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Emotion and Decision-making Explained$
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Edmund T. Rolls

Print publication date: 2013

Print ISBN-13: 9780199659890

Published to Oxford Scholarship Online: January 2014

DOI: 10.1093/acprof:oso/9780199659890.001.0001

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Decision-making mechanisms

Decision-making mechanisms

(p.368) 8 Decision-making mechanisms
Emotion and Decision-making Explained

Edmund T. Rolls

Oxford University Press

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

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