Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

Gamma-aminobutyric acid (GABA) is a major inhibitory neurotransmitter in the cortex. Activation of postsynaptic GABA A receptors hyperpolarizes cells and inhibits neuronal activity. Synaptic responses mediated by GABA A receptors also strongly excited hippocampal neurons. This excitatory response was recorded in morphologically identified interneurons in the presence of 4-aminopyridine or after elevation of extracellular potassium concentrations. The synaptic excitation sustained by GABA A receptors synchronized the activity of inhibitory interneurons. This synchronized discharge of interneurons in turn elicited large-amplitude inhibitory postsynaptic potentials in pyramidal and granule cells. Excitatory synaptic responses mediated by GABA A receptors may thus provide a mechanism for the recruitment of GABAergic interneurons through their recurrent connections.

Bibliography

Michelson, H. B., & Wong, R. K. S. (1991). Excitatory Synaptic Responses Mediated by GABA A Receptors in the Hippocampus. Science, 253(5026), 1420–1423.

Authors 2
  1. Hillary B. Michelson (first)
  2. Robert K. S. Wong (additional)
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Dates
Type When
Created 18 years, 10 months ago (Oct. 5, 2006, 6:10 p.m.)
Deposited 1 year, 7 months ago (Jan. 11, 2024, 11:30 a.m.)
Indexed 1 year, 2 months ago (June 22, 2024, 3:52 p.m.)
Issued 33 years, 11 months ago (Sept. 20, 1991)
Published 33 years, 11 months ago (Sept. 20, 1991)
Published Print 33 years, 11 months ago (Sept. 20, 1991)
Funders 0

None

@article{Michelson_1991, title={Excitatory Synaptic Responses Mediated by GABA A Receptors in the Hippocampus}, volume={253}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1654594}, DOI={10.1126/science.1654594}, number={5026}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Michelson, Hillary B. and Wong, Robert K. S.}, year={1991}, month=sep, pages={1420–1423} }