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Long-range cortical dynamics: a perspective from the mouse sensorimotor whisker system.

Jianguang Ni1,2, Jerry L Chen1

  • 1Department of Biology, Boston University, Boston, MA, 02215, USA.

The European Journal of Neuroscience
|September 19, 2017
PubMed
Summary

Understanding long-range cortical circuits is key for cognitive function. This review uses the mouse whisker system to explore how these circuits process information, offering insights into broader rules of cortical communication.

Keywords:
cortical circuitrymouse behaviorsensorimotor integrationwhisker/barrel cortex

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Area of Science:

  • Neuroscience
  • Systems Neuroscience

Background:

  • The mammalian neocortex relies on dynamic information exchange between areas for cognitive functions like sensory processing and sensorimotor integration.
  • Long-range connections between cortical areas are crucial, but their precise function remains largely unknown.
  • The mouse sensorimotor whisker system provides a tractable model for studying these long-range circuits.

Purpose of the Study:

  • To review recent research on long-range cortical circuits within the mouse whisker system.
  • To elucidate the operational principles governing long-range cortical circuit function.
  • To use the whisker system as a model for understanding general rules of cortical connectivity.

Main Methods:

  • Analysis of recent studies focusing on the mouse sensorimotor whisker system.
  • Dissection of long-range circuits involved in whisker-related sensory and motor processing.
  • Review of experimental and theoretical approaches to understanding cortical circuit dynamics.

Main Results:

  • Recent work has begun to reveal the specific roles of long-range connections in sensorimotor processing.
  • The mouse whisker system demonstrates how distinct cortical areas coordinate information flow.
  • Understanding these specific circuits can inform general principles of cortical computation.

Conclusions:

  • The mouse whisker system serves as a powerful model for investigating long-range cortical circuit function.
  • Dissecting these circuits is essential for understanding the neural basis of cognition.
  • Further research into long-range cortical connectivity will advance our knowledge of brain function.