Browsing by Author "Ferreira , Daniela Filipa Campos"
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- Unveiling the psyche: A scientific safari into occupational determinants of cognitive function and psychological well-being through pupillometryPublication . Ferreira , Daniela Filipa CamposThe first primary objective of the study was to conduct a pre-test validation of the Pupil Labs Core (PLC) eye-tracking glasses. The second aim was to assess the accuracy of PLC glasses in measuring changes in pupil diameter to evaluate determinants of cognitive function and psychological well-being (CFPW), comparing results with subjective methods. To better understand the aims of the study, fundamental concepts were explained, including eye anatomy, determinants of CFPW, their effects, and eye-tracking. Additionally, a review of current subjective and objective approaches for assessing determinants of CFPW was included. Next, the methodology and findings of PLC validation were described, revealing strong correlations between PLC and the gold standard equipment, validating PLC. However further validation under higher illuminance lighting conditions is recommended. Following, the methodology and outcomes of the determinants of CFPW assessment was presented, indicating consistent results with literature regarding pupil size and workload, fatigue, stress, and attention. Objective methods proved superior in analysing these factors compared to subjective scales due to participant bias in interpretating the latter. Notably, participants identified 500 lux as the optimal lighting condition objectively and subjectively, suggesting workplaces should adopt this light level to enhance productivity and mental health.