Researchers investigating eating disorders often study chemical and neurological functions in the brain to discover clues to overeating. Understanding non-homeostatic eating—or eating that is driven more by palatability, ...
Mar 8, 2016
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The latest generation of antidepressants relieves symptoms by mimicking steroids produced by the brain to ensure neurons are effectively talking to each other. How these neurosteroids are linked to depression and why they ...
Feb 13, 2023
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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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Stress eating is something many people are familiar with, but how the brain links positive reinforcement like food to emotional states like fear or anxiety is not well-understood. The wiring in the mouse brain, however, is ...
Mar 22, 2017
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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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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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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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New research led by neuroscientists at Tufts University School of Medicine suggests the prolonged antidepressant effects of allopregnanolone, a neuroactive steroid used therapeutically to treat postpartum depression, may ...
Aug 18, 2021
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Reward-seeking and threat avoidance are critical for survival. Pursuing enjoyable things triggers the release of dopamine in the brain, making people feel pleasure. In contrast, people subconsciously avoid unpleasant feelings ...
Nov 14, 2022
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A new study conducted on laboratory animals shows that exposure to cannabis and stress during adolescence may lead to long-term anxiety disorders characterized by the presence of pathological fear. The work carried out by ...
Jan 9, 2019
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