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 ...

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 ...

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 ...

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 ...

Psychology & Psychiatry

Alcohol breaks brain connections needed to process social cues

(Medical Xpress)—Alcohol intoxication reduces communication between two areas of the brain that work together to properly interpret and respond to social signals, according to researchers at the University of Illinois at ...

Alzheimer's disease & dementia

New drug reverses loss of brain connections in Alzheimer's disease

The first experimental drug to boost brain synapses lost in Alzheimer's disease has been developed by researchers at Sanford-Burnham Medical Research Institute. The drug, called NitroMemantine, combines two FDA-approved medicines ...

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