U.S. study finds fear on-off switch in brain
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U.S. researchers said on Wednesday   they had identified an "on-off" switch in the brain that   controls the emotional response to fear, and said it might some   day be manipulated to help patients with anxiety disorders.
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Scientists have uncovered clues about how the brain imitates the actions of others.
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Stimulating a certain area of the brain   can produce a creepy feeling that someone is watching you when   no one is, scientists said on Wednesday.
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Coming face-to-face with someone who looks scared triggers an automatic response in the brain that tells you to be afraid too, US researchers suggest.
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Teens who play violent video games show  increased activity in areas of the brain linked to emotional  arousal and decreased responses in regions that govern  self-control, a study released on Tuesday found.
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Ever wonder why fear-mongering seems to work so well at the pollsâwhile appeals to reason often leave the electorate cold? A new book applies neuroscience to politics to figure out why the Democrats struggle to push the buttons in voters' brains.
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WEDNESDAY, Feb. 9 (HealthDay News) -- A gene that's normally switched off after fulfilling its role in brain development appears linked to a common childhood brain cancer, says a study in the Feb. 1 issue of Cancer Research.
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Brain scans reveal how the brain gets "tired and over-emotional" when someone is deprived of sleep.
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Dr. Amy FT Arnsten of Yale Medical School says stressful situations activate an enzyme in the brain called protein kinase C, which impairs the short-term memory and other functions in the prefrontal cortex, the executive-decision part of the brain.
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Differences in the brain may increase the chances a person will take drugs, scientists say.
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Stress can produce an enzyme that interferes with short-term memory and other higher brain functions, according to an article in Science.
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An Israeli study suggests a link between experiencing an angry or frustrating moment and an immediate risk of stroke. But several US stroke experts said the study has shortcomings.
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Oct. 28, 2004 -- A stress-activated molecule underlies many of the symptoms of some mental illnesses, a new study shows. We control our behaviors, thoughts, and emotions via an important part of the brain: the prefrontal cortex.
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The areas of the brain involved in learning fears have been known, but new research now identifies the areas involved in extinguishing those fears.
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The same structure of the brain that makes people fearful is also critical in helping overcome fears, researchers have found in a study that may help guide new treatments of some mental illnesses.
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One socially crushing moment -- think schoolyard bullies -- can challenge the survival of new nerve cells in the brain and may even lead to depression, U.S. researchers said Tuesday.
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Researchers have found a 'bottleneck' in the brain that appears to explain why we struggle to do two things at once.