Journal
EMOTION
Volume 6, Issue 2, Pages 208-214Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/1528-3542.6.2.208
Keywords
pictures; emotion; mood; international affective picture system; rapid serial visual presentation; startle reflex
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Funding
- NIDCR NIH HHS [DE 13956] Funding Source: Medline
- NIMH NIH HHS [F32-MH066601, P50-MH52384] Funding Source: Medline
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Emotional reactions were assessed to pictorial stimuli presented in a continuous stream at rapid speeds that compromise conceptual memory and the processing of specific picture content. Blocks of unpleasant. neutral, or pleasant pictures were presented at the rate of either three pictures per second or seven pictures per second. Even with rapid presentation rates, startle reflexes, corrugator muscle activity, and skin conductance responses were heightened when viewing unpleasant pictures. These effects were stronger later in the aversive block, suggesting that cumulative exposure increasingly activates the defense system. The findings suggest that, despite conceptual masking inherent in rapid serial visual presentation, affective pictures prompt measurable emotional engagement.
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