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Mood-elevating effects of d-amphetamine and incentive salience: the effect of acute dopamine precursor depletion

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Observational analysis shows that dopamine depletion does not alter d-amphetamine effects, suggesting unique impacts on reward responses.

Dopamine depletion did not modify the euphoric effects of d-amphetamine in healthy men, indicating nuanced roles of dopamine.
The Go/No-Go task revealed increased commission errors during APTD conditions, which were reversed with l-DOPA administration.
Responses were measured using visual analog scales, mood profiles, and task assessments to gauge behavioral changes.
Results highlight that dopamine is linked to reward salience rather than the euphorogenic effects from stimulant drugs.

Leyton et al. (2007) studied this question.

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