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小脑病变患者的注意瞬脱研究

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摘要 目的探讨小脑参与视觉信息加工的机制。方法采用快速系列视觉呈现范式,在注意瞬脱和重复知盲两种刺激呈现条件下,对10例小脑损伤患者及10名健康对照被试进行注意瞬脱和重复知盲测试,比较两组间T2正确报告率的差异。结果患者组的注意瞬脱长度、幅度均大于对照组,差异具有统计学意义(P值为0.01~<0.001);患者组在T1、T2相同与T1、T2不同这两种刺激呈现条件时T2正确报告率的差异无统计学意义(P>0.05),但对照组两种刺激呈现条件时T2正确报告率的差异有统计学意义(P值为0.03~<0.001)。结论小脑参与了视觉信息在中枢阶段的加工,可能与持续性注意有关。
出处 《中国神经精神疾病杂志》 CAS CSCD 北大核心 2009年第5期297-299,共3页 Chinese Journal of Nervous and Mental Diseases
基金 国家重点基础研究发展计划(973)资助项目(编号:2005CB522800)
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