Word: cerebrum
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Dates: during 1990-1999
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...after the celebration of cerebral-free non-activity, asks the reader to "climb the highest figurative mountaintop and proclaim, with all the vigor and shrillness that made Roseanne a household name, that TV is good." But "Roseanne," an ABC success that ended its run last season, always required a cerebrum for optimum enjoyment...
...brain suggests that our memories are always dynamic and never quite whole. From the moment we experience them, our perceptions are broken down into fragments that are stored all over the brain. The memory of a rose, for example, doesn't exist in any one place in the cerebrum. Instead it is created anew every time a person thinks about it, from subunits of sensation based on color, shape and smell. There is no mind's eye that records everything like a videotape...
...brain chemical called serotonin. One of the many signaling chemicals used by nerve cells to communicate with one another, serotonin is intricately linked to those parts of the brain that affect mood and impulse control. Nerve cells manufacture, release and absorb serotonin in quick bursts that ripple throughout the cerebrum. Although no one understands quite why, low levels of the chemical are associated with clinical depression. As a result, serotonin has become the target for a whole new genre of antidepressant drugs -- the most popular of which is Prozac -- that keep it active in the brain longer than usual...