PSYCH OpenIR  > 中国科学院心理研究所回溯数据库(1956-2010)
Thesis Advisor匡培梓
Degree Grantor中国科学院心理研究所
Place of Conferral中国科学院心理研究所
Other AbstractSeparate groups of rats with bilateral or unilateral lesions in septum were tested for acquisition and retention of the Morris water maze spatial cognitive task. Some of the animals in each lesion group received preoperative training in the task. Other animals in each group received no preoperative training. The results indicate that although both lesions lead to a spatial cognitive impairment in both the acquisition and retention of the task, the animals with bilateral lesions were more severely impaired than were the animals with unilateral, as indicated by quantitative measure. Searching strategies were used as an index to eximine the qualitative difference in the animals swim be havior, we found that the unilateral damaged animals still tend to use "mapping" strategies to solve the task as in the case of control groups but the accuracy is lower. The searching strategies used by the bilateral damaged animals showed complex patterns. The acquisition group with bilateral tend to use random and paratic strategies, however, the retention group with bilateral had a tendacy to use paratic and taxic strategies. The difference between searching strategies and its dynamic, change possibly suggest that other cognitive processing systems play an role in the processing of information about the task.
Document Type学位论文
Recommended Citation
GB/T 7714
隋南. 隔区损毁对大鼠空间认知能力的影响及其在Morris迷宫中搜索策略的比较[D]. 中国科学院心理研究所. 中国科学院心理研究所,1990.
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