先天性左脑和右脑损伤对智力的不同影响。
Differential effects of congenital left and right brain injury on intelligence.
作者信息
Nass R, deCoudres Peterson H, Koch D
机构信息
Department of Neurology and Pediatrics, Cornell University Medical College, New York, NY 10021.
出版信息
Brain Cogn. 1989 Mar;9(2):258-66. doi: 10.1016/0278-2626(89)90035-3.
IQ performance was compared in 28 prepubertal children with unilateral left vs. right hemisphere preperinatal injury. Results indicated statistically superior FSIQ and VIQ in the left-lesioned group. Findings were interpreted as consistent with the hypothesis of a left-right maturational gradient, whereby early right hemisphere damage has a more severe effect on overall intellectual functioning than early left injury. Findings also lend support for a greater crowding effect, as seen in the sparing of verbal skills, after early left hemisphere injury.
对28名青春期前单侧左半球或右半球有围产期损伤的儿童的智商表现进行了比较。结果表明，左侧损伤组的全量表智商（FSIQ）和言语智商（VIQ）在统计学上更优。这些发现被解释为与左右成熟梯度假说一致，即早期右半球损伤对整体智力功能的影响比早期左半球损伤更严重。研究结果也支持了更大的拥挤效应，如早期左半球损伤后言语技能的保留。
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