方法：细胞外记录离体海马脑片CA1区锥体细胞层群体峰电位。
METHODS: Extracellular population spikes of the pyramidal cell layer in the hippocampal CA1 region were recorded in vitro.
目的设计有效、简便的锥体细胞放电时相检测程序，并检测豚鼠海马CA 1区锥体细胞在视觉分辨任务中放电时相的变化。
Objective To detect the change of discharge phase of guinea pig hippocampal CA1 pyramidal cells during visual discriminative task with an effective and convenient program we designed.
实验组CA1区锥体细胞层、放射层及腔隙层免疫反应性均高于对照组相应各层，各组比较有显著性差异。
In stratum pyramidale, stratum radiatum, stratum lacunosum of CA1, BDNF immune reactivity in NPY experimental group was higher than in control group and statistical analysis was significant.
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