Psychology & Psychiatry

Pathological gambling caused by excessive optimism

Compulsive gamblers suffer from an optimism bias that modifies their subjective representation of probability and affects their decisions in situations involving high-risk monetary wagers. This is the conclusion drawn by ...

Genetics

Novel test streamlines testing for Huntington Disease

A new test may help to streamline genetic testing for Huntington Disease (HD) by generating accurate results, avoiding unnecessary additional testing, and improving turnaround time. The test, which uses chimeric or triplet ...

Medical research

Stem cells improve visual function in blind mice

An experimental treatment for blindness, developed from a patient's skin cells, improved the vision of blind mice in a study conducted by Columbia ophthalmologists and stem cell researchers.

Oncology & Cancer

Gene mutation can allow proteins to gather, spark tumor growth

Prostate cancer is generally treated as if it's a single disease. But researchers have discovered a new type of the cancer that appears to affect 15 percent of patients, a finding that paves the way for better diagnosis and ...

Neuroscience

Astrocytes: More than just glue

Epileptic fits are like thunderstorms raging in the brain: Nerve cells excite each other in an uncontrolled way so that strong, rhythmic electrical discharges sweep over whole brain regions. In the wake of such a seizure, ...

Oncology & Cancer

Scientists unravel role of fusion gene in prostate cancer

Up to half of all prostate cancer cells have a chromosomal rearrangement that results in a new "fusion" gene and formation of its unique protein -- but no one has known how that alteration promotes cancer growth. Now, Weill ...

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