Page 13 - Amygdala News Today

What triggers the mammalian sleep cycle's shift between non-rapid eye movement (NREM) and rapid eye movement (REM) sleep? A new study in mice suggests increased levels of dopamine in a key region of the brain during NREM sleep play an important role in this transition.

Despite similar symptoms, loneliness and social anxiety are driven by different brain states, according to new research published in JNeurosci.

Research led by University of Arizona has found a brain region and neural circuitry that mediate satiation, which could help researchers better target drugs to

People predisposed to heavy drinking and alcohol problems may have lower functional connectivity -; the patterns of signaling between brain areas -; in regions that process emotions and social situations.

A hormone produced by the liver called fibroblast growth factor 21 (FGF21) suppresses alcohol consumption in primates, finds a study published February 1 in the journal Cell Metabolism.

It is estimated that more than 100 million U.S. adults are affected by chronic pain, a condition that annually costs the country an estimated $560-635 billion in health care costs, disability and lost productivity.

Members of the "Synaptic Dysfunction and Disease" group at the Institute of Biomedicine of Seville, led by researchers Francisco Gómez Scholl and Amalia Martínez Mir, recently published the results of their research into Alzheimer's disease.

A recent study links anxiety behavior in rats, as well as post traumatic stress disorder (PTSD) in military veterans, to increased myelin - a substance that expedites communication between neurons - in areas of the brain associated with emotions and memory.

"First we had CatDog, now I give you, DogDog," one pet lover declared in response to the posting.

PET imaging of brain activity in people with asthma shows that psychological stress is involved in triggering asthma attacks.