One of the characteristics of depression is a tendency to perceive sensory stimuli and everyday situations in an excessively negative way. But the mechanisms underpinning this "negativity bias," which ...

Fear is an adaptive emotion that helps us cope with threatening situations. Deep within the temporal lobe of the brain is the amygdala, the most studied brain area involved in fear. The amygdala uses ...

Neuroimaging measures of emotional brain function after acute trauma may help predict whether a person will develop posttraumatic stress disorder (PTSD), according to a new study in Biological ...

Picture a star-shaped cell in the brain, stretching its spindly arms out to cradle the neurons around it. That's an astrocyte, and for a long time, scientists thought its job was caretaking the brain, ...

Researchers at University of California San Diego School of Medicine and the Salk Institute for Biological Studies have created a unique, cell-by-cell atlas of the amygdala, a small structure deep ...

One of the characteristics of depression is a tendency to perceive sensory stimuli and everyday situations in an excessively negative way. But the mechanisms underpinning this "negativity bias," which ...