Psychology & Psychiatry

Why people become more prone to distraction with age

Older adults appear more easily distracted by irrelevant information than younger people when they experience stress or powerful emotions— and a specific network in the brain recently identified as the epicenter for Alzheimer's ...

Psychology & Psychiatry

Research links locus coeruleus activity with hyperarousal in PTSD

A new study in Biological Psychiatry has linked signs of heightened arousal and reactivity—a core symptom of posttraumatic stress disorder (PTSD)—to overactivity of the locus coeruleus (LC), a brain region that mediates ...

Neuroscience

Learning and unlearning to fear: The two faces of noradrenaline

Emotional learning can create strong memories and powerful emotional responses, but flexible behavior demands that these responses be inhibited when they are no longer appropriate. Scientists at the RIKEN Brain Science Institute ...

Neuroscience

Brain study shows how slow breathing induces tranquility

Stanford scientists have identified a small group of neurons that communicates goings-on in the brain's respiratory control center to the structure responsible for generating arousal throughout the brain.

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