News tagged with dopamine levels

Dopamine not about pleasure (anymore)

(Medical Xpress)—To John Salamone, professor of psychology and longtime researcher of the brain chemical dopamine, scientific research can be very slow-moving.

Dec 03, 2012
popularity 4.9 / 5 (14) | comments 1 | with audio podcast

Who learns from the carrot, and who from the stick?

To flexibly deal with our ever-changing world, we need to learn from both the negative and positive consequences of our behaviour. In other words, from punishment and reward. Hanneke den Ouden from the Donders Institute in ...

Nov 22, 2013
popularity 4.2 / 5 (11) | comments 0 | with audio podcast

The brain cannot be fooled by artificial sweeteners

Eating low-calorie sweetened products—especially when hungry or exhausted—may lead to a higher likelihood of seeking high calorie alternatives later, due to a newly discovered signal in the brain, suggests new research ...

Sep 22, 2013
popularity 3.8 / 5 (5) | comments 0

Couch potato? It could be genetic

(Medical Xpress)—Scientists in China and Aberdeen have made a key discovery which could explain why some people are 'couch potatoes'.

Feb 14, 2014
popularity 4 / 5 (4) | comments 0

How do ADHD medications work?

There is a swirling controversy regarding the suspicion that medications prescribed for the treatment of ADHD (attention-deficit/hyperactivity disorder) primarily act to control disruptive behavior as opposed to having primary ...

Oct 16, 2013
popularity 5 / 5 (2) | comments 1

Gel reduced daily tremors in Parkinson's disease

(Medical Xpress)—An experimental treatment for Parkinson's disease reduced by nearly two hours on average the period each day when medication failed to control patients' slowness and shaking, according to results from a ...

Jan 06, 2014
popularity 5 / 5 (1) | comments 0 | with audio podcast