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Science 9 April 1976:
Vol. 192. no. 4235, pp. 150 - 153
DOI: 10.1126/science.943847
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Articles

Science, Vol 192, Issue 4235, 150-153
Copyright © 1976 by American Association for the Advancement of Science

articles

Two functional effects of decreased conductance EPSP's: synaptic augmentation and increased electrotonic coupling

TJ Carew and ER Kandel

Three electronically coupled motor neurons, which mediate inking behavior in Aplysia californica, receive both increased and decreased conductance excitatory postsynaptic potentials (EPSP's). The increased conductance EPSP's reduce electrical coupling among the cells, whereas the decreased conductance EPSP's increase electrical coupling. The decreased conductance EPSP's also augment the action of a previously ineffective sensory input and this augmentation is enhanced by the increase in electrical coupling. Both effects combine to trigger a stereotypic behavioral response.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Neuropeptides, adenylyl cyclase, and memory storage.
E Kandel and T Abel (1995)
Science 268, 825-826
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Synaptic transmission: long-lasting potentiation by a postsynaptic mechanism.
J. Schulman and F. Weight (1976)
Science 194, 1437-1439
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Electrotonic coupling: effective sign reversal by inhibitory neurons.
M. Spira, D. Spray, and M. Bennett (1976)
Science 194, 1065-1067
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