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Synaptic transmission: functional autapses in the cortex.

John M Bekkers1

  • 1Division of Neuroscience, John Curtin School of Medical Research, Australian National University, Canberra, ACT 0200, Australia.

Current Biology : CB
|June 5, 2003
PubMed
Summary
This summary is machine-generated.

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Researchers have identified functional autapses, which are neuron connections to themselves, in the cerebral cortex. This study provides new insights into the physiological roles of these self-synapsing neurons.

Area of Science:

  • Neuroscience
  • Cellular Biology

Background:

  • Autapses, or neuron-to-itself synapses, have been observed anatomically.
  • The precise physiological function of autapses has remained largely undetermined.

Purpose of the Study:

  • To investigate the functional significance of autapses in the cerebral cortex.
  • To elucidate the physiological roles of neuronal self-connectivity.

Main Methods:

  • Electrophysiological recordings in the cerebral cortex.
  • Analysis of synaptic transmission properties of autapses.

Main Results:

  • Demonstration of functional autapses in the cerebral cortex.
  • Characterization of the physiological impact of autaptic activity on neuronal function.

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Conclusions:

  • Autapses play a discernible role in cortical neuronal function.
  • The findings offer a basis for understanding the contribution of neuronal self-regulation to brain activity.