Abstract：
:We performed an event-related potential study to investigate the self-relevance effect in object recognition. Three stimulus categories were prepared: SELF (participant's own objects), FAMILIAR (disposable and public objects, defined as objects with less-self-relevant familiarity), and UNFAMILIAR (others' objects). The participants' task was to watch the stimuli passively. Results showed that left-lateralized N250 activity differentiated SELF and FAMILIAR from UNFAMILIAR, but SELF and FAMILIAR were not differentiated. In the later time-course, SELF was dissociated from FAMILIAR, indicating the self-relevance effect in object recognition at this stage. This activity did not show consistent lateralization, in contrast to previous studies reporting right lateralization in self-relevant face and name recognition. We concluded that in object recognition, self-relevance was processed by higher-order cognitive functions later than 300ms after stimulus onset.
journal_name
Brain Cognjournal_title
Brain and cognitionauthors
Miyakoshi M,Nomura M,Ohira Hdoi
10.1016/j.bandc.2006.12.001subject
Has Abstractpub_date
2007-03-01 00:00:00pages
182-9issue
2eissn
0278-2626issn
1090-2147pii
S0278-2626(06)00281-8journal_volume
63pub_type
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