Hemispheric asymmetry for emotional stimuli detected with fMRI

Turhan Canli, John Desmond, Zuo Zhao, Gary Glover, John D E Gabrieli

Research output: Contribution to journalArticle

Abstract

Current brain models of emotion processing hypothesize that positive (or approach-related) emotions are lateralized towards the left hemisphere, whereas negative (or withdrawal-related) emotions are lateralized towards the right hemisphere. Brain imaging studies, however, have so far failed to document such hemispheric lateralization. In a functional magnetic resonance imaging (fMRI) study, 14 female subjects viewed alternating blocks of emotionally valenced positive and negative pictures. When the experience of valence was equated for arousal, overall brain reactivity was lateralized towards the left hemisphere for positive pictures and towards the right hemisphere for negative pictures. This study provides direct support for the valence hypothesis, under conditions of equivalent arousal, by means of functional brain imaging.

Original languageEnglish (US)
Pages (from-to)3233-3239
Number of pages7
JournalNeuroReport
Volume9
Issue number14
StatePublished - Oct 5 1998
Externally publishedYes

Fingerprint

Emotions
Magnetic Resonance Imaging
Arousal
Functional Neuroimaging
Brain
Neuroimaging

Keywords

  • Affect
  • Emotion
  • Human
  • Imaging
  • Laterality

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Canli, T., Desmond, J., Zhao, Z., Glover, G., & Gabrieli, J. D. E. (1998). Hemispheric asymmetry for emotional stimuli detected with fMRI. NeuroReport, 9(14), 3233-3239.

Hemispheric asymmetry for emotional stimuli detected with fMRI. / Canli, Turhan; Desmond, John; Zhao, Zuo; Glover, Gary; Gabrieli, John D E.

In: NeuroReport, Vol. 9, No. 14, 05.10.1998, p. 3233-3239.

Research output: Contribution to journalArticle

Canli, T, Desmond, J, Zhao, Z, Glover, G & Gabrieli, JDE 1998, 'Hemispheric asymmetry for emotional stimuli detected with fMRI', NeuroReport, vol. 9, no. 14, pp. 3233-3239.
Canli T, Desmond J, Zhao Z, Glover G, Gabrieli JDE. Hemispheric asymmetry for emotional stimuli detected with fMRI. NeuroReport. 1998 Oct 5;9(14):3233-3239.
Canli, Turhan ; Desmond, John ; Zhao, Zuo ; Glover, Gary ; Gabrieli, John D E. / Hemispheric asymmetry for emotional stimuli detected with fMRI. In: NeuroReport. 1998 ; Vol. 9, No. 14. pp. 3233-3239.
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