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Titolo:
New insights into the Stroop effect: a spatiotemporal analysis of electricbrain activity
Autore:
Khateb, A; Michel, CM; Pegna, AJ; Landis, T; Annoni, JM;
Indirizzi:
Univ Hosp, Neuropsychol Unit, CH-1211 Geneva 14, Switzerland Univ Hosp Geneva Switzerland 14 hol Unit, CH-1211 Geneva 14, Switzerland Univ Hosp, Funct Brain Mapping Lab, CH-1211 Geneva, Switzerland Univ HospGeneva Switzerland CH-1211 ng Lab, CH-1211 Geneva, Switzerland Univ Hosp, Dept Neurol, CH-1211 Geneva 14, Switzerland Univ Hosp Geneva Switzerland 14 t Neurol, CH-1211 Geneva 14, Switzerland Univ Geneva, Plurifac Program Cognit Neurosci, Geneva, Switzerland Univ Geneva Geneva Switzerland ram Cognit Neurosci, Geneva, Switzerland
Titolo Testata:
NEUROREPORT
fascicolo: 9, volume: 11, anno: 2000,
pagine: 1849 - 1855
SICI:
0959-4965(20000626)11:9<1849:NIITSE>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
EVENT-RELATED POTENTIALS; SELECTIVE ATTENTION; TASK; INTERFERENCE; DYNAMICS; TIME; HALF;
Keywords:
brain mapping; event-related potentials; selective attention; source localization; Stroop task; temporal segmentation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Khateb, A Univ Hosp, Neuropsychol Unit, 24 Rue Micheli Crest, CH-1211 Geneva 14, Switzerland Univ Hosp 24 Rue Micheli Crest Geneva Switzerland 14 witzerland
Citazione:
A. Khateb et al., "New insights into the Stroop effect: a spatiotemporal analysis of electricbrain activity", NEUROREPORT, 11(9), 2000, pp. 1849-1855

Abstract

Recent clinical and imaging studies suggest the involvement of anterior brain regions in the Stroop effect without providing consensus on the hemisphere being involved. Here, we investigated the dynamics of brain activation during a modified Stroop task using behavioural, event-related potential map series, and source localization analysis. Behavioural analysis showed an increased RT in the interference (IC) as compared to the neutral (NC) and congruence conditions (CC). Map series analysis in these conditions displayed a similar sequence of 10 stable segments. From these, only segment S6, occurring at similar to 300 ms and displaying a dominant right anterior activation, was of increased duration in IC. Furthermore, in IC only, RT was shown to correlate with S6 duration. These results are discussed in terms of increased duration of an attentional process needed to solve the conflict. NeuroReport 11:1849-1855 (C) 2000 Lippincott Williams & Wilkins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 18:05:12