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Search results for learned fear
Learned safety cheers depressed mice: An animal model of behavioral intervention for depression
Oct 08, 2008 |
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A new animal model has provided insight into the cellular and molecular mechanisms associated with behavioral therapy for depression. The study, published by Cell Press in the October 9th issue of Neuron, may provide a good ...
The genetics of fear: Study suggests specific genetic variations contribute to anxiety disorders
Medicine & Health / Psychology & Psychiatry
Mar 10, 2009 |
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Polymorphisms are variations in genes which can result in changes in the way a particular gene functions and thus may be associated with susceptibility to common diseases. In a new study in Psychological Science, a journa ...
Be afraid, be very afraid, if you learned to
Jan 24, 2007 |
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A new study on rats has identified a part of the brain's cortex that controls learned but not innate fear responses.
Safety Can be Learned - and Helps Combat Depression
Dec 15, 2008 |
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(PhysOrg.com) -- Learning a feeling of safety activates cellular and molecular processes that act against depression. This has been analysed using a new animal model that helps examine and explain the relevant ...
Protected fear memories
Medicine & Health / Psychology & Psychiatry
Sep 11, 2009 |
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(PhysOrg.com) -- In the latest issue of Science, researchers from the Friedrich Miescher Institute for Biomedical Research, Switzerland, show how a class of proteins surrounding nerve cells allows fear memories to persis ...
Study sheds light on brain's fear processing center
Nov 25, 2009 |
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Breathing carbon dioxide can trigger panic attacks, but the biological reason for this effect has not been understood. A new study by University of Iowa researchers shows that carbon dioxide increases brain acidity, which ...
Very young found to process fear memories in unique way
Feb 06, 2008 |
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Very young brains process memories of fear differently than more mature ones, new research indicates. The findings appear in the Feb. 6 issue of The Journal of Neuroscience. The work significantly advances scientific unders ...
MIT IDs mechanism behind fear
Jul 15, 2007 |
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Researchers from MIT's Picower Institute for Learning and Memory have uncovered a molecular mechanism that governs the formation of fears stemming from traumatic events. The work could lead to the first drug to treat the ...
Finding fear: Neuroscientists locate where it is stored in the brain
Medicine & Health / Neuroscience
Jul 07, 2009 |
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Fear is a powerful emotion and neuroscientists have for the first time located the neurons responsible for fear conditioning in the mammalian brain. Fear conditioning is a form of Pavlovian, or associative, ...
Learning how not to be afraid
Oct 08, 2008 |
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Why do some people have the ability to remain calm and relaxed even in the most stressful situations? New experiments in mice by Howard Hughes Medical Institute (HHMI) researchers are providing insight into how the brain ...
Research identifies brain cells related to fear
Jul 11, 2008 |
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The National Institute of Mental Health estimates that in any given year, about 40 million adults (18 or older) will suffer from some form of anxiety disorder, including debilitating conditions such as phobias, panic dis ...
Brains rely on old and new mechanisms to diminish fear, researchers find
Sep 10, 2008 |
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Humans have developed complex thought processes that can help to regulate their emotions, but these processes are also linked with evolutionarily older mechanisms that are common across species, according to a study by neuroscientists ...
Researcher uncovers new gene for fear factor
Nov 17, 2005 |
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Rutgers geneticist Gleb Shumyatsky has discovered a gene that controls both innate and learned forms of fear. The gene, known as Stathmin or Oncoprotein 18, is highly concentrated in the amygdala, a key region of the brain ...
No helicopter moms among Rutgers mutant mice
Biology /
Sep 15, 2008 |
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First, he discovered a gene that controls innate fear in animals. Now Rutgers geneticist Gleb Shumyatsky has shown that the same gene promotes "helicopter mom" behavior in mice. The gene, known as stathmin or oncoprotein ...
Altering a protein makes mice less fearful
Aug 01, 2007 |
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A University of Iowa study shows that loss or chemical inhibition of a protein, known as acid sensing ion channel protein (ASIC1a), reduces innate fear behavior in lab animals, making normally timid mice relatively fearless. ...
