Imagine a herd of deer grazing in the forest. Suddenly, a twig snaps nearby, and they look up from the grass. The thought of food is forgotten, and the animals are primed to respond to any threat that might appear.
Nov 8, 2018
0
74
How does our nervous system motivate us to get off the sofa and walk to the fridge, or even to the supermarket, to get food? A research team led by Alexander Gottschalk from Goethe University investigated this using the threadworm ...
Nov 5, 2018
0
2
For the first time, scientists have been able to image brain activity when people change their short-term beliefs, and to relate this brain activity to dopamine function in humans. UK scientists monitored brain activity when ...
Oct 10, 2018
2
1639
Dopamine, a signaling molecule used throughout the brain, plays a major role in regulating our mood, as well as controlling movement. Many disorders, including Parkinson's disease, depression, and schizophrenia, are linked ...
Sep 12, 2018
0
138
The HIV virus, which causes AIDS, has long been known to target and disable cells of the immune system, which are responsible for fighting off invading microorganisms and for suppressing malignant cancers. More recently, ...
May 23, 2018
0
11
Dopamine, a signaling chemical in the brain, has the lofty job of controlling emotions, moods, movements as well as sensations of pleasure and pain. Dysfunction of this critical neurotransmitter is the cause of a number of ...
Apr 4, 2018
0
150
Studied for decades for its critical role in movement control and reward-seeking behaviors, the neurotransmitter dopamine has been the focus of numerous efforts to understand its activity, particularly when it goes awry in ...
Feb 1, 2018
0
58
Drug addiction may not require a habitual relationship with a substance, suggests findings from a new model of cocaine administration in rats that better captures the human experience of obtaining and using drugs. The research, ...
Nov 20, 2017
0
1
Researchers at the University of Pittsburgh have uncovered the mechanism by which neurons keep up with the demands of repeatedly sending signals to other neurons. The new findings, made in fruit flies and mice, challenge ...
Aug 17, 2017
1
326
A new study of obese people suggests that changes in their brains' reward regions make them more prone to overeating, and that women and men exhibit different brain activity related to overeating.
May 19, 2017
0
1
