Browsing by Author "Laajala, Tiina"

Psychological scientist have been interested to evolve methods to collect valid and reliable data. In some cases people don´t understand themselves either the reasons for their specific behaviour or answer. Pupils have been said to be the window to a person's soul and data collected from them have been used in psychological study since 1960s. This Bachelor's thesis introduces the kinds of psychological phenomenons that have been discovered to be reflected by pupillary responses. Google Scholar database was used in this thesis and search words were: pupillometry, pupil response, pupil dilation, pupillary light reflex, emotion, arousal, attention, resource allocation, cognition, information processing, fluid intelligence, perception consolidation, autism, schizophrenia, putting. In total, pupil size was affected by physiological state, cognitive effort, perception consolidation, attentional resource allocation and processing emotionally arousing stimulus. Pupillometry is widely used across different disciplines that involve cognitive science. It suits particularly well in certain research questions, such as implicit processing and questions that involve processes not easily amenable to verbal report or simple behavioural responses or those liable to be affected by social desirability.