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hypodopaminergic function influences learning and memory as well as delay gradients

Published online by Cambridge University Press:  07 September 2005

rosemary tannock
rosemary tannock
Affiliation:
brain and behavior research program, the hospital for sick children, toronto, ontario m5g 1x8, canada; and centre for advanced study at the norwegian academy of science and letters, oslo, [email protected]@cas.uio.no
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Abstract

the dynamic developmental theory of attention-deficit/hyperactivity disorder (adhd) proposes that hypodopaminergic functioning results in anomalous delay-of-reinforcement gradients in adhd, which in turn might account for many of the observed behavioral and cognitive characteristics. however, hyperdopaminergic functioning might also impair mnemonic representation of codes for spatial, motoric, and reward information and contribute to the purported shorter delay gradients in adhd.

Type
open peer commentary
Information
Behavioral and Brain Sciences , Volume 28 , Issue 3 , June 2005 , pp. 444 - 445
Copyright
© 2005 cambridge university press

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