Emotion-modulated performance and activity in left dorsolateral prefrontal cortex

John D. Herrington, Aprajita Mohanty, Nancy S. Koven, Joscelyn E. Fisher, Jennifer L. Stewart, Marie T. Banich, Andrew G. Webb, Gregory A. Miller, Wendy Heller

Research output: Contribution to journalArticle

Abstract

Functional MRI (fMRI) was used to examine the relationship between processing of pleasant and unpleasant stimuli and activity in prefrontal cortex. Twenty volunteers identified the colors in which pleasant, neutral, and unpleasant words were printed. Pleasant words prompted more activity bilaterally in dorsolateral prefrontal cortex (DLPFC) than did unpleasant words. In addition, pleasant words prompted more activity in left than in right DLPFC. Response speed to pleasant words was correlated with DLPFC activity. These data directly link positive affect, enhanced performance, and prefrontal activity, providing some of the first fMRI evidence supporting models of emotional valence and frontal brain asymmetry based on electroencephalography (EEG).

Original languageEnglish (US)
Pages (from-to)200-207
Number of pages8
JournalEmotion
Volume5
Issue number2
DOIs
StatePublished - Jun 1 2005

Keywords

  • Brain asymmetry
  • Dorsolateral prefrontal cortex
  • Emotion
  • Functional MRI
  • Positive affect

ASJC Scopus subject areas

  • Psychology(all)

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    Herrington, J. D., Mohanty, A., Koven, N. S., Fisher, J. E., Stewart, J. L., Banich, M. T., Webb, A. G., Miller, G. A., & Heller, W. (2005). Emotion-modulated performance and activity in left dorsolateral prefrontal cortex. Emotion, 5(2), 200-207. https://doi.org/10.1037/1528-3542.5.2.200