Chapter

Decision-making mechanisms

Edmund T. Rolls

in Emotion and Decision-making Explained

Published in print October 2013 | ISBN: 9780199659890
Published online January 2014 | e-ISBN: 9780191772078 | DOI: https://dx.doi.org/10.1093/acprof:oso/9780199659890.003.0008
Decision-making mechanisms

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The brain mechanisms involved in reward-related and other decision–making in the brain are described. The attractor network mechanism described has randomness or noise that makes the decision-making probabilistic. The same stochastic dynamics model provides a unifying account too of long-term and short–term memory. Many advantages of this probabilistic mechanism of decision-making and memory operation are described, as are disorders of such systems including neuropsychiatric disorders such as schizophrenia and obsessive–compulsive disorder.

Keywords: decision-making; attractor network; confidence in decisions; schizophrenia; obsessive–compulsive disorder

Chapter.  48038 words.  Illustrated.

Subjects: Neuroscience

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