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Clínica y Salud

On-line version ISSN 2174-0550Print version ISSN 1130-5274


DUQUE, Almudena  and  VAZQUEZ, Carmelo. Clinical implications of the use of pupil size as an index of psychological activity: a brief review. Clínica y Salud [online]. 2013, vol.24, n.2, pp.95-101. ISSN 2174-0550.

Since the 60's, pupil reactivity has been used in Psychology as a psychophysiological index of cognitive and emotional processing. In this paper, we provide a brief review from early and controversial studies focused on studying the effect of different types of stimuli on pupil size to the latest research that has used this index as a measure of affective processing in different psychological disorders. We also review studies that link mental activity or cognitive load with pupil dilations. We discuss the clinical implications of the use of this simple psychophysiological index.

Keywords : Pupil size; Emotional processing; Cognitive load; Psychological disorders.

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