Competitive Hebbian learning through spike-timing-dependent synaptic plasticity.

by: S Song, KD Miller, LF Abbott

Nat Neurosci, Vol. 3, No. 9. (September 2000), pp. 919-926.

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Abstract

Hebbian models of development and learning require both activity-dependent synaptic plasticity and a mechanism that induces competition between different synapses. One form of experimentally observed long-term synaptic plasticity, which we call spike-timing-dependent plasticity (STDP), depends on the relative timing of pre- and postsynaptic action potentials. In modeling studies, we find that this form of synaptic modification can automatically balance synaptic strengths to make postsynaptic firing irregular but more sensitive to presynaptic spike timing. It has been argued that neurons in vivo operate in such a balanced regime. Synapses modifiable by STDP compete for control of the timing of postsynaptic action potentials. Inputs that fire the postsynaptic neuron with short latency or that act in correlated groups are able to compete most successfully and develop strong synapses, while synapses of longer-latency or less-effective inputs are weakened.

@article{citeulike:548135, abstract = {Hebbian models of development and learning require both activity-dependent synaptic plasticity and a mechanism that induces competition between different synapses. One form of experimentally observed long-term synaptic plasticity, which we call spike-timing-dependent plasticity (STDP), depends on the relative timing of pre- and postsynaptic action potentials. In modeling studies, we find that this form of synaptic modification can automatically balance synaptic strengths to make postsynaptic firing irregular but more sensitive to presynaptic spike timing. It has been argued that neurons in vivo operate in such a balanced regime. Synapses modifiable by STDP compete for control of the timing of postsynaptic action potentials. Inputs that fire the postsynaptic neuron with short latency or that act in correlated groups are able to compete most successfully and develop strong synapses, while synapses of longer-latency or less-effective inputs are weakened.}, address = {Volen Center for Complex Systems and Department of Biology, Brandeis University, Waltham, Massachusetts 02254-9110, USA.}, author = {Song, S. and Miller, K. D. and Abbott, L. F. }, citeulike-article-id = {548135}, doi = {10.1038/78829}, issn = {1097-6256}, journal = {Nat Neurosci}, keywords = {stdp}, month = {September}, number = {9}, pages = {919--926}, posted-at = {2008-04-29 00:02:49}, priority = {2}, title = {Competitive Hebbian learning through spike-timing-dependent synaptic plasticity.}, url = {http://dx.doi.org/10.1038/78829}, volume = {3}, year = {2000} }

RIS record

TY - JOUR ID - citeulike:548135 L3 - citeulike-article-id:548135 TI - Competitive Hebbian learning through spike-timing-dependent synaptic plasticity. JF - Nat Neurosci VL - 3 IS - 9 SP - 919 EP - 926 AD - Volen Center for Complex Systems and Department of Biology, Brandeis University, Waltham, Massachusetts 02254-9110, USA. SN - 1097-6256 N2 - Hebbian models of development and learning require both activity-dependent synaptic plasticity and a mechanism that induces competition between different synapses. One form of experimentally observed long-term synaptic plasticity, which we call spike-timing-dependent plasticity (STDP), depends on the relative timing of pre- and postsynaptic action potentials. In modeling studies, we find that this form of synaptic modification can automatically balance synaptic strengths to make postsynaptic firing irregular but more sensitive to presynaptic spike timing. It has been argued that neurons in vivo operate in such a balanced regime. Synapses modifiable by STDP compete for control of the timing of postsynaptic action potentials. Inputs that fire the postsynaptic neuron with short latency or that act in correlated groups are able to compete most successfully and develop strong synapses, while synapses of longer-latency or less-effective inputs are weakened. KW - stdp AU - Song, S AU - Miller, KD AU - Abbott, LF PY - 2000/09// UR - http://dx.doi.org/10.1038/78829 ER -

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