| Systems Neuroscience |
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MAJOR TOPICS Systems neuroscience relies on precise, experimental recording methods such as Single Unit Recording , Calcium Imaging and Psychophysics analysis, which are used to pinpoint the reaction of the nervous system in response to external stimulus. Vision Systems level analysis in neuroscience has been most extensively carried out in the visual system, which began with work of Torsten Wiesel and David Hubel in characterizing, with single neuron Electrophysiology , the properties Simple Cells in the Primary Visual Cortex . Research has been intensive in characterizing the receptive field properties of various brain regions involved in visual processing. Audition Olfaction Somatosensation Motor generation Higher Executive Functions Around 2006, Michael Shadlen and his lab used single-neuron recordings to examine how primates make decisions based on noisy evidence. They found that some neurons seem to tally up evidence in a manner much like one would work with log Likelihood , and fire when a threshold is met. That is, they seem to perform Bayesian Inference and trigger when the probability of a hidden state given the evidence is high. {Link without Title} SEE ALSO
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