ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2022
Neuronal Encoding of Emotional Valence and Intensity in the Monkey Amygdala.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- Value coding by primate amygdala neurons complies with the continuity axiom of economic choice theory.Journal of neurophysiology · 2026Article
- Neural representation of emotional valence in human amygdala and surrounding regions.NeuroImage · 2026Article
- Differential and Temporally Dynamic Involvement of Primate Amygdala Nuclei in Face Reality and Reward Information Processing.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Cell-type specific sensory and motor activity in the cuneiform nucleus and pedunculopontine nucleus in mice.Scientific reports · 2025Article
- Brain representations of affective valence and intensity in sustained pleasure and pain.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The amygdala and the pursuit of future rewards.Frontiers in neuroscience · 2024Review
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
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Abstract
Neuropsychological and neuroimaging studies have suggested that the primate amygdala plays an essential role in processing the emotional valence and intensity of visual stimuli, which is necessary for determining whether to approach or avoid a stimulus. However, the neuronal mechanisms underlying the evaluation of emotional value remain unknown. In the present study, we trained male macaque monkeys to perform an operant conditioning task in which fractal visual patterns were associated with three different amounts of air puff delivered to the cheek (negative) or liquid reward (positive). After confirming that the monkeys successfully differentiated the emotional valence and intensity of the visual stimuli, we analyzed neuronal responses to the stimuli in the amygdala. Most amygdala neurons conveyed information concerning the emotional valence and/or intensity of the visual stimuli, and the majority of those conveying information about emotional valence responded optimally to negative stimuli. Further, some amygdala neurons conveyed information related to both emotional valence and intensity, whereas a small portion conveyed information related to emotional intensity alone. These results indicate that the primate amygdala encodes both emotional valence and intensity, highlighting its important role in the avoidance of dangerous stimuli and animal survival.
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