Neuroscience

Researchers rebuild the brain's circuitry

Neuron transplants have repaired brain circuitry and substantially normalized function in mice with a brain disorder, an advance indicating that key areas of the mammalian brain are more reparable than was widely believed.

Neuroscience

Friend or foe? How mice decide to make love or war

Dog owners whose pets meet during a walk are familiar with the immediate sniffing investigation that typically ensues. Initially, the owners cannot tell whether their dogs will wind up fighting, playing, or trying to mount ...

Medical research

Rapid eye movement sleep helps protect against predator attack

Rapid eye movement (REM) sleep brings about brief but periodic awakenings. In 1966, Dr. Frederick Snyder reported the "sentinel" function of REM could help animals prepare a fight or flight response against potential predator ...

Neuroscience

General anesthesia hijacks sleep circuitry to knock you out

The discovery of general anesthesia 170 years ago was a medical miracle, enabling millions of patients to undergo invasive, life-saving surgeries without pain. Yet despite decades of research, scientists still don't understand ...

Psychology & Psychiatry

When neurons are out of shape, antidepressants may not work

Selective serotonin reuptake inhibitors (SSRIs) are the most commonly prescribed medication for major depressive disorder (MDD), yet scientists still do not understand why the treatment does not work in nearly thirty percent ...

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