Changing levels of the chemical dopamine, a chemical most associated with motivation, may help explain why stressful experiences during infancy can lead to lasting behavioral issues, a new study in rodents shows.
Oct 26, 2021
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A new study showing how a stomach ache associated with a novel, appealing food forms an aversion to that food also reveals how areas of the brain may work together to alter behavior based on good or bad experiences. Led by ...
Nov 11, 2020
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Researchers at The Scripps Research Institute have found new links between a protein that controls our urge to eat and brain cells involved in the development of alcoholism. The discovery points to new possibilities for designing ...
Sep 14, 2012
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Two pathways in the brain converging at the amygdala regulate the anxiety and depression that often accompanies chronic pain, suggests research in male rats published in JNeurosci. One of these pathways may represent a top-down ...
Jun 25, 2018
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Recent combat veterans who are diagnosed with post traumatic stress disorder have significantly smaller volume in an area of the brain critical for regulating fear and anxiety responses, according to research led by scientists ...
Nov 5, 2012
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A new study finds that veterans and active-duty service members with combat-related PTSD and mild traumatic brain injury had larger amygdalas—the region of the brain that processes such emotions as fear, anxiety, and aggression—than ...
Apr 29, 2019
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Anxiety disorders are the most common psychiatric illnesses. Some patients suffering from anxiety disorders also display depressive-like symptoms, leading to greater severity and complexity of anxiety disorders.
Mar 30, 2022
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Suppose you drop your morning coffee and it splatters everywhere. Later a colleague drops by to say hello. Do you grumble a testy acknowledgment, or cheerfully greet her?
Mar 22, 2021
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The 20th century has seen an explosion of scientific efforts made to reveal the biological substrates of cognitive functions. Emotions and cognitive processes interact to build up complex behavioural responses and to drive ...
Jan 23, 2017
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If functionality of the brain's amygdala is impaired, illusory perceptions arise much faster and more pronounced. This was discovered by a team of researchers led by the University of Bonn, who studied identical twins in ...
Mar 13, 2019
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