Mager, Ralph and Bullinger, Alex H. and Brand, Serge and Schmidlin, Maria and Schärli, Heinz and Müller-Spahn, Franz and Störmer, Robert and Falkenstein, Michael. (2007) Age-related changes in cognitive conflict processing: an event-related potential study. Neurobiology of Aging, 28 (12). pp. 1925-1935.
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Official URL: https://edoc.unibas.ch/77230/
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Abstract
Cognitive tasks involving conflicting stimuli and responses are associated with an early age-related decline in performance. Conflict and conflict-induced interference can be stimulus- or response-related. In classical stimulus-response compatibility tasks, such as the Stroop task, the event-related potential (ERP) usually reveals a greater negativity on incongruent versus congruent trials which has often been linked with conflict processing. However, it is unclear whether this negativity is related to stimulus- or response-related conflict, thus rendering the meaning of age-related changes inconclusive. In the present study, a modified Stroop task was used to focus on stimulus-related interference processes while excluding response-related interference. Since we intended to study work-relevant effects ERPs and performance were determined in young (about 30 years old) and middle-aged (about 50 years old) healthy subjects (total n=80). In the ERP, a broad negativity developed after incongruent versus congruent stimuli between 350 and 650 ms. An age-related increase of the latency and amplitude of this negativity was observed. These results indicate age-related alterations in the processing of conflicting stimuli already in middle age.
Faculties and Departments: | 03 Faculty of Medicine > Bereich Psychiatrie (Klinik) > Erwachsenenpsychiatrie UPK > Klinische Stress- und Traumaforschung (Holsboer-Trachsler) 03 Faculty of Medicine > Departement Klinische Forschung > Bereich Psychiatrie (Klinik) > Erwachsenenpsychiatrie UPK > Klinische Stress- und Traumaforschung (Holsboer-Trachsler) 03 Faculty of Medicine > Departement Sport, Bewegung und Gesundheit > Bereich Sportwissenschaft > Sportwissenschaften (Pühse) |
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UniBasel Contributors: | Brand, Serge |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | Elsevier |
ISSN: | 0197-4580 |
e-ISSN: | 1558-1497 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: |
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Last Modified: | 24 Aug 2020 14:08 |
Deposited On: | 24 Aug 2020 14:08 |
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