Dissociating neural indices of dynamic cognitive control in advance task-set preparation

An ERP study of task switching

D. E. Astle, G. M. Jackson, Rachel Swainson

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Switching between different tasks is associated with performance deficits, or 'switch costs', relative to repeating the same task. Recent evidence suggests that response rather than task selection processes may be a major cause of switch costs [Schuch, S., Koch, I., 2003. The role of response selection for inhibition of task sets in task shifting. J Exp Psychol Hum Percept Perform, 29 (1) 92-105]. Thus, switch costs are not incurred if on the preceding trial a task has been prepared for but no response required (a 'no-go' trial). We investigated the relationship between response selection and the subsequent preparation of an alternative task set. While switch costs were absent following 'no-go' trials, ERP differences during the precueing interval showed that response selection has implications for subsequent task preparation as well as for task performance per se. The results are discussed in relation to the dissociation of intention versus action in behavioural control and the role of inhibition in switching between task sets. (c) 2006 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)94-103
Number of pages10
JournalBrain Research
Volume1125
Issue number1
Early online date7 Nov 2006
DOIs
Publication statusPublished - 13 Dec 2006

Keywords

  • task switching
  • ERPs
  • task set
  • cognitive control
  • executive function
  • inhibition
  • potentials
  • components
  • resources
  • brain
  • costs

Cite this

Dissociating neural indices of dynamic cognitive control in advance task-set preparation : An ERP study of task switching. / Astle, D. E.; Jackson, G. M.; Swainson, Rachel.

In: Brain Research, Vol. 1125, No. 1, 13.12.2006, p. 94-103.

Research output: Contribution to journalArticle

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