News tagged with dopamine levels

Delving deep into the brain

Launched in 2013, the national BRAIN Initiative aims to revolutionize our understanding of cognition by mapping the activity of every neuron in the human brain, revealing how brain circuits interact to create ...

May 01, 2014
popularity 4.8 / 5 (13) | comments 0

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

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

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

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

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

Happiness lowers blood pressure, study says

(Medical Xpress)—A synthetic gene module controlled by the happiness hormone dopamine produces an agent that lowers blood pressure. This opens up new avenues for therapies that are remote-controlled via ...

Oct 15, 2013
popularity not rated yet | comments 0

Seeking the causes of hyperactivity

The 60 trillion cells that comprise our bodies communicate constantly. Information travels when chemical compounds released by some cells are received by receptors in the membrane of another cell. In a paper ...

Apr 25, 2014
popularity 4 / 5 (3) | comments 0

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