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 ...

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 ...

Harvard's Dr. Kerry Ressler shares insights on fear, trauma, and healing in an exclusive Genomic Press Interview exploring amygdala function BELMONT, Massachusetts, USA, 4 February 2025 - In a ...

A new study published in Translational Psychiatry provides evidence that posttraumatic stress disorder may be linked to altered communication between specific parts of the amygdala and other brain ...

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 ...

High arousal causes the locus coeruleus system to act via alpha-1 and beta adrenergic receptors, favoring elevated fear levels and hindering new learning, while high stress may increase basolateral ...