Regular Article: Retrieval of concrete words involves more contextual information than abstract words: Multiple components for the concreteness effect  

Oleh:

Xiao, Xin ; Zhao, Di ; Zhang, Qin ; Guo, Chun-yan

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 120 no. 3 (2012), page 251-258.
Topik: Concreteness effects; Implicit memory; Explicit memory; Directed forgetting; Event-related potentials
Fulltext: 120_03_Xiao.pdf (892.07KB)

Isi artikel

The current study used the directed forgetting paradigm in implicit and explicit memory to investigate the concreteness effect. Event-related potentials (ERPs) were recorded to explore the neural basis of this phenomenon. The behavioral results showed a clear concreteness effect in both implicit and explicit memory tests; participants responded significantly faster to concrete words than to abstract words. The ERP results revealed a concreteness effect (N400) in both the encoding and retrieval phases. In addition, behavioral and ERP results showed an interaction between word concreteness and memory instruction (to-be-forgotten vs. to-be-remembered) in the late epoch of the explicit retrieval phase, revealing a significant concreteness effect only under the to-be-remembered instruction condition. This concreteness effect was realized as an increased P600-like component in response to concrete words relative to abstract words, likely reflecting retrieval of contextual details. The time course of the concreteness effect suggests advantages of concrete words over abstract words due to greater contextual information.

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