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Unmasking emotion: Exposure duration and emotional engagement
Author(s) -
Codispoti Maurizio,
Mazzetti Michela,
Bradley Margaret M.
Publication year - 2009
Publication title -
psychophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.661
H-Index - 156
eISSN - 1469-8986
pISSN - 0048-5772
DOI - 10.1111/j.1469-8986.2009.00804.x
Subject(s) - psychology , duration (music) , exposure duration , audiology , facial expression , developmental psychology , reactivity (psychology) , emotional behavior , cognitive psychology , communication , medicine , art , toxicology , alternative medicine , literature , pathology , biology
Effects of exposure duration on emotional reactivity were investigated in two experiments that parametrically varied the duration of exposure to affective pictures from 25–6000 ms in the presence or absence of a visual mask. Evaluative, facial, autonomic, and cortical responses were measured. Results demonstrated that, in the absence of a visual mask (Experiment 1), emotional content modulated evaluative ratings, cortical, autonomic, and facial changes even with very brief exposures, and there was little evidence that emotional engagement increased with longer exposure. When information persistence was reduced by a visual mask (Experiment 2), differences as a function of hedonic content were absent for all measures when exposure duration was 25 ms but statistically reliable when exposure duration was 80 ms. Between 25–80 ms, individual differences in discriminability were critical in observing affective reactions to masked pictures.