Cited by 72Memory and Neural MechanismsNeurogenesis and neuroplasticity mechanismsNerve injury and regeneration

Long‐term monitoring of hippocampus‐dependent behavior in naturalistic settings: Mutant mice lacking neurotrophin receptor TrkB in the forebrain show spatial learning but impaired behavioral flexibility

Vyssotski, Alexei L., Dell'Omo, Giacomo, Poletaeva, Inga I., Vyssotski, Dmitri L., Minichiello, Liliana, Klein, Rüdiger, Wolfer, David P., Lipp, Hans‐Peter·2002·Hippocampus

Abstract

P revious behavioral studies (Minichiello et al., Neuron 1999;24:401–414) showed that mice deficient for the TrkB receptor in the forebrain were unable to learn a swimming navigation task with an invisible platform and were severely impaired in finding a visible platform in the same setup. Likewise, additional behavioral deficits suggested a malfunction of the hippocampus and proximally connected forebrain structures. In order to discriminate whether the behavioral impairment was caused either by deficits in spatial memory and learning, or alternatively by loss of behavioral flexibility, 8 trkB mutant, 13 wild‐type, and 22 heterozygous mice were implanted with transponders and released for 21 days into a large outdoor pen (10 × 10 m). The enclosure contained 2 shelters and 8 computer‐controlled feeder boxes, delivering food portions for every mouse only during their first visit. Every third day, mice received food ad libitum inside the shelters. All mice learned to patrol the boxes correctly within a few days. However, significant differences emerged during those days with free food available. Wild‐type mice remained inside the shelters, while all homozygous mutants continued to patrol the boxes in their habitual way, the heterozygous mutants showing intermediate scores. These and previous data suggest that one of the natural functions of the mouse hippocampus is to comediate behavioral flexibility, and that TrkB receptors might play an essential role in maintaining the neuronal short‐term plasticity necessary for this capacity. Hippocampus 2002;12:27–38. © 2002 Wiley‐Liss, Inc.

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  • Unlike wild-type mice, those mutant mice continued to patrol those locations even when food was provided to shelters, which suggested problems with behavioral flexibility.

    “However, unlike wild-type mice, they continued to patrol those locations even when food was provided to shelters, which suggested problems with behavioral flexibility.184”

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Authors
Vyssotski, A. L., Dell'Omo, G., Poletaeva, I. I., Vyssotski, D. L., Minichiello, L., Klein, R., Wolfer, D. P., & Lipp, H.
Affiliations
  • Russian Academy of Sciences (RU)
  • European Molecular Biology Laboratory (DE)
  • University of Zurich (CH)
Corresponding author
Lipp, Hans‐Peter
Venue
Hippocampus
Publisher
Wiley
Published
2002-01
Volume
12
Issue
1
Pages
27-38
ISSN
  • 1050-9631 (ISSN-L)
  • 1098-1063
OpenAlex
W2162434938
Cited by
72
References
55
Citations by year
2026: 1 · 2025: 1 · 2024: 5 · 2023: 3 · 2022: 5 · 2021: 1 · 2020: 4 · 2019: 1 · 2018: 5 · 2017: 2 · 2014: 1 · 2013: 3 · 2012: 1
FWCI
2.50
Type
journal article
Language
en
Open access
closed
Locations
  • Hippocampus (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Digital Library (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
Keywords
TrkB receptor, neurotrophin receptors, behavioral flexibility, spatial learning, spatial memory, mouse mutants, naturalistic behavior, short-term plasticity, feeding behavior, sheltering behavior
MeSH terms
Animals, Behavior, Animal, Cognition, Hippocampus, Learning, Memory, Mice, Inbred C57BL, Mice, Transgenic, Neuronal Plasticity, Spatial Behavior, Prosencephalon, Mice, Knockout, Maze Learning, Receptor, trkB, Mice

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