(Medical Xpress) -- In a new study, University of Michigan researchers identified brain circuits in rats that are responsible for the return of fear after it has been suppressed behaviorally.
Nov 29, 2011
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While the romantic poets' idea of memories being akin to spirits may have poetic merit, the scientists' perspective is that memories are concrete, physical entities that can be visualized within various regions of the brain.
Nov 10, 2016
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Researchers at Linköping University, Sweden, have discovered a biological mechanism that increases the strength with which fear memories are stored in the brain. The study, carried out in rats, is published in Molecular ...
Sep 20, 2022
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Researchers at the University of California, Riverside have devised a method to selectively erase particular fear memories by weakening the connections between the nerve cells (neurons) involved in forming these memories.
Aug 17, 2017
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Fear responses can only be erased when people learn something new while retrieving the fear memory. This is the conclusion of a study conducted by scientists from the University of Amsterdam (UvA) and published in the leading ...
Feb 18, 2013
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It turns out the love hormone oxytocin is two-faced. Oxytocin has long been known as the warm, fuzzy hormone that promotes feelings of love, social bonding and well-being. It's even being tested as an anti-anxiety drug. But ...
Jul 22, 2013
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Memories are formed through long-term changes in synaptic efficacy, a process known as synaptic plasticity, and are stored in the brain in specific neuronal ensembles called engram cells, which are activated during corresponding ...
Jul 16, 2018
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Many people suffer from anxiety and fears, and a common treatment for these problems is exposure therapy. In a new study published in Current Biology, researchers at Uppsala University have shown how the effect of exposure ...
Aug 25, 2016
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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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Has a song ever reminded you of the past, and unexpectedly surfaced emotions associated with that specific experience or person from your memory? Does walking into Staples remind you of back-to-school shopping, even years ...
Mar 17, 2022
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