Medications

Study gives a peek at how ketamine acts as 'switch' in the brain

Ketamine, an established anesthetic and increasingly popular antidepressant, dramatically reorganizes activity in the brain, as if a switch had been flipped on its active circuits, according to a new study by Penn Medicine ...

Neuroscience

How touch dampens the brain's response to painful stimuli

When we press our temples to soothe an aching head or rub an elbow after an unexpected blow, it often brings some relief. It is believed that pain-responsive cells in the brain quiet down when these neurons also receive touch ...

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