Abstract：
:Knowledge about the typical colors associated with familiar everyday objects (i.e., strawberries are red) is well-known to be represented in the conceptual semantic system. Evidence that such knowledge may also play a role in early perceptual processes for object recognition is scant. In the present ERP study, participants viewed a list of object pictures and detected infrequent stimulus repetitions. Results show that shortly after stimulus onset, ERP components indexing early perceptual processes, including N1, P2, and N2, differentiated between objects in their appropriate or congruent color from these objects in an inappropriate or incongruent color. Such congruence effect also occurred in N3 associated with semantic processing of pictures but not in N4 for domain-general semantic processing. Our results demonstrate a clear effect of color knowledge in early object recognition stages and support the following proposal-color as a surface property is stored in a multiple-memory system where pre-semantic perceptual and semantic conceptual representations interact during object recognition.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Lu A,Xu G,Jin H,Mo L,Zhang J,Zhang JXdoi
10.1016/j.neulet.2009.12.039subject
Has Abstractpub_date
2010-01-29 00:00:00pages
405-10issue
3eissn
0304-3940issn
1872-7972pii
S0304-3940(09)01609-7journal_volume
469pub_type
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journal_title：Neuroscience letters
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journal_title：Neuroscience letters
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journal_title：Neuroscience letters
pub_type： 杂志文章,评审
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journal_title：Neuroscience letters
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