News tagged with brain chemical

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

Brain parasite directly alters brain chemistry

A research group from the University of Leeds has shown that infection by the brain parasite Toxoplasma gondii, found in 10-20 per cent of the UK's population, directly affects the production of dopamine, a key chemical messen ...

Nov 04, 2011
popularity 5 / 5 (11) | comments 3 | 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

A new role for sodium in the brain

Researchers at McGill University have found that sodium – the main chemical component in table salt – is a unique "on/off" switch for a major neurotransmitter receptor in the brain. This receptor, known ...

Aug 20, 2013
popularity 4.2 / 5 (9) | comments 0 | with audio podcast

Everyone 'is now polluted'

Virtually every human being on Earth can now be considered physiologically and biochemically polluted by human-made chemicals, a leading medical doctor will tell CleanUp 2013 in Melbourne today.

Sep 16, 2013
popularity 4.8 / 5 (8) | comments 0