St. Jude Children's Research Hospital scientists have discovered a pathway that functions like a car wash to prevent the buildup of a toxic protein associated with Alzheimer's disease. The report appeared online today in ...
Jun 27, 2019
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When healthy people are faced with threatening situations, they react with a suitable behavioural response and do not descend into a state of either panic or indifference, as is the case, for example, with patients who suffer ...
Sep 6, 2011
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Stimulating the brain's circuitry related to addiction can create strong desires even for something that hurts.
Jun 1, 2020
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A research group from the University of Leeds has shown that infection by the brain parasite Toxoplasma gondii, found in 10-20 per cent of the UK's population, directly affects the production of dopamine, a key chemical messenger ...
Nov 4, 2011
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Can animals' survival instincts shed additional light on what we know about human emotion? New York University neuroscientist Joseph LeDoux poses this question in outlining a pioneering theory, drawn from two decades of research, ...
Feb 22, 2012
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A new Addiction Biology study provides the first evidence of a blunted response to stress-induced dopamine signaling in the brain's prefrontal cortex in individuals at high risk for psychosis who regularly used cannabis.
Aug 7, 2019
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In many cases, tumors suppress a patient's immune system in a way that keeps the cancer safe from immune system attack. This is particularly true for patients with glioblastoma, a primary brain tumor that carries a prognosis ...
Nov 22, 2011
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(Medical Xpress)—A team of researchers with members from across Europe has discovered the mechanism by which the sleeping sickness parasite overcomes the immune system in humans. In their paper published in the journal ...
How does the brain form "fear memory" that links a traumatic event to a particular situation? A pair of researchers at the University of California, Riverside, may have found an answer.
Mar 13, 2020
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(Medical Xpress)—Like most things, sex requires motivation. An attractive face, a pleasant fragrance, perhaps a sexy image. Yet people differ in their response to sex cues, some react strongly; some don't. A greater responsiveness ...
May 15, 2014
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