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ERIC Number: EJ945664
Record Type: Journal
Publication Date: 2011-Oct
Pages: 12
Abstractor: As Provided
Reference Count: 77
ISSN: ISSN-0096-1523
Multiple Systems for Cognitive Control: Evidence from a Hybrid Prime-Simon Task
Schlaghecken, Friederike; Refaat, Malik; Maylor, Elizabeth A.
Journal of Experimental Psychology: Human Perception and Performance, v37 n5 p1542-1553 Oct 2011
Cognitive control resolves conflicts between appropriate and inappropriate response tendencies. Is this achieved by a unitary all-purpose conflict control system, or do independent subsystems deal with different aspects of conflicting information? In a fully factorial hybrid prime-Simon task, participants responded to the identity of targets displayed at different nominally irrelevant screen locations, preceded by nominally irrelevant, consciously or nonconsciously perceived primes. The response required by the target's identity could match or mismatch (a) the target's location, and (b) the prime's identity, resulting in potential conflict (a) across and (b) within stimulus domains. Conflict effects were investigated within and across trials. Results suggest that (i) nonconsciously perceived information elicits within-trial control, but--unlike consciously perceived information--no across-trial behavioral modulation; (ii) separate subsystems deal with conflicts arising from different stimulus domains; and (iii) occasional apparent interactions between domains reflect a particular difficulty in reactivating a just-discarded response (reactivation aversion effect, RAE). (Contains 1 table, 3 figures and 8 footnotes.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A