Fear memories are crucial for survival. However, excessive generalization of such memories, characterized by a failure to discriminate dangerous from safe stimuli, is common in anxiety disorders. We identified distinct neuronal ...
Dec 1, 2014
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The effectiveness of post-traumatic stress disorder (PTSD) treatment may hinge significantly upon sleep quality, report researchers at the University of California, San Diego School of Medicine and Veterans Affairs San Diego ...
Aug 27, 2014
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Nature is thrifty. The same signals that embryonic cells use to decide whether to become nerves, skin or bone come into play again when adult animals are learning whether to become afraid.
Aug 7, 2014
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Scientists at Yerkes National Primate Research Center, Emory University have identified a drug that appears to make memories of fearsome events less durable in mice.
Jun 30, 2014
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We are all familiar with that uncomfortable feeling in our stomach when faced with a threatening situation. By studying rats, researchers at ETH Zurich have been able to prove for the first time that our 'gut instinct' has ...
May 22, 2014
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(Medical Xpress)—For many people, fear of flying or of spiders skittering across the lounge room floor is more than just a momentary increase in heart rate and a pair of sweaty palms.
Apr 28, 2014
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Understanding and properly studying fear is partly a matter of correctly defining fear itself, New York University neuroscientist Joseph LeDoux writes in a new essay published in Proceedings of the National Academy of Sciences. ...
Feb 4, 2014
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(Medical Xpress)—In a new paper published in the current issue of Neuron, Harvard Medical School researchers at McLean Hospital report that increased activity in the medial prefrontal cortex of the brain is linked to decreased ...
Dec 4, 2013
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(Medical Xpress)—Two new studies suggest that events that transpire during the life of a mouse may have an impact on memory mechanics in their offspring. Both studies were conducted by teams in the U.S. and both have had ...
(Medical Xpress)—What do bullies and sex have in common? Based on work by scientists at the European Molecular Biology Laboratory (EMBL) in Monterotondo, Italy, it seems that the same part of the brain reacts to both. In ...
Nov 11, 2013
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