism-pessimism can be considered noteworthy. The results of this study give ground for discussion about whether optimism interventions could be targeted to people who have experienced traumatic events to reduce the negative effects of trauma.
  • Seppälä, Noora (2014)
    Objectives: Hostility and anger in adulthood have been associated with adverse consequences such as coronary heart disease, early mortality, worse mental health and social problems. It is therefore important to study the antecedents of hostility and anger. Previous studies have shown that low socioeconomic status in childhood and in adulthood and traumatic experiences are associated with higher hostility and anger in early and middle adulthood. However, very few studies exploring the association of traumatic experiences and hostility or anger have used large population-based cohorts, and no studies have explored the association in older adults. The aim of this study was to test whether emotional and physical traumas, childhood separation from parents and low socioeconomic status in childhood and adulthood are associated with hostility and anger in late adulthood. Second aim was to test whether the accumulation of these stressful experiences and the age at the time of the first traumatic experience are associated with hostility and anger in late adulthood. Methods: Participants were 1702 people who were born in Helsinki between 1934–1944 (women 55.9 %, average age 63 years) and were part of the Helsinki Birth Cohort Study. The participants filled out a psychological survey between 2001–2004. Emotional and physical traumas were measured with Traumatic Experiences Checklist, hostility with Cook-Medley Ho-scale and trait anger with Spielberger's Trait Anger Scale. The information about childhood and adulthood socioeconomic status and childhood separation from parents due to war time evacuation were retrieved from registers. Linear regression was used as the analysis method. Results: An experience of an emotional or physical trauma and their frequency were associated with higher levels of hostility and anger in late adulthood. Emotional and physical traumas were also separately related to higher levels of hostility and anger. Age at the first emotional or a physical trauma had an effect on hostility: having experienced the first trauma in childhood was associated with higher hostility level, whereas having experienced the first trauma in adulthood was not. Experiences of an emotional or physical trauma were associated with higher anger level regardless of age at the first traumatic experience. Low socioeconomic status in adulthood was associated with higher hostility but not anger. Low socioeconomic status in childhood or childhood separation from parents were not associated with hostility or anger. However, the cumulative number of these stressful experiences was associated with higher levels of hostility and anger. Conclusions: Emotional and physical traumas and the accumulation of stressful experiences during the life course may predispose to higher hostility and anger in late adulthood.
  • Suomela, Essi (2015)
    Negative child-rearing environment has been associated with substance use in previous studies. Although, temperament has been shown to moderate the effects of parenting, only few studies have taken this into account when examining the relationship between family environment and substance use. Participants (n=1878; 56,8 % women) were selected from the longitudinal Young Finns study that began in 1980. The association between temperament trait emotionality and three child rearing attitudes dimensions (i.e., tolerance, significance and discipline) with alcohol consumption and smoking were examined using multinomial and logistic regression analysis. Higher emotionality and negative child rearing attitudes were associated with increased risk of smoking. Interaction between emotionality and tolerance was found: negative tolerance was associated with increased risk of drinking among boys who were high in emotionality. The results indicate that parenting has far-reaching consequences for substance use. The effect is partly moderated by emotionality, which helps to understand why people in the same kind of growth environment drift into different pathways.
  • Nuortimo, Antti (2015)
    Aims. Understanding of emotional processing is important for the research of mental states. A better understanding of the visual system would facilitate understanding the functioning of the entire brain. Emotions are processed in a complex neural network. The aim of the present Master's thesis is to explore the effective connectivity of the occipital face areas (OFAs) and fusiform face areas (FFAs) during the processing of visual stimuli eliciting negative emotion. Methods. The subjects (n = 16) were young adult male students. Negative and neutral emotion were elicited using visual stimuli from the International Affective Picture System (IAPS). Functional magnetic resonance imaging (fMRI) data were acquired using an MRI scanner. The fMRI data were preprocessed and analyzed using SPM8 software. In order to proceed to the psycho-physiological interaction (PPI) analyses, imaging sessions were concatenated and entered into the analyses as one single session. Subject-level model comprised the following regressors: negative emotion, neutral emotion, baseline and a binary regressor for each functional session to model session effects. An effects of interest F-contrast and a negative emotion t-contrast were defined. Spherical volumes of interest (VOIs) were computed for each subject for the left and the right occipital face area (OFA) and for the left and the right fusiform face area (FFA). The PPI variables were computed for each statistically significant VOI. A standard PPI model was defined. Each of the 4 VOIs was used as source region for all other VOIs. A group-level whole brain analysis was done for each PPI source VOI. Group-level VOI analyses were conducted for all PPI source VOIs. Results and conclusions. In the whole brain analyses statistically significant group-level PPIs were found in the following brain regions: left cuneus, right middle occipital gyrus, right and left inferior occipital gyrus, left lingual gyrus, and the left culmen. VOI analyses demonstrated the strong connectivity in the network consisting of the right OFA and left and right FFAs. Negative emotional content enhances effective connectivity in the bilateral OFA-FFA network.
  • Halme, Saara (2015)
    Goals: The emphatizing-systemizing theory (E-S theory) states that emphatizing and systemizing helps us understand gender differences in normal population and the causes of autism spectrum disorders. Emphatizing is the capacity to recognize and predict other people's emotions and thoughts and to respond appropriately. Systemizing is the drive to analyze nonagentive systems and create if-then rules in order to predict their behavior. In general, women have a stronger drive to emphatize and men have a stronger drive to systemize. Extreme male brain theory (EMB Theory) is an extension to the E-S theory. According to the EMB Theory, autism is a result of the extreme of the normal male cognitive profile. In recent years, it has been noticed that autistic traits can also be found in normal population. One might expect that the relationship between emphatizing, systemizing and autistic traits would also be found in healthy individuals. However, not much research has been done on this subject and the results have been somewhat mixed. There have also been some weaknesses in the methods used in previous research. In this paper, I examine the relationship between emphatizing, systemizing and autistic traits in normal population using a wide variety of measurements. The hypothesis is that low emphatizing and high systemizing are related to the amount of autistic traits. Method: 3084 participants took part in an online study. The study consisted of questionnaires and computerized tests. Results and Discussion: Low emphatizing and high systemizing were related to the amount of autistic traits. The negative relationship between emphatizing and autistic traits was bigger than the relationship between systemizing and autistic traits. Tests that measured emphatizing and systemizing abilities correlated only weakly to the amount of autistic traits. Low emphatizing was related to autism's social difficulties. High systemizing was related to the interest toward numbers and patterns associated with autism. It seems that emphatizing and systemizing are linked to different parts of the autistic phenotype.