Cited by 80Memory and Neural MechanismsNeurogenesis and neuroplasticity mechanismsNeuroscience and Neuropharmacology Research

Running improves pattern separation during novel object recognition

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Bolz, Leoni, Heigele, Stefanie, Bischofberger, Josef·2015·Brain Plasticity

Abstract

Running increases adult neurogenesis and improves pattern separation in various memory tasks including context fear conditioning or touch-screen based spatial learning. However, it is unknown whether pattern separation is improved in spontaneous behavior, not emotionally biased by positive or negative reinforcement. Here we investigated the effect of voluntary running on pattern separation during novel object recognition in mice using relatively similar or substantially different objects.We show that running increases hippocampal neurogenesis but does not affect object recognition memory with 1.5 h delay after sample phase. By contrast, at 24 h delay, running significantly improves recognition memory for similar objects, whereas highly different objects can be distinguished by both, running and sedentary mice. These data show that physical exercise improves pattern separation, independent of negative or positive reinforcement. In sedentary mice there is a pronounced temporal gradient for remembering object details. In running mice, however, increased neurogenesis improves hippocampal coding and temporally preserves distinction of novel objects from familiar ones.

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  • Running induces an increase of performance in different hippocampus-dependent cognitive tasks, such as spatial memory and spatial pattern separation, novel object recognition, and contextual fear conditioning.

    “As for running, there is straightforward evidence that, in parallel with the surge of proliferation of progenitor cells, it induces an increase of performance in different hippocampus-dependent cognitive tasks, such as spatial memory and spatial pattern separation (Voss et al., 2013;Creer et al., 2010), or novel object recognition (Bolz et al., 2015) and contextual fear conditioning (Kohman et al.”

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Authors
Bolz, L., Heigele, S., & Bischofberger, J.
Affiliations
University of Basel (CH)
Corresponding author
Bischofberger, Josef
Venue
Brain Plasticity
Publisher
IOS Press
Published
2015-06
Volume
1
Issue
1
Pages
129-141
ISSN
  • 2213-6304 (ISSN-L)
  • 2213-6312
OpenAlex
W1937888283
Cited by
80
References
61
Citations by year
2026: 4 · 2025: 4 · 2024: 5 · 2023: 9 · 2022: 9 · 2021: 13 · 2020: 5 · 2019: 9 · 2018: 7 · 2017: 10 · 2016: 3 · 2015: 2
FWCI
4.41
Type
journal article
Language
en
Open access
Locations
  • Brain Plasticity (publishedVersion, other-oa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (31003A)
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 › Neuroscience and Neuropharmacology Research
Keywords
voluntary running, physical activity, pattern separation, novel object recognition, adult neurogenesis, hippocampus, object recognition memory, memory delay, sedentary mice

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