The Bayesian brain: the role of uncertainty in neural coding and computation.

@article{citeulike:93508, abstract = {To use sensory information efficiently to make judgments and guide action in the world, the brain must represent and use information about uncertainty in its computations for perception and action. Bayesian methods have proven successful in building computational theories for perception and sensorimotor control, and psychophysics is providing a growing body of evidence that human perceptual computations are "Bayes' optimal". This leads to the "Bayesian coding hypothesis": that the brain represents sensory information probabilistically, in the form of probability distributions. Several computational schemes have recently been proposed for how this might be achieved in populations of neurons. Neurophysiological data on the hypothesis, however, is almost non-existent. A major challenge for neuroscientists is to test these ideas experimentally, and so determine whether and how neurons code information about sensory uncertainty.}, address = {Center for Visual Science and the Department of Brain and Cognitive Science, University of Rochester, NY 14627, USA. knill@cvs.rochester.edu}, author = {Knill, D. C. and Pouget, A. }, citeulike-article-id = {93508}, doi = {10.1016/j.tins.2004.10.007}, issn = {0166-2236}, journal = {Trends Neurosci}, keywords = {bayesian, population-codes}, month = {December}, number = {12}, pages = {712--719}, posted-at = {2008-05-12 22:45:36}, priority = {0}, title = {The Bayesian brain: the role of uncertainty in neural coding and computation.}, url = {http://dx.doi.org/10.1016/j.tins.2004.10.007}, volume = {27}, year = {2004} }

TY - JOUR ID - citeulike:93508 L3 - citeulike-article-id:93508 TI - The Bayesian brain: the role of uncertainty in neural coding and computation. JF - Trends Neurosci VL - 27 IS - 12 SP - 712 EP - 719 AD - Center for Visual Science and the Department of Brain and Cognitive Science, University of Rochester, NY 14627, USA. knill@cvs.rochester.edu SN - 0166-2236 N2 - To use sensory information efficiently to make judgments and guide action in the world, the brain must represent and use information about uncertainty in its computations for perception and action. Bayesian methods have proven successful in building computational theories for perception and sensorimotor control, and psychophysics is providing a growing body of evidence that human perceptual computations are "Bayes' optimal". This leads to the "Bayesian coding hypothesis": that the brain represents sensory information probabilistically, in the form of probability distributions. Several computational schemes have recently been proposed for how this might be achieved in populations of neurons. Neurophysiological data on the hypothesis, however, is almost non-existent. A major challenge for neuroscientists is to test these ideas experimentally, and so determine whether and how neurons code information about sensory uncertainty. KW - bayesian KW - population-codes AU - Knill, DC AU - Pouget, A PY - 2004/12// UR - http://dx.doi.org/10.1016/j.tins.2004.10.007 ER -