Material-specific interference control is dissociable and lateralized in human prefrontal cortex

Maiya R. Geddes, Ami Tsuchida, Victoria Ashley, Diane Swick, Lesley K. Fellows

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The prefrontal cortex (PFC) plays a key role in the ability to pursue a particular goal in the face of competing alternatives, an ability that is fundamental to higher-order human behavior. Whether this region contributes to cognitive control through material-general mechanisms, or through hemispheric specialization of component abilities, remains unclear. Here we show that left or right ventrolateral PFC damage in humans leads to doubly dissociable deficits in two classic tests of interference control. Patients with damage centered on left ventrolateral prefrontal cortex had exaggerated interference effects in the color-word Stroop, but not the Eriksen flanker task, whereas patients with damage affecting right ventrolateral prefrontal cortex showed the opposite pattern. Thus, effective interference resolution requires either right or left lateral PFC, depending on the nature of the task. This finding supports a lateralized, material-specific account of cognitive control in humans.

Original languageEnglish (US)
Pages (from-to)310-319
Number of pages10
JournalNeuropsychologia
Volume64
DOIs
StatePublished - Nov 1 2014

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Prefrontal Cortex
Aptitude
Cerebral Dominance
Color
Interference
Damage
Cognitive Control

Keywords

  • Cognitive control
  • Frontal lobes
  • Hemispheric specialization
  • Lesion
  • Neuropsychology
  • Ventrolateral prefrontal cortex

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology
  • Arts and Humanities (miscellaneous)

Cite this

Material-specific interference control is dissociable and lateralized in human prefrontal cortex. / Geddes, Maiya R.; Tsuchida, Ami; Ashley, Victoria; Swick, Diane; Fellows, Lesley K.

In: Neuropsychologia, Vol. 64, 01.11.2014, p. 310-319.

Research output: Contribution to journalArticle

Geddes, Maiya R. ; Tsuchida, Ami ; Ashley, Victoria ; Swick, Diane ; Fellows, Lesley K. / Material-specific interference control is dissociable and lateralized in human prefrontal cortex. In: Neuropsychologia. 2014 ; Vol. 64. pp. 310-319.
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