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JOHN NASH’S LONG JOURNEY

ByTeam HUMANITYUAPD

JOHN NASH’S LONG JOURNEY ECONOMIST and mathematician John Forbes Nash, Jr., started hearing things when he was young. He became convinced that aliens were communicating through the New York Times, and he rambled through Europe in a vague quest of becoming a refugee. At Princeton University he scribbled late into the night on blackboards, earning…

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GOOD FEELINGS / PLEASURE CENTERS [ THE NERVOUS SYSTEM ]

ByTeam HUMANITYUAPD

GOOD FEELINGS / PLEASURE CENTERS [ NERVOUS SYSTEM ] GOOD FEELINGS Pleasure also has its centers In the brain. A Tulane University neurologist stumbled across one such center in the 1950s when he tried to electrically stimulate the brains of schizophrenics to break them out of their passivity. His patients told him their implanted electrodes…

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DEGREES OF PAIN [ THE NERVOUS SYSTEM ]

ByTeam HUMANITYUAPD

DEGREES OF PAIN [ THE NERVOUS SYSTEM ] Similar pains don’t always register with the same intensity. Although nearly all humans-besides the very few who lack the ability to feel pain recognize extreme heat or a deep cut as painful, they can react differently. Some tolerate pain more easily, whereas others feel it more intensely….

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PATHWAYS / GRAY MATTER [ MESSENGERS ( NERVOUS SYSTEM ) ]

ByTeam HUMANITYUAPD

PATHWAYS / GRAY MATTER [ MESSENGERS ( THE NERVOUS SYSTEM ) ] PATHWAYS Pain signals take rwo tracks on their way to the brain. The express line, like a nonstop train between cities, sends signals through the spinal cord and connects directly to the thalamus. While some pain signals are diverted along the way, those that…