Emory University

Cell & Microbiology

T cells use 'handshakes' to sort friends from foes

T cells, the security guards of the immune system, use a kind of mechanical "handshake" to test whether a cell they encounter is a friend or foe, a new study finds.

Neuroscience

Dopamine key to vocal learning, songbird study finds

The neurotransmitter dopamine is essential to correcting vocal mistakes, suggests a study on Bengalese finches. The Journal of Neuroscience published the research, led by Emory biologist Samuel Sober, who uses Bengalese finches ...

Psychology & Psychiatry

Inflammation linked to weakened reward circuits in depression

About one third of people with depression have high levels of inflammation markers in their blood. New research indicates that persistent inflammation affects the brain in ways that are connected with stubborn symptoms of ...

Psychology & Psychiatry

Babies have logical reasoning before age one, study finds

Human infants are capable of deductive problem solving as early as 10 months of age, a new study by psychologists at Emory University and Bucknell finds. The journal Developmental Science is publishing the research, showing ...

Immunology

Researchers decode lupus using DNA clues

People with systemic lupus erythematosus can experience a variety of symptoms, such as fatigue, joint pain, skin rashes and kidney problems. Often the symptoms come and go in episodes called flares. In lupus, the immune system ...

Neuroscience

Tools for illuminating brain function make their own light

Optogenetics has taken neuroscience by storm in recent years because the technique allows scientists to study the brain conveniently in animals, activating or inhibiting selected groups of neurons at the flip of a switch. ...

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