Tag Archives: Donald Pfaff

To recover consciousness, brain activity passes through newly detected states

To recover consciousness, brain activity passes through newly detected statesResearch shows that recovery from deep anesthesia is not a smooth, linear process but is instead a dynamic journey with specific states of activity the brain must temporarily occupy on the way to full recovery. More »

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Bullying alters brain chemistry, leads to anxiety

Getting kicked around is no fun for anyone, but researchers are finding that it’s not just the body that’s bruised, but the brain, too. New experiments from Rockefeller show that mice that are repeatedly bullied by by dominant males grow unusually anxious around new company, threatening or not. The behavioral change seems to be in part due to a change in gene expression that increases sensitivity to vasopressin, a hormone involved in a variety of social behaviors. More »

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