关键期是个体早期生命中一个比较短暂的时期，在这个期间，个体对某种刺激特别敏感，过了这一时期，同样的刺激对其影响很小或没有影响。错过了关键期，以后经过补偿性学习，也无法获得某些能力。（ ）
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关键期是个体早期生命中一个比较短暂的时期，在这个期间，个体对某种刺激特别敏感，过了这一时期，同样的刺激对其影响很小或没有影响。当然，关键期也并非绝对的，即使错过了关键期，以后经过补偿性学习，仍有可能获得某些能力，只是难度要大些。
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