The neuropeptide oxytocin is a special messenger substance that nerve cells use to communicate with each other. It is acting ...

A Dartmouth study challenges the conventional view that the amygdala—the two-sided structure deep in the brain involved in emotion, learning, and decision making—is simply the brain's primitive "fear ...

A new study suggests that a promising noninvasive brain stimulation technique may not function exactly as psychiatrists had ...

Anxiety is no longer being viewed merely as a psychological feeling of fear or unease. Increasingly, neurologists and endocrinologists are describing it as a "neuroendocrine imbalance," a problem ...

Researchers find that the amygdala is a sophisticated mediator that chooses between action-based and stimulus-based learning strategies under uncertainty.

Astrocytes are the most common type of cell in the brain and are generally understood to help connect neurons together across the nervous system. The study shows they play a key role in learning and ...

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Around 70% of women who suffer a sexual assault develop PTSD; now scientists have shown that many of these women show a marked reduction in the usual communication between two important brain areas ...