Hemispheric asymmetry for emotional stimuli detected with fMRI

Turhan Canli; John E. Desmond; Zuo Zhao; Gary Glover; John D.E. Gabrieli

doi:10.1097/00001756-199810050-00019

Hemispheric asymmetry for emotional stimuli detected with fMRI

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

Research output: Contribution to journal › Article › peer-review

352 Scopus citations

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 language	English (US)
Pages (from-to)	3233-3239
Number of pages	7
Journal	Neuroreport
Volume	9
Issue number	14
DOIs	https://doi.org/10.1097/00001756-199810050-00019
State	Published - Oct 5 1998
Externally published	Yes

Keywords

Affect
Emotion
Human
Imaging
Laterality

ASJC Scopus subject areas

General Neuroscience

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10.1097/00001756-199810050-00019

Cite this

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AU - Canli, Turhan

AU - Desmond, John E.

AU - Zhao, Zuo

AU - Glover, Gary

AU - Gabrieli, John D.E.

PY - 1998/10/5

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N2 - 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.

AB - 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.

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KW - Emotion

KW - Human

KW - Imaging

KW - Laterality

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Hemispheric asymmetry for emotional stimuli detected with fMRI

Abstract

Keywords

ASJC Scopus subject areas

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