Endogenous cannabinoids, or endocannabinoids for short, are lipid-based neurotransmitters known to support various physiological processes. Recent studies have hinted at the role of these neurotransmitters in so-called fear ...
Tragic events like wars, famines, earthquakes, and accidents create fearful memories in our brain. These memories continue to haunt us even after the actual event has passed. Luckily, researchers from Tokyo University of ...
Apr 25, 2022
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Fear and fear extinction learning (the gradual reduction of fear by repeated exposure to the feared object) are adaptive processes caused by molecular changes in specific brain circuits, and they're perturbed in conditions ...
Oct 26, 2020
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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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Researchers at the RIKEN Center for Brain Science have discovered a circuit in the brain that is necessary for unlearning fear. Published in Nature Communications, the study details the role of dopamine in ensuring that rats ...
Jun 27, 2018
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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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(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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(Medical Xpress)—Researchers at Stanford University have developed a procedure that reduces a fear response in mice. It involves, team lead Asya Rolls said as she presented the groups' findings at this year's meeting of ...
