Psychology & Psychiatry

Scientists explain how ketamine vanquishes depression within hours

(Medical Xpress)—Many chronically depressed and treatment-resistant patients experience immediate relief from symptoms after taking small amounts of the drug ketamine. For a decade, scientists have been trying to explain ...

Genetics

Autism treatments may restore brain connections

Scientists have identified a pair of treatments that may restore brain function to autism patients who lack a gene critical to maintaining connections between neurons, according to a study from the Peter O'Donnell Jr. Brain ...

Psychology & Psychiatry

Single dose of antidepressant changes the brain

A single dose of antidepressant is enough to produce dramatic changes in the functional architecture of the human brain. Brain scans taken of people before and after an acute dose of a commonly prescribed SSRI (serotonin ...

Neuroscience

MRI scans reveal changes in brains wiring after cold water shock

For the first time, a team of researchers has observed changes in how different parts of the brain interact with each other after a person's body is immersed in cold water. The findings explain why people often feel more ...

Neuroscience

Study links two human brains for question-and-answer experiment

Imagine a question-and-answer game played by two people who are not in the same place and not talking to each other. Round after round, one player asks a series of questions and accurately guesses the object the other is ...

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