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用长谷川智力测定量表法测定了１８９例卒中患者的智力，分析了病变部位、脑萎缩及局部脑血流量（ｒＣＢＦ）对智力的影响．其中６９例患者长谷川分数低于２１．５分．当病变位于左半球时，属痴呆或可疑痴呆者达４２．９％；而病变位于右半球时，仅２３．１％属痴呆及可疑痴呆．ｒＣＢＦ与长谷川分数之间的相关分析显示：左额、右颞及左顶叶的ｒＣＢＦ与长谷川分数呈极显著正相关．提示左半球在智力活动中起主导作用．脑萎缩亦是影响智力的因素．
The intelligence of 189 patients with stroke was measured by Hasegawa’s Intelligence Test Scale, and the effect of lesion, brain atrophy and rCBF on intelligence was analyzed. 69 of them Hasegawa score below 21.5 points. When the lesion is located in the left hemisphere, 42.9% of patients with dementia or suspicious dementia; and lesions in the right hemisphere, only 23.1% are dementia and suspicious dementia. Correlation analysis between rCBF and Hasegawa scores showed that rCBF of left frontal, right temporal and left parietal lobe had a significantly positive correlation with Hasegawa score. Tip left hemisphere in intellectual activities play a leading role. Brain atrophy is also a factor that affects intelligence.