Dopamine: Go/no-go motivation versus switching

Behavioral and Brain Sciences 22 (3):532-533 (1999)
Sensitivity to incentive motivation has a formative influence on extraversion. Mesoamygdaloid dopamine (DA) activity may, at one level, act as a micro-gate permitting an incentive to influence behavioral organization – “Go/No-Go” in this scheme. Data on function elsewhere in the mesocorticolimbic DA system are taken to support this particular function. At another level of analysis, the data in Depue & Collins's review, along with those on the rest of the ventral tegmental area (VTA) system, may fit better with a “switching” function in information processing. This link is supported by correlations between measures of extraversion, learned inattention, and overall DA activity. The point is extended to the novelty-seeking feature of the extraverted personality.
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DOI 10.1017/S0140525X99372046
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Alan H. Bond & Michael Raleigh (1999). The Integration of Motivation. Behavioral and Brain Sciences 22 (3):518-519.
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Don M. Tucker (1999). Dopamine Tightens, Not Loosens. Behavioral and Brain Sciences 22 (3):537-538.

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