A study by researchers at EPFL shows why only a subset of individuals exposed to trauma develop posttraumatic stress disorder (PTSD). The research, centered on the body's stress hormone response, could pave the way for more ...
Nov 7, 2023
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Microglia are the first line of defense in the central nervous system, constantly scanning for pathogens and abnormalities and releasing small proteins called cytokines to wade off infections. Previous research has shown ...
Sep 12, 2022
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Fear is an important survival mechanism and so too is the ability to inhibit fear when it's no longer needed. In order to counter-balance fear, the brain engages in fear extinction. In this process, memories are formed during ...
May 4, 2020
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When you expect a really bad experience to happen and then it doesn't, it's a distinctly positive feeling. A new study of fear extinction training in mice may suggest why: The findings not only identify the exact population ...
Jan 16, 2020
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QBI researchers have discovered a DNA modification that enhances our ability to extinguish fear.
Feb 19, 2019
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The expression "once bitten, twice shy" is an illustration of how a bad experience can induce fear and caution. How to effectively reduce the memory of aversive events is a fundamental question in neuroscience. Scientists ...
Dec 8, 2016
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Researchers at the Medical University of South Carolina (MUSC) have used viruses to infect neurons with genes that allow them to switch on brain receptors involved in suppressing addiction relapse. Results of these preclinical ...
Oct 11, 2016
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There are currently only two FDA-approved medications for the treatment of posttraumatic stress disorder (PTSD) in the United States. Both of these medications are serotonin uptake inhibitors. Despite the availability of ...
Jun 11, 2014
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If you got beat up by a bully on your walk home from school every day, you would probably become very afraid of the spot where you usually met him. However, if the bully moved out of town, you would gradually cease to fear ...
Sep 18, 2013
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An interesting new report of animal research published in Biological Psychiatry suggests that common antidepressant medications may impair a form of learning that is important clinically.
Jun 10, 2013
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