期刊
BRAIN RESEARCH
卷 1489, 期 -, 页码 48-55出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.brainres.2012.10.019
关键词
Erotic; Implicit processing; Event-related potentials (ERPs); Emotion
资金
- NSF China [30930031, 91132704]
- National Key Technologies R & D Program, NIH, USA [2009BAI77B01]
- Global Research Initiative Program, NIH, USA [1R01TW007897]
- Fundamental Research Funds for the Central Universities [2009AAT-3]
The current study investigated the time course of the implicit processing of erotic stimuli using event-related potentials (ERPs). ERPs elicited by erotic pictures were compared with those by three other types of pictures: non-erotic positive, negative, and neutral pictures. We observed that erotic pictures evoked enhanced neural responses compared with other pictures at both early (P2/N2) and late (P3/positive slow wave) temporal stages. These results suggested that erotic pictures selectively captured individuals' attention at early stages and evoked deeper processing at late stages. More importantly, the amplitudes of P2, N2, and P3 only discriminated between erotic and non-erotic (i.e., positive, neutral, and negative) pictures. That is, no difference was revealed among non-erotic pictures, although these pictures differed in both valence and arousal. Thus, our results suggest that the erotic picture processing is beyond the valence and arousal. (C) 2012 Elsevier B.V. All rights reserved.
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