Word: stimuli
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Dates: during 1990-1999
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...technologies are helping scientists understand more about how children's brains suffer because of insufficient stimulation or stimuli of the wrong kind. Dr. Bruce Perry of Houston's Baylor College of Medicine found that kids who hardly play--or who aren't touched very much--develop brains 20% to 50% smaller than normal. Infants in the care of mothers with severe depression show reduced brain activity as well as prominent effects in the parts of the brain associated with the expression of feelings. "This may result from such mothers' inability to relate affectionately and responsively to their infants," writes...
...paper focused on the degree to whichinformation about color is separated frominformation about motion and brightness that isalso processed in the brain. The researchers foundthat achromats were able to distinguish the motionof certain color stimuli just as those without thedisorder...
SNOOZE ALARM Shaving off just a couple hours of sleep a night for a week causes huge lapses in mental performance--doubling the response time to stimuli, for instance. To regain mental agility, two eight-hour nights of sleep are needed...
...tendency today," says LaBute, "is for movies to rush over you with everything but thought. A wave of stimuli rather than the most important thing, which is something to take home in your head." In the Company of Men is the toxic antidote to such disposable entertainment. Love it or loathe it, the picture sticks to you like guilt sweat after adulterous sex. It leaves a little spoor trail. Food for thought? No, a banquet for debate and denial...
...recorded in their molecular structure. "Think of the spinal cord as a voice-mail system," says neurobiologist Allan Basbaum of the University of California, San Francisco. "A message comes in and leaves something behind." The longer the injury persists, the more sensitive the spinal nerves become to painful stimuli--and the more intensely they signal the brain that something is wrong...