Stroop matching task: role of feature selection and temporal modulation

被引：13

作者：

David, Isabel A. ^{[1
]}

Volchan, Eliane ^{[3
]}

Vila, Jaime ^{[4
]}

Keil, Andreas ^{[5
]}

de Oliveira, Leticia ^{[1
]}

Faria-Junior, Aydamari J. P. ^{[6
]}

Perakakis, Pandelis ^{[4
]}

Dias, Elisa C. ^{[7
]}

Mocaiber, Izabela ^{[2
]}

Pereira, Mirtes G. ^{[1
]}

Machado-Pinheiro, Walter ^{[2
]}

机构：

[1] Univ Fed Fluminense, Dept Fisiol & Farmacol, Inst Biomed, BR-24210130 Niteroi, RJ, Brazil

[2] Univ Fed Fluminense, Dept Interdisciplinar, Rio Das Ostras, RJ, Brazil

[3] Univ Fed Rio de Janeiro, Inst Biofis Carlos Chagas Filho, Programa Neurobiol, BR-21941 Rio De Janeiro, Brazil

[4] Univ Granada, Fac Psicol, Dept Personalidad Evaluac & Tratamiento Psicol, Granada, Spain

[5] Univ Florida, Dept Psychol, NIMH, Ctr Study Emot & Attent, Gainesville, FL 32611 USA

[6] Univ Fed Amapa, Dept Pesquisa, Macapa, AP, Brazil

[7] Nathan S Kline Inst Psychiat Res, Orangeburg, NY 10962 USA

来源：

EXPERIMENTAL BRAIN RESEARCH | 2011年 / 208卷 / 04期

关键词：

Stroop; ERP; Feature attention; Matching task; ANTERIOR CINGULATE CORTEX; EVENT-RELATED POTENTIALS; FEATURE-BASED ATTENTION; TIME-COURSE; IRRELEVANT INFORMATION; RELEVANT INFORMATION; INTERFERENCE; COLOR; WORD; CONFLICT;

D O I：

10.1007/s00221-010-2507-9

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

We conducted an event-related potential (ERP) study to investigate the electrocortical dynamics of attentional feature-based processing in the Stroop matching task. Participants in the study (n = 37) compared the ink color of a colored word with the meaning of a color-word in white ink. The two task stimuli were presented simultaneously or with SOAs (Stimulus Onset Asynchrony) of 400 and 1,200 ms. The Stroop matching effect was maximal during SOA-0, was reduced at SOA-400, and was inverted at SOA-1200. We focused the ERP analysis on the N1 component. Paralleling the behavioral results, the N1 amplitude was greater for congruent stimuli than incongruent stimuli during SOA-0. This difference was attenuated at SOA-400, and at SOA-1200, an inverse pattern was observed. The results provide evidence that early selection processing participated in the Stroop matching task phenomenon and also suggest that the temporal modulation of early attention is a function of task characteristics such as SOA.

引用

页码：595 / 605

页数：11

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