Psychology & Psychiatry

Dopamine, drugs, and depression

The neurotransmitter dopamine plays a major role in mental illnesses like substance abuse disorders and depressive disorders, as well as a more general role in reward and motivational systems of the brain. But there are still ...

Neuroscience

Scientists find sensor that makes synapses fast

Synapses, the connections between neurons, come in different flavors, depending on the chemical they use as transmitter. Signal transmitters, or neurotransmitters, are released at the synapse after calcium ions flow into ...

Neuroscience

Investigating how 'chemo brain' develops in cancer patients

During and after chemotherapy, many cancer patients describe feeling a mental fog, a condition that has been dubbed "chemo brain." Why this happens is unclear, but researchers have found a new clue to understanding this syndrome. ...

Neuroscience

Researchers uncover how kappa opioid receptors drive anxiety

University of North Carolina researchers uncovered a cellular mechanism by which kappa opioid receptors (KOR) drive anxiety. These proteins inhibit the release of the neurotransmitter glutamate in a part of the brain that ...

Medical research

Molecule key to sustaining brain communication

(Medical Xpress)—Scientists have discovered the powerful role the molecule Myosin VI plays in communication between nerve cells in the brain.

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