Cited by 1,351Memory and Neural MechanismsNeuroscience and Neuropharmacology ResearchOlfactory and Sensory Function Studies

What is the amygdala?

Swanson, Larry W., Petrovich, Gorica D.·1998·Trends in Neurosciences

Abstract

'Amygdala' and 'amygdalar complex' are terms that now refer to a highly differentiated region near the temporal pole of the mammalian cerebral hemisphere. Cell groups within it appear to be differentiated parts of the traditional cortex, the claustrum, or the striatum, and these parts belong to four obvious functional systems--accessory olfactory, main olfactory, autonomic and frontotemporal cortical. In rats, the central nucleus is a specialized autonomic-projecting motor region of the striatum, whereas the lateral and anterior basolateral nuclei together are a ventromedial extension of the claustrum for major regions of the temporal and frontal lobes. The rest of the amygdala forms association parts of the olfactory system (accessory and main), with cortical, claustral and striatal parts. Terms such as 'amygdala' and 'lenticular nucleus' combine cell groups arbitrarily rather than according to the structural and functional units to which they now seem to belong. The amygdala is neither a structural nor a functional unit.

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Crossref · 10.1016/s0166-2236(98)01265-x

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Authors
Swanson, L. W., & Petrovich, G. D.
Affiliations
University of Southern California (US)
Venue
Trends in Neurosciences
Publisher
Elsevier BV
Published
1998-08
Volume
21
Issue
8
Pages
323-331
ISSN
0166-2236 (ISSN-L)
OpenAlex
W2008106418
Cited by
1,351
References
65
Citations by year
2026: 25 · 2025: 31 · 2024: 37 · 2023: 27 · 2022: 49 · 2021: 50 · 2020: 53 · 2019: 30 · 2018: 43 · 2017: 61 · 2016: 45 · 2015: 35 · 2014: 51 · 2013: 46 · 2012: 61
FWCI
4.58
Type
journal article
Language
en
Open access
closed
Locations
  • Trends in Neurosciences (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Neurological Disorders and Stroke (NS-16686.)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
Keywords
amygdala, basal ganglia, claustrum, striatum, accessory olfactory system, main olfactory system, autonomic systems, temporal pole, lentiform nucleus, functional systems, rat brain, neuroanatomical terminology
MeSH terms
Amygdala, Animals, Humans, Neural Pathways

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