Puotkalis, Nykyta (2025) Does ADHD Affect Pupil Size and Task Performance on a Visual Detection Task? Bachelor thesis, Psychology.
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Abstract
ADHD is often seen as a disorder that primarily affects executive functioning, however, there is evidence to suggest that it can also affect visual perception. In this study, we attempted to find a link between pupil size and differences in visual perception in individuals with ADHD, compared to neurotypical individuals. N = 57 participants answered an ADHD questionnaire, and afterwards performed a near-threshold visual detection task while their pupil sizes were being measured throughout the task. An RM-ANOVA was performed to determine whether there were significant differences in pupil sizes between individuals low and high in ADHD symptoms, and whether this affected their detection accuracy. The results showed no significant effect of ADHD symptoms on pupil size or detection accuracy. Additionally, there were no significant differences in the variability of pupil sizes between the low and high ADHD groups. In conclusion, there were no effects of ADHD on pupil size and detection accuracy, however, this may be due to the experimental paradigm that was chosen, or due to an underpowered sample for detecting differences between groups.
| Item Type: | Thesis (Bachelor) |
|---|---|
| Supervisor name: | Ruuskanen, V.H.S. |
| Degree programme: | Psychology |
| Differentiation route: | None [Bachelor Psychology] |
| Date Deposited: | 21 Feb 2025 07:46 |
| Last Modified: | 21 Feb 2025 07:46 |
| URI: | http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/4677 |
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