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Stimulating the vagus nerve in the neck might help ease pain associated with PTSD

In a randomized, controlled pilot trial, researchers found that participants pre-treated with noninvasive vagus nerve stimulation experienced less pain after heat stimulus than mock-treated participants.

Bipolar type definitions

There are five categories of bipolar disorder. Bipolar I and II occur most frequently, while other types are less common. Learn more about the classifications of bipolar disorder here.

Exercise gives older men a better brain boost

New research suggests that the relationship between physical and brain fitness varies in older adults by virtue of their sex.

Newly isolated human gut bacterium reveals possible connection to depression

Researchers have established a correlation between depression and a group of neurotransmitter-producing bacteria found in the human gut.

Movement impairments in autism could be reversible

Researchers from Cardiff University have established a link between a genetic mutation and developmental movement impairments in autism.

Brain clock ticks differently in autism

The neural ‘time windows’ in certain small brain areas contribute to the complex cognitive symptoms of autism, new research suggests. In a brain imaging study of adults, the severity of autistic symptoms was linked to how long these brain areas stored …

PTSD alone didn’t increase heart disease risk in veterans with PTSD

Coexisting medical conditions, psychiatric disorders, heavy smoking and illicit drug use may explain the increased risk for heart disease among veterans with PTSD.

Uncovering the evolution of the brain

What makes us human, and where does this mysterious property of ‘humanness’ come from? Humans are genetically similar to chimpanzees and bonobos, yet there exist obvious behavioral and cognitive differences. Now, researchers have developed a strategy t…

Consciousness rests on the brain’s ability to sustain rich dynamics of neural activity

Consciousness, from the moment we go to sleep until we wake up, seems to come and go every day. Consciousness can be temporarily abolished by pharmacological agents or more permanently by brain injury. Each of these departures from conscious wakefulnes…

Brain protein crucial to recovery from stroke

Researchers have identified a brain protein at the root of how the brain recovers from stroke. The finding offers a promising avenue for developing therapies that could work even when given beyond the first few hours after a stroke.