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You’re at a crowded party, noisy with multiple conversations, music and clinking glasses. But when someone behind you says your name, you hear it and quickly turn in that direction.The same sort of th...
Scientists at the Queensland Brain Institute have found a way to measure the attention span of a fly, which could lead to further advances in the understanding of attention-deficit hyperactivity disor...
Long-distance brain waves focus attention, McGovern study finds
long-distance brain waves attention McGovern study
2009/6/3
MIT neuroscientists found that neurons in the prefrontal cortex -- the brain's planning center -- fire in unison and send signals to the visual cortex to do the same, generating high-frequency waves t...
《The Expression of Emotion in Man and Animals》Chapter 13 SELF,ATTENTION,SHAME,SHYNESS AND MODESTY: BLUSHING
The Expression of Emotion in Man and Animals 人类与动物的感情表达 查尔斯·达尔文 Charles Darwin
2008/12/22
Nature of a blush—Inheritance—The parts of the body most affected—Blushing in the various races of man—Accompanying gestures—Confusion of mind—Causes of blushing—Self-attention, the fundamental elemen...
注意植物迁地保护中的遗传风险Pay Attention to Genetic Risks in Plant Ex Situ Conservation
植物园 迁地保护 遗传风险 遗传管理
2008/1/6
摘要稀有濒危植物迁地保护的长期目标之一就是要保护物种的遗传多样性和进化潜力。介绍了稀有濒危植物在植物园迁地保护过程中存在的一系列遗传风险。由于引种或取样的不足，容易导致被保存的物种缺乏足够的遗传代表性；盲目的引种、不合理的定植以及材料的来源不清则会导致稀有濒危植物的遗传混杂、近交衰退或杂交衰退；人为选择和生长环境的改变也容易造成濒危物种对迁地保护的遗传适应。在实际的迁地保护工作中，这些遗传风险往往...