Abstract：
:The purpose of this study was to investigate electrophysiological correlates related to the recognition of repeated faces in the intact human by means of event-related brain potentials (ERPs). A group of young healthy adults performed a continuous face recognition task, in which 240 unfamiliar faces were flashed upon a computer screen with 80 of the faces being repetitions. The subjects had to classify faces as previously seen and previously unseen faces. The concomitantly recorded ERPs from 19 scalp sites revealed a more positive going waveform for the correctly classified repeated faces beginning at about 280 ms (old/new effect). The same subjects performed a similar task with visually presented concrete nouns as stimuli. The old/new effect in this task showed a similar distribution, amplitude and onset latency. It is thus concluded that the old/new effect is not specific to the materials to be memorized. In contrast, the old/new effect in an implicit face repetition experiment (with the detection of famous persons being the task) showed a different distribution. It is argued that the differential distribution might reflect the different requirements of the two tasks (explicit vs. implicit task). Recent interpretations of the old/new effects are discussed.
journal_name
Neurosci Resjournal_title
Neuroscience researchauthors
Münte TF,Brack M,Grootheer O,Wieringa BM,Matzke M,Johannes Sdoi
10.1016/s0168-0102(97)00047-3subject
Has Abstractpub_date
1997-07-01 00:00:00pages
223-33issue
3eissn
0168-0102issn
1872-8111pii
S0168-0102(97)00047-3journal_volume
28pub_type
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pub_type： 杂志文章
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