Dopamine promotes instrumental motivation, but reduces reward-related vigour
نویسندگان
چکیده
منابع مشابه
Instrumental vigour in punishment and reward.
Recent notions about the vigour of responding in operant conditioning suggest that the long-run average rate of reward should control the alacrity of action in cases in which the actual cost of speed is balanced against the opportunity cost of sloth. The average reward rate is suggested as being reported by tonic activity in the dopamine system and thereby influencing all actions, including one...
متن کاملDopamine Signaling in reward-related behaviors
Dopamine (DA) regulates emotional and motivational behavior through the mesolimbic dopaminergic pathway. Changes in DA mesolimbic neurotransmission have been found to modify behavioral responses to various environmental stimuli associated with reward behaviors. Psychostimulants, drugs of abuse, and natural reward such as food can cause substantial synaptic modifications to the mesolimbic DA sys...
متن کاملInstrumental Motivation is Extrinsic Motivation : So What ? ? ?
The present anticipation of future goals creates instrumental motivation for immediate actions that are expected to be instrumental for achieving those future goals. Instrumental motivation is however by definition extrinsic motivation. Based on empirical research in educational settings, it is commonly argued that extrinsic motivation is of lower quality than intrinsic motivation. More recent ...
متن کاملDopamine Agonist Increases Risk Taking but Blunts Reward-Related Brain Activity
The use of D2/D3 dopaminergic agonists in Parkinson's disease (PD) may lead to pathological gambling. In a placebo-controlled double-blind study in healthy volunteers, we observed riskier choices in a lottery task after administration of the D3 receptor-preferring agonist pramipexole thus mimicking risk-taking behavior in PD. Moreover, we demonstrate decreased activation in the rostral basal ga...
متن کاملPain reduces sexual motivation in female but not male mice.
Chronic pain is often associated with sexual dysfunction, suggesting that pain can reduce libido. We find that inflammatory pain reduces sexual motivation, measured via mounting behavior and/or proximity in a paced mating paradigm, in female but not male laboratory mice. Pain was produced by injection of inflammogens zymosan A (0.5 mg/ml) or λ-carrageenan (2%) into genital or nongenital (hind p...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: eLife
سال: 2020
ISSN: 2050-084X
DOI: 10.7554/elife.58321