Cited by 203Tactile and Sensory InteractionsNeural dynamics and brain functionNeurogenesis and neuroplasticity mechanisms

Reorganization of cortical population activity imaged throughout long-term sensory deprivation

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Margolis, David J, Lütcke, Henry, Schulz, Kristina, Haiss, Florent, Weber, Bruno, Kügler, Sebastian, Hasan, Mazahir T, Helmchen, Fritjof·2012·Nature Neuroscience

Abstract

Sensory maps are reshaped by experience. It is unknown how map plasticity occurs in vivo in functionally diverse neuronal populations because activity of the same cells has not been tracked over long time periods. Here we used repeated two-photon imaging of a genetic calcium indicator to measure whisker-evoked responsiveness of the same layer 2/3 neurons in adult mouse barrel cortex over weeks, first with whiskers intact, then during continued trimming of all but one whisker. Across the baseline period, neurons displayed heterogeneous yet stable responsiveness. During sensory deprivation, responses to trimmed whisker stimulation globally decreased, whereas responses to spared whisker stimulation increased for the least active neurons and decreased for the most active neurons. These findings suggest that recruitment of inactive, 'silent' neurons is part of a convergent redistribution of population activity underlying sensory map plasticity. Sensory-driven responsiveness is a key property controlling experience-dependent activity changes in individual neurons.

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Crossref · 10.1038/nn.3240

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Authors
Margolis, D. J., Lütcke, H., Schulz, K., Haiss, F., Weber, B., Kügler, S., Hasan, M. T., & Helmchen, F.
Affiliations
  • University of Zurich (CH)
  • Universitätsmedizin Göttingen (DE)
  • Max Planck Institute for Medical Research (DE)
Corresponding author
Helmchen, Fritjof
Venue
Nature Neuroscience
Published
2012-10-21
Volume
15
Issue
11
Pages
1539-1546
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2029261862
Cited by
203
References
5
Citations by year
2026: 5 · 2025: 11 · 2024: 17 · 2023: 10 · 2022: 17 · 2021: 14 · 2020: 16 · 2019: 12 · 2018: 16 · 2017: 12 · 2016: 13 · 2015: 18 · 2014: 17 · 2013: 24 · 2012: 1
FWCI
9.19
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
  • GRO (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
  • Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, other-oa)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
National Institutes of Health
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
sensory deprivation, barrel cortex, whisker trimming, population activity, layer 2/3 neurons, experience-dependent plasticity, silent neurons, neural recruitment, sensory maps, two-photon calcium imaging
MeSH terms
Action Potentials, Animals, Brain Mapping, Calcium, Cerebral Cortex, Computer Simulation, Female, Gene Expression Regulation, Luminescent Proteins, Male, Mice, Inbred C57BL, Models, Biological, Neurons, Physical Stimulation, Sensory Deprivation, Time Factors, Transduction, Genetic, Vibrissae, Synapsins, Neuropil, Mice, Optics and Photonics

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