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  • Signaling
  • Despite their potential importance in neuronal function, direct experimental evidence on electrical signaling in dendritic spines is lacking as their small size makes them inaccessible to standard electrophysiological techniques. (jneurosci.org)
  • Critical
  • In this paper, we calculated the neural energy to estimate the range of critical values of thermal noise intensity that markedly affect the membrane potential and the energy waveform, in order to define such a noisy environment which neuronal activity relies on. (hindawi.com)
  • negative
  • When a postsynaptic neuron is at rest (not "firing"), its membrane is polar-ized, meaning the interior is slightly more negative than the exterior. (getbodysmart.com)
  • Becasue the ICF is relatively negative, Cl- ions are repelled and tend to concentrate outside of the membrane. (getbodysmart.com)