Cited by 203Memory and Neural MechanismsFish biology, ecology, and behaviorNeuroscience and Neuropharmacology Research

Hallmarks of a common forebrain vertebrate plan: Specialized pallial areas for spatial, temporal and emotional memory in actinopterygian fish

Broglio, C., Gómez, A., Durán, E., Ocaña, F.M., Jiménez-Moya, F., Rodríguez, F., Salas, C.·2005·Brain Research Bulletin

Abstract

In mammals and birds different pallial forebrain areas participate in separate memory systems. In particular, the hippocampal pallium is implicated in spatial memory and temporal attribute processing, whereas the amygdalar pallium is involved in emotional memory. Here we analyze the involvement of teleost fish lateral and medial pallia, proposed as homologous to the hippocampus and amygdala, respectively, in a variety of learning and memory tasks, such as spatial memory; reversal learning; delay or trace motor classical conditioning; heart rate, emotional classical conditioning; and two way active avoidance conditioning. Results show that the damage to the lateral pallium produces a profound deficit in spatial learning and memory in teleost fish. In addition, lateral pallium lesions produce a significant deficit in trace classical conditioning, whereas they have no significant effects on delay conditioning, or in heart rate conditioning. In contrast, medial pallium lesions disrupt emotional, heart rate conditioning and avoidance conditioning, but spare spatial memory and temporal stimulus processing. These data demonstrate a striking functional similarity between the medial and lateral pallia of teleost fish and the pallial amygdala and hippocampal pallium of land vertebrates, respectively. The reviewed evidence suggest that these two separate memory systems, the hippocampus-dependent spatial, relational or temporal memory system, and the amygdala based emotional memory system, could have appeared early during evolution, having conserved their functional identity through vertebrate phylogenesis.

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Crossref · 10.1016/j.brainresbull.2005.03.021

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  • Experimental studies using well-controlled behavioral procedures combined with brain lesion, neural activity recording, and neuro-morphofunctional techniques have provided evidence on the critical role of the teleost fish hippocampal pallium in spatial cognition.

    “A growing number of experimental studies using well-controlled behavioral procedures combined with brain lesion, neural activity recording, and neuro-morphofunctional techniques have provided evidence on the critical role of the teleost fish hippocampal pallium in spatial cognition [28,112,157,180,181,182,183,184,185,186].”

    From Spatial Cognition in Teleost Fish: Strategies and Mechanisms (2021) · cites this paper as [180]

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Authors
Broglio, C., Gómez, A., Durán, E., Ocaña, F. M., Jiménez-Moya, F., Rodríguez, F., & Salas, C.
Affiliations
Universidad de Sevilla (ES)
Corresponding author
Broglio, C.
Venue
Brain Research Bulletin
Publisher
Elsevier BV
Published
2005-09
Volume
66
Issue
4-6
Pages
277-281
ISSN
0361-9230 (ISSN-L)
OpenAlex
W2010578513
Cited by
203
References
37
Citations by year
2026: 8 · 2025: 6 · 2024: 8 · 2023: 6 · 2022: 9 · 2021: 10 · 2020: 11 · 2019: 10 · 2018: 8 · 2017: 10 · 2016: 12 · 2015: 14 · 2014: 13 · 2013: 9 · 2012: 13
FWCI
4.30
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research Bulletin (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Fish biology, ecology, and behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
pallium, medial pallium, spatial memory, emotional memory, temporal memory, classical conditioning, heart rate conditioning, avoidance conditioning, reversal learning, actinopterygian fishes, teleost evolution, forebrain evolution
MeSH terms
Animals, Avoidance Learning, Conditioning, Classical, Emotions, Fishes, Hippocampus, Memory, Space Perception

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