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The lateral amygdaloid nucleus: sensory interface of the amygdala in fear conditioning

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LeDoux, JE, Cicchetti, P, Xagoraris, A, Romanski, LM·1990·The Journal of Neuroscience

Abstract

Previous work has implicated projections from the acoustic thalamus to the amygdala in the classical conditioning of emotional responses to auditory stimuli. The purpose of the present studies was to determine whether the lateral amygdaloid nucleus (AL), which is a major subcortical target of projections from the acoustic thalamus, might be the sensory interface of the amygdala in emotional conditioning. Lesions were placed in AL of rats and the effects on emotional conditioning were examined. Lesions of AL, but not lesions of the striatum above or the cortex adjacent to the AL, interfered with emotional conditioning. Lesions that only partially destroyed AL or lesions placed too ventrally that completely missed AL had no effect. AL lesions did not affect the responses elicited following nonassociative (random) training. AL is thus an essential link in the circuitry through which auditory stimuli are endowed with affective properties and may function as the sensory interface of the amygdala during emotional learning.

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Crossref · 10.1523/jneurosci.10-04-01062.1990

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  • Even rats do many things within a single emotion category: in the face of threat, they can freeze, flee, or engage in defensive treading.

    “Even rats do many things within a single emotion category: in the face of a threat, rats can freeze (e.g., LeDoux et al. 1990), flee (Vazdarjanova & McGaugh 1998), or engage in “defensive treading,” in which they kick bedding in the direction of a known threat (Reynolds & Berridge 2002; 2003; 2008).”

    From The brain basis of emotion: a meta-analytic review (2012) · cites this paper as LeDoux et al. 1990

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Research works printed but not linked: 5

  1. Amaral, D. (1987) Memory: Anatomical organization of candidate brain regions. In Handbook of Physiology. Sect. I: Neurophysiology, Vol. 5: Higher Functions of the Brain, F. Plum, ed., pp. 21 I-294, American Physiological Society, Bethesda, MD.
  2. Gallagher, M., B. S. Kapp, J. P. Pascoe, and R. P. Rapp (1981) A neuropharmacology of the amygdala systems which contribute to learning and memory. In The Amygdaloid Complex, Y. Ben-Ari, ed., pp. 343-354, Elsevier, Amsterdam.
  3. Herzog, A. G., and G. W. van Hoesen (1975) Temporal neocortical afferent connections to the amygdala in the rhesus monkey. Brain Res. 115: 57-49. The Journal of Neuroscience, April 1990, W(4) 1069
  4. Le Gal La Salle, G., and Y. Ben-Ari (198 1) Unit activity in the amyg- daloid complex: A review. In The Amygdaloid Complex, Y. Ben-Ari, ed., pp. 227-237, Elsevier, Amsterdam.
  5. Smith, 0. A., C. A. Astley, J. L. DeVito, J. M. Stein, and R. E. Walsh (1980) Functional analysis of hypothalamic control of the cardio- vascular responses accompanying emotional behavior. Fed. Proc. 29: 2487-2494.

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Authors
LeDoux, J., Cicchetti, P., Xagoraris, A., & Romanski, L.
Affiliations
New York University (US)
Venue
The Journal of Neuroscience
Published
1990-04-01
Volume
10
Issue
4
Pages
1062-1069
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2123717940
Cited by
1,167
References
2
Citations by year
2026: 17 · 2025: 20 · 2024: 29 · 2023: 21 · 2022: 33 · 2021: 28 · 2020: 29 · 2019: 25 · 2018: 30 · 2017: 28 · 2016: 31 · 2015: 37 · 2014: 30 · 2013: 44 · 2012: 49
FWCI
14.40
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • American Heart Association
  • National Institute of Mental Health (MH38774)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
fear conditioning, auditory fear conditioning, amygdala, emotional learning, sensory interfaces, lesion studies, rats, striatum, auditory stimuli
MeSH terms
Acoustic Stimulation, Affect, Amygdala, Animals, Behavior, Animal, Conditioning, Classical, Electric Stimulation, Fear, Male, Rats, Inbred Strains, Sensation, Rats

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