期刊
BRAIN AND COGNITION
卷 68, 期 2, 页码 171-179出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bandc.2008.04.004
关键词
Neuropsychological tests; Visual perception; Receptive language; MRI; Brain volumes; Temporal lobe; Normal development; PPVT
资金
- NIH [R01 NS042851, M01 RR 00052]
Ecological validity of neuropsychological assessment includes the ability of tests to predict real-world functioning and/or covary with brain structures. Studies have examined the relationship between adaptive skills and test performance, with less focus on the association between regional brain volumes and neurobehavioral function in healthy children. The present study examined the relationship between temporal lobe gray matter volumes and performance on two neuropsychological tests hypothesized to measure temporal lobe functioning (visual perception-VP; peabody picture vocabulary test, third edition-PPVT-III) in 48 healthy children ages 5-18 years. After controlling for age and gender, left and right temporal and left occipital volumes were significant predictors of VP. Left and right frontal and temporal volumes were significant predictors of PPVT-III Temporal volume emerged as the strongest lobar correlate with both tests. These results provide convergent and discriminant validity supporting VP as a measure of the what system; but suggest the PPVT-III as a complex measure of receptive vocabulary, potentially involving executive function demands. (c) 2008 Elsevier Inc. All rights reserved.
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