Relating Neural Dynamics to Neural Coding

Details Relating Neural Dynamics to Neural Coding Relating Neural Dynamics to Neural Coding

2007-07-02

arxiv.org/abs/0707.0245v2

Biology

Quantitative Biology

Neurons and Cognition

10 pages, 3 figures

Scientific paper

We demonstrate that two key theoretical objects used widely in Computational Neuroscience, the phase-resetting curve (PRC) from dynamics and the spike triggered average (STA) from statistical analysis, are closely related under a wide range of stimulus conditions. We prove that the STA is proportional to the derivative of the PRC. We compare these analytic results to numerical calculations for the Hodgkin-Huxley neuron and we apply the method to neurons in the olfactory bulb of mice. This observation allows us to relate the stimulus-response properties of a neuron to its dynamics, bridging the gap between dynamical and information theoretic approaches to understanding brain computations and facilitating the interpretation of changes in channels and other cellular properties as influencing the representation of stimuli.

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