OBJECTIVE: to investigate the character of auditory evoked potential P300 of the patients with senile psychotic depression.
目的：探讨老年期精神病性抑郁患者听觉诱发电位P 300的特征。
P300 is an evoked potential, and is stimulated by visual, auditory or pain.
P 300是一种诱发电位，由视觉、听觉和痛觉等产生。
P300 is an evoked potential, and is stimulated by visual, auditory or pain.
P 300是一种诱发电位，由视觉、听觉和痛觉等产生。
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