Encyclopedia of Computational Neuroscience

Living Edition
| Editors: Dieter Jaeger, Ranu Jung

Facilitation, Biophysical Models

  • Victor MatveevEmail author
Living reference work entry
DOI: https://doi.org/10.1007/978-1-4614-7320-6_347-2

Synonyms

Definition

Facilitation is a temporary increase in postsynaptic response to a presynaptic action potential or depolarization induced by a preceding presynaptic depolarization. It is distinguished from longer-term components of activity-dependent synaptic enhancement by its low activation threshold (a pair of action potentials is often sufficient, hence the term paired-pulsefacilitation) and short persistence time: in most cases, facilitated response decays back to initial amplitude within less than a second after the stimulus train. Facilitation is very common in central and peripheral synapses of both vertebrate and invertebrate nervous systems; it is readily observed under conditions of low initial vesicle release probability, but is often occluded by synaptic depression when the initial vesicle release probability is sufficiently high....

Keywords

Biophysical Model Synaptic Response Synaptic Depression Neuronal Calcium Sensor Immobile Buffer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Department of Mathematical SciencesNew Jersey Institute of TechnologyNewarkUSA