Medical research

Scientists lead rat race for better PET scan

Scientists in Australia have devised a method of scanning lab rats' brains as they scurry about freely, eliminating the need for anaesthesia or forced restraint, a report said Wednesday.

Medical research

Beating hearts are finally still with 4D PET image reconstruction

A development in 4D image reconstruction compensates for blurring caused by the beating of the heart, say researchers at the Society of Nuclear Medicine's 59th Annual Meeting. The new method provides sharper-than-ever images ...

Psychology & Psychiatry

Depression linked to reduced temporofrontolimbic coupling

(HealthDay) -- Patients with remitted major depressive disorder (MDD) have reduced guilt-selective temporofrontolimbic coupling between the right superior anterior temporal lobe (ATL) and subgenual cingulate cortex and adjacent ...

Neuroscience

Post-stroke depression linked to functional brain impairment

Researchers studying stroke patients have found a strong association between impairments in a network of the brain involved in emotional regulation and the severity of post-stroke depression. Results of the study are published ...

Neuroscience

GPS for the brain: Researchers develop new brain map

University of Georgia researchers have developed a map of the human brain that shows great promise as a new guide to the inner workings of the body's most complex and critical organ.

Neuroscience

Acid in the brain: Team develops new way to look at brain function

University of Iowa neuroscientist John Wemmie, M.D., Ph.D., is interested in the effect of acid in the brain. His studies suggest that increased acidity or low pH, in the brain is linked to panic disorders, anxiety, and depression. ...

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