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The primate amygdala represents the positive and negative value of visual stimuli during learning

Author

Listed:
  • Joseph J. Paton

    (Columbia University)

  • Marina A. Belova

    (Columbia University)

  • Sara E. Morrison

    (Columbia University)

  • C. Daniel Salzman

    (Columbia University
    Columbia University
    Columbia University)

Abstract

Feeling by numbers The amygdala is recognized as a part of the brain associated with emotions such as fear and pleasure, and also with reinforcement learning, by which sensory stimuli become associated with positive or negative values. The way that neural circuits assign emotional value to visual stimuli is perhaps the most elusive aspect of this system experimentally. Now a quantitative analysis of primate amygdala neural activity during learning has identified different amygdala neuronal populations that encode the positive or negative value of visual stimuli. What is more, these signals predict when emotional learning will occur. Thus amygdala neural signals can form the basis of behavioural and physiological responses to visual stimuli endowed with emotional meaning.

Suggested Citation

  • Joseph J. Paton & Marina A. Belova & Sara E. Morrison & C. Daniel Salzman, 2006. "The primate amygdala represents the positive and negative value of visual stimuli during learning," Nature, Nature, vol. 439(7078), pages 865-870, February.
    • Handle: RePEc:nat:nature:v:439:y:2006:i:7078:d:10.1038_nature04490
    DOI: 10.1038/nature04490
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    Cited by:

    1. Choong-Wan Woo & Mathieu Roy & Jason T Buhle & Tor D Wager, 2015. "Distinct Brain Systems Mediate the Effects of Nociceptive Input and Self-Regulation on Pain," PLOS Biology, Public Library of Science, vol. 13(1), pages 1-14, January.
    2. Rafal Rygula & Helena Pluta & Piotr Popik, 2012. "Laughing Rats Are Optimistic," PLOS ONE, Public Library of Science, vol. 7(12), pages 1-6, December.
    3. Hiroyuki Kawai & Youcef Bouchekioua & Naoya Nishitani & Kazuhei Niitani & Shoma Izumi & Hinako Morishita & Chihiro Andoh & Yuma Nagai & Masashi Koda & Masako Hagiwara & Koji Toda & Hisashi Shirakawa &, 2022. "Median raphe serotonergic neurons projecting to the interpeduncular nucleus control preference and aversion," Nature Communications, Nature, vol. 13(1), pages 1-22, December.
    4. Hsieh, Tien-Shih & Kim, Jeong-Bon & Wang, Ray R. & Wang, Zhihong, 2020. "Seeing is believing? Executives' facial trustworthiness, auditor tenure, and audit fees," Journal of Accounting and Economics, Elsevier, vol. 69(1).

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