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.
Dec 3, 2012
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News tagged with brain chemical
Neuroscience
ADHD medicine affects the brain's reward system
(Medical Xpress)—A group of scientists from the University of Copenhagen has created a model that shows how some types of ADHD medicine influence the brain's reward system. The model makes it possible to understand the ...
Nov 9, 2012
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Alzheimer's disease & dementia
Study examines how Alzheimer's kills brain cells
(Medical Xpress)—Exactly how Alzheimer's disease kills brain cells is still somewhat of a mystery, but University of Michigan researchers have uncovered a clue that supports the idea that small proteins prick holes into ...
Oct 17, 2012
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Psychology & Psychiatry
Scientists identify compounds that could thwart post-traumatic stress disorder
A brain pathway that is stimulated by traumatic or fearful experiences can be disrupted by two compounds that show promise for preventing post-traumatic stress disorder, Indiana University researchers reported.
Oct 15, 2012
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Neuroscience
Metabolism in the brain fluctuates with circadian rhythm
(Medical Xpress)—The rhythm of life is driven by the cycles of day and night, and most organisms carry in their cells a common, (roughly) 24-hour beat. In animals, this rhythm emerges from a tiny brain structure called ...
Aug 28, 2012
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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, ...
Aug 6, 2012
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Neuroscience
Researchers find link between neuritin gene activity and stress induced depression
(Medical Xpress) -- Research teams from the US and Korea have together been studying depression and other mood disorders and have found that chronic stress can block a gene whose job it is to maintain healthy neuron connections ...
Medical research
New research finds powerful function of alpha 2 delta protein that controls neurotransmission
Scientists at Weill Cornell Medical College have discovered that the single protein -- alpha 2 delta -- exerts a spigot-like function, controlling the volume of neurotransmitters and other chemicals that flow between the ...
May 13, 2012
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Psychology & Psychiatry
Post-traumatic stress disorder genes identified: Findings could lead to targeted therapies
Why do some persons succumb to post-traumatic stress disorder (PTSD) while others who suffered the same ordeal do not? A new UCLA study may shed light on the answer.
Apr 2, 2012
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Autism spectrum disorders
Novel mouse model for autism yields clues to a 50-year-old mystery
Early disruptions in serotonin signaling in the brain may contribute to autism spectrum disorder (ASD), and other "enduring effects on behavior," Vanderbilt University researchers report.
Mar 20, 2012
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