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Related Concept Videos

Somatosensation01:33

Somatosensation

36.8K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
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Association Areas of the Cortex01:21

Association Areas of the Cortex

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Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
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Related Experiment Video

Updated: Aug 1, 2025

Translational Brain Mapping at the University of Rochester Medical Center: Preserving the Mind Through Personalized Brain Mapping
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Pattern Completion and Rate Remapping in Retrosplenial Cortex.

Zaneta Navratilova1, Dhruba Banerjee1, Fjolla Muqolli1

  • 1University of California-Irvine.

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|April 24, 2023
PubMed
Summary
This summary is machine-generated.

The retrosplenial cortex (RSC) and hippocampus (CA1) show similar memory and remapping properties. These findings suggest that cortical networks effectively store and update memories, supporting overall cognitive function.

Keywords:
CA1Global remappingHippocampal-cortical interactionsMemory index theoryPlace cells

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Systems Neuroscience

Background:

  • Understanding memory encoding, storage, and updating in cortical networks remains a significant challenge.
  • Retrosplenial cortex (RSC) neurons exhibit position-correlated activity (PCCs) during navigation, which depend on the hippocampus.
  • It is unclear if RSC PCCs exhibit pattern completion and remapping, similar to hippocampal cells.

Conclusions:

  • Memory and remapping properties are conserved between the retrosplenial cortex (RSC) and the hippocampus (CA1).
  • These findings suggest that functional properties related to memory are transmitted from the hippocampus to the cortex.
  • The retrosplenial cortex plays a crucial role in supporting memory functions through conserved hippocampal-like properties.