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ERIC Number: EJ937813
Record Type: Journal
Publication Date: 2011-Nov
Pages: 18
Abstractor: As Provided
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0749-596X
Conscious Intention to Speak Proactively Facilitates Lexical Access during Overt Object Naming
Strijkers, Kristof; Holcomb, Phillip J.; Costa, Albert
Journal of Memory and Language, v65 n4 p345-362 Nov 2011
The present study explored when and how the top-down intention to speak influences the language production process. We did so by comparing the brain's electrical response for a variable known to affect lexical access, namely word frequency, during overt object naming and non-verbal object categorization. We found that during naming, the event-related brain potentials elicited for objects with low frequency names started to diverge from those with high frequency names as early as 152 ms after stimulus onset, while during non-verbal categorization the same frequency comparison appeared 200 ms later eliciting a qualitatively different brain response. Thus, only when participants had the conscious intention to name an object the brain rapidly engaged in lexical access. The data offer evidence that top-down intention to speak proactively facilitates the activation of words related to perceived objects. (Contains 1 table and 7 figures.)
Elsevier. 6277 Sea Harbor Drive, Orlando, FL 32887-4800. Tel: 877-839-7126; Tel: 407-345-4020; Fax: 407-363-1354; e-mail: usjcs@elsevier.com; Web site: http://www.elsevier.com
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A