Macaque Cardiac Physiology Is Sensitive to the Valence of Passively Viewed Sensory Stimuli

Eliza Bliss-Moreau, Christopher J. Machado, David G Amaral

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Autonomic nervous system activity is an important component of affective experience. We demonstrate in the rhesus monkey that both the sympathetic and parasympathetic branches of the autonomic nervous system respond differentially to the affective valence of passively viewed video stimuli. We recorded cardiac impedance and an electrocardiogram while adult macaques watched a series of 300 30-second videos that varied in their affective content. We found that sympathetic activity (as measured by cardiac pre-ejection period) increased and parasympathetic activity (as measured by respiratory sinus arrhythmia) decreased as video content changes from positive to negative. These findings parallel the relationship between autonomic nervous system responsivity and valence of stimuli in humans. Given the relationship between human cardiac physiology and affective processing, these findings suggest that macaque cardiac physiology may be an index of affect in nonverbal animals.

Original languageEnglish (US)
Article numbere71170
JournalPLoS One
Volume8
Issue number8
DOIs
StatePublished - Aug 5 2013

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autonomic nervous system
Autonomic Nervous System
Physiology
Macaca
Neurology
physiology
electrocardiography
arrhythmia
impedance
sinuses
Macaca mulatta
Electrocardiography
Electric Impedance
Animals
Processing
animals

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Macaque Cardiac Physiology Is Sensitive to the Valence of Passively Viewed Sensory Stimuli. / Bliss-Moreau, Eliza; Machado, Christopher J.; Amaral, David G.

In: PLoS One, Vol. 8, No. 8, e71170, 05.08.2013.

Research output: Contribution to journalArticle

Bliss-Moreau, Eliza ; Machado, Christopher J. ; Amaral, David G. / Macaque Cardiac Physiology Is Sensitive to the Valence of Passively Viewed Sensory Stimuli. In: PLoS One. 2013 ; Vol. 8, No. 8.
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