Word: crucially
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Dates: during 1990-1999
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Yesterday Indonesian President B.J. Habibie said he would allow United Nations peacekeeping forces to enter East Timor, the Indonesian province that has been engulfed in chaos since voting overwhelmingly for independence in an Aug. 30 referendum. Habibie's announcement, in a nationally televised address, is a crucial step toward peace in East Timor and a welcome reversal of Indonesia's previous opposition to foreign intervention. What is most important now is that the UN and the international community quickly take Habibie up on his offer...
...thing has become clear to scientists: memory is absolutely crucial to our consciousness. Says Janellen Huttenlocher, a professor of psychology at the University of Chicago: "There's almost nothing you do, from perception to thinking, that doesn't draw continuously on your memory...
...patient can learn to draw in a mirror but can't remember doing it; a Huntington's patient can't do it but can remember trying to learn. Yet another region of the brain, an almond-size knot of neural tissue known as the amygdala, seems to be crucial in forming and triggering the recall of a special subclass of memories that is tied to strong emotion, especially fear. The hippocampus allows us to remember having been afraid; the amygdala evidently calls up the goosebumps that go along with each such memory...
...altered mice grow up looking and acting just like ordinary mice, with no evidence of seizures or convulsions, according to Tsien. That's critical. The NMDA receptor shows up throughout the brain, and though calcium is crucial to learning and memory, too much of it can lead to cell death. That's what happens during a stroke: when brain cells are deprived of oxygen, they release huge amounts of glutamate, which overstimulates nearby NMDA receptors and kills their host cells. Nature may have designed NR2B-based receptors to taper off in adult brains for a reason. Some scientists fear that...
...that using the emotive word intelligence in the paper was sure to generate controversy. "We really don't mean to suggest," he explains, "that human intelligence is the same as animal intelligence. But I would argue that problem solving is clearly part of intelligence, and learning and memory are crucial to problem solving. And these mice are better learners, with better memories, than other mice...