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1·The discriminative function of the frontal neurons was mainly related to the discrimination of the biological meaning of the stimulus rather than its physical attribute.

额叶神经元的辨别机能，主要不是对刺激物的物理属性，而是对其信号意义进行辨别。这是额叶神经元不同于感觉神经元的一个显著特点。