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The Dynamic Brain: An Exploration of Neuronal Variability and Its Functional Significance

The Dynamic Brain: An Exploration of Neuronal Variability and Its Functional Significance

Hardcover

Medical Reference

ISBN10: 0195393791
ISBN13: 9780195393798
Publisher: Oxford University Press
Published: Jan 18 2011
Pages: 392
Weight: 2.02
Height: 1.00 Width: 6.30 Depth: 9.30
Language: English
It is a well-known fact of neurophysiology that neuronal responses to identically presented stimuli are extremely variable. This variability has in the past often been regarded as noise. At the single neuron level, interspike interval (ISI) histograms constructed during either spontaneous or stimulus evoked activity reveal a Poisson type distribution. These observations have been taken as evidence that neurons are intrinsically noisy in their firing properties. In fact, the use of averaging techniques, like post-stimulus time histograms (PSTH) or event-related potentials (ERPs) have largely been justified based on the presence of what was believed to be noise in the neuronal responses.

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Medical Reference