期刊
BRAIN
卷 135, 期 -, 页码 1154-1164出版社
OXFORD UNIV PRESS
DOI: 10.1093/brain/aws021
关键词
fronto-parietal network; general intelligence; executive function; voxel-based lesion-symptom mapping
资金
- U.S. National Institute of Neurological Disorders and Stroke
- United States Army Medical Research
- Ministerio de Ciencia e Innovacion [Ministry of Science and Innovation, Spain] [PSI2010-20364]
- [DAMD17-01-1-0675]
Although cognitive neuroscience has made remarkable progress in understanding the involvement of the prefrontal cortex in executive control, the broader functional networks that support high-level cognition and give rise to general intelligence remain to be well characterized. Here, we investigated the neural substrates of the general factor of intelligence (g) and executive function in 182 patients with focal brain damage using voxel-based lesion-symptom mapping. The Wechsler Adult Intelligence Scale and Delis-Kaplan Executive Function System were used to derive measures of g and executive function, respectively. Impaired performance on these measures was associated with damage to a distributed network of left lateralized brain areas, including regions of frontal and parietal cortex and white matter association tracts, which bind these areas into a coordinated system. The observed findings support an integrative framework for understanding the architecture of general intelligence and executive function, supporting their reliance upon a shared fronto-parietal network for the integration and control of cognitive representations and making specific recommendations for the application of the Wechsler Adult Intelligence Scale and Delis-Kaplan Executive Function System to the study of high-level cognition in health and disease.
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