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Membrane potential changes in dendritic spines during APs and synaptic input (Palmer & Stuart 2009)
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" ... Finally, we used simulations of our experimental observations in morphologically realistic models to estimate spine neck resistance. These simulations indicated that spine neck resistance ranges up to ~500 M Ohm. Spine neck resistances of this magnitude reduce somatic EPSPs by ~15%, indicating that the spine neck is unlikely to act as a physical device to significantly modify synaptic strength."
Palmer LM, Stuart GJ (2009) Membrane potential changes in dendritic spines during action potentials and synaptic input.
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Neuron or other electrically excitable cell;
Influence of Dendritic Geometry;
Morse, Tom [Tom.Morse at Yale.edu];
Stuart, Greg J. [greg.stuart at anu.edu.au];
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