Exposure to complex environments results in more sparse representations of space in the hippocampus
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Summary
It is shown that prolonged CE exposure was associated with increased selectivity of CA1 “place cells” to a particular recording arena compared to a social control group, and fewer CA1 and DG neurons in the CE group expressed high levels of Arc protein, a marker of recent activation, following brief exposure to a completely novel environment.
- Type
- article
- Published
- 2017-07-21
- Cited by
- 20
- References
- 77
- Access
- Open access
- OpenAlex
- https://openalex.org/W2728960587
- Semantic Scholar
- https://api.semanticscholar.org/CorpusID:987280
Keywords
Neural coding, Neuroscience, Arc (geometry), Psychology, Hippocampus
References
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- Long-Term Effects of Permanent Vestibular Lesions on Hippocampal Spatial Firing
- Experience-Dependent Coincident Expression of the Effector Immediate-Early Genes Arc and Homer 1a in Hippocampal and Neocortical Neuronal Networks
- Dynamics of the hippocampal ensemble code for space.
- Theta phase precession in hippocampal neuronal populations and the compression of temporal sequences
- Multiple representations in the hippocampus
- Postnatal development of the visual cortex and the influence of environment
- Dendrites
- Plasticity of ocular dominance columns in monkey striate cortex.
- Conjoint Control of Hippocampal Place Cell Firing by Two Visual Stimuli
- Physiological effects of enriched environment exposure and LTP induction in the hippocampus in vivo do not transfer faithfully to in vitro slices.
- Rearing on Hind Legs, Environmental Novelty, and the Hippocampal Formation
- Replay of Neuronal Firing Sequences in Rat Hippocampus During Sleep Following Spatial Experience
- Network dynamics underlying the formation of sparse, informative representations in the hippocampus
Cited by
- Environmental enrichment effects on synaptic and cellular physiology of hippocampal neurons
- Environmental enrichment, new neurons and the neurobiology of individuality
- Enriched Environment Procedures for Rodents: Creating a Standardized Protocol for Diverse Enrichment to Improve Consistency across Research Studies.
- Neurophysiological and molecular approaches to understanding the mechanisms of learning and memory
- Virtual reality video game improves high-fidelity memory in older adults
- Hippocampal subfield‐specific Homer1a expression is triggered by learning‐facilitated long‐term potentiation and long‐term depression at medial perforant path synapses
- Enriched Environment Modulates Sharp Wave-Ripple (SPW-R) Activity in Hippocampal Slices
- Mechanisms for Cognitive Impairment in Epilepsy: Moving Beyond Seizures
- The nonclassical MHC class I Qa-1 expressed in layer 6 neurons regulates activity-dependent plasticity via microglial CD94/NKG2 in the cortex
- Leveraging technology to personalize cognitive enhancement methods in aging
- Moderate effect of early-life experience on dentate gyrus function
- Restoring Age-Related Cognitive Decline through Environmental Enrichment: A Transcriptomic Approach
- Increased flexibility of CA3 memory representations following environmental enrichment
- Bridging Neuroscience and AI: Environmental Enrichment as a model for forward knowledge transfer in continual learning
- Short-Term Preexposure to Novel Enriched Environment Augments Hippocampal Ripples in Urethane-Anesthetized Mice.
- Sparsity of Population Activity in the Hippocampus Is Task‐Invariant Across the Trisynaptic Circuit and Dorsoventral Axis
- Cognitive enrichment improves spatial memory and alters hippocampal synaptic connectivity in a mouse model for early-life stress
- Enriched experience increases reciprocal synaptic connectivity and coding sparsity in higher-order cortex
- Cognitive enrichment improves spatial memory and alters hippocampal synaptic connectivity in a mouse model for early-life stress
- Sparsity of population activity in the hippocampus is task-invariant across the trisynaptic circuit and dorsoventral axis
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