[Comp-neuro] What is the precision of synaptic plasticity?
terry at salk.edu
Thu Mar 12 04:44:13 CET 2015
Hippocampal Spine Head Sizes are Highly Precise
Thomas M Bartol, Cailey Bromer, Justin P Kinney,
Michael A Chirillo, Jennifer N Bourne, Kristen M Harris,
Terrence J Sejnowski
The size of an EPSP is highly correlated with the
the spine head volume for excitatory synapses
on pyramidal cells. Spine heads on a dendrite
originating from the same axon had the same volume,
regardless of whether they were large or small.
This has implications for the precision of the
mechanisms underlying synaptic plasticity.
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