Psychology & Psychiatry

Countering brain chemical could prevent suicides

(Medical Xpress)—Researchers have found the first proof that a chemical in the brain called glutamate is linked to suicidal behavior, offering new hope for efforts to prevent people from taking their own lives.

Neuroscience

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.

Medical research

Engineering a photo-switch for nerve cells in the eye and brain

(Medical Xpress)—Chemists and vision scientists at the University of Illinois at Chicago have designed a light-sensitive molecule that can stimulate a neural response in cells of the retina and brain—a possible first ...

Medical research

Brain's stem cells 'eavesdrop' to find out when to act

Working with mice, Johns Hopkins researchers say they have figured out how stem cells found in a part of the brain responsible for learning, memory and mood regulation decide to remain dormant or create new brain cells. Apparently, ...

Psychology & Psychiatry

Anti-depressant drugs enhance feelings of control in depression

It can take some time before anti-depressant drugs have an effect on people. Yet, the chemical changes that they cause in the brain happen quite rapidly. Understanding this paradox could enable us to create more effective ...

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