MeSH tree: A08.186.211.200.885.287.249
The human brain contains billions of neurons that continuously receive information and stimuli from the outside. To make decisions, neurons assess at every moment whether the stimulus is positive or negative. If it is positive, ...
Mar 26, 2025
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Severe self-injurious behavior in children with autism spectrum disorder (ASD) poses a significant risk of permanent physical injury. Not all children respond to behavioral therapies. Findings from a pilot trial show that ...
Mar 20, 2025
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31
To uncover what drives sexual behavior in animals, researchers studied the brain activity of male mice throughout the series of actions involved in sex leading up to ejaculation. Their results, published in Neuron, show that ...
Mar 19, 2025
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41
For years, post-traumatic stress disorder (PTSD) has been studied primarily in people who experience trauma firsthand. But what about those who witness it—military veterans, first responders, health care workers, or bystanders ...
Mar 18, 2025
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Over the course of their lives, humans and other animals typically learn to avoid situations and stimuli that are dangerous or are perceived as threatening. Past neuroscience studies have gathered evidence suggesting that ...
University of Arizona neuroscientists studying the brains of songbirds have found that aging alters the gene expressions that control the birds' song. The finding could lead to earlier diagnoses and better treatments for ...
Mar 12, 2025
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Most people are familiar with Pavlovian conditioning, in which a reward-anticipatory behavior follows a reward-predicting stimulus. Behind this mechanism is dopamine released within the striatum, the largest structure of ...
Mar 12, 2025
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The biological roots of Tourette disorder occur in the basal ganglia, structures deep in the brain involved in the control of movement—particularly learned motor routines and habits. However, the role of individual cells ...
Mar 12, 2025
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Subtle changes in the brain during pregnancy may help explain why some women develop postpartum depression.
Mar 6, 2025
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People with a more active amygdala (an area in the brain involved in processing information relevant to threats) are more likely to develop PTSD symptoms after experiencing trauma than people with a calmer amygdala. This ...
Mar 4, 2025
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