Journal article
Lesion Mapping of Cognitive Abilities Linked to Intelligence
Neuron (Cambridge, Mass.), Vol.61(5), pp.681-691
03/12/2009
DOI: 10.1016/j.neuron.2009.01.026
PMCID: PMC2728583
PMID: 19285465
Abstract
The Wechsler Adult Intelligence Scale (WAIS) assesses a wide range of cognitive abilities and impairments. Factor analyses have documented four underlying indices that jointly comprise intelligence as assessed with the WAIS: verbal comprehension (VCI), perceptual organization (POI), working memory (WMI), and processing speed (PSI). We used nonparametric voxel-based lesion-symptom mapping in 241 patients with focal brain damage to investigate their neural underpinnings. Statistically significant lesion-deficit relationships were found in left inferior frontal cortex for VCI, in left frontal and parietal cortex for WMI, and in right parietal cortex for POI. There was no reliable single localization for PSI. Statistical power maps and cross-validation analyses quantified specificity and sensitivity of the index scores in predicting lesion locations. Our findings provide comprehensive lesion maps of intelligence factors, and make specific recommendations for interpretation and application of the WAIS to the study of intelligence in health and disease.
Details
- Title: Subtitle
- Lesion Mapping of Cognitive Abilities Linked to Intelligence
- Creators
- Jan Gläscher - Division of Humanities and Social Sciences, Caltech, Pasadena, CA 91125, USADaniel Tranel - Department of Neurology, University of Iowa, Iowa City, IA 52242, USALynn K Paul - Division of Humanities and Social Sciences, Caltech, Pasadena, CA 91125, USADavid Rudrauf - Department of Neurology, University of Iowa, Iowa City, IA 52242, USAChris Rorden - Department of Communication Sciences and Disorders, University of South Carolina, Columbia, SC 29208, USAAmanda Hornaday - Department of Neurology, University of Iowa, Iowa City, IA 52242, USAThomas Grabowski - Department of Neurology, University of Iowa, Iowa City, IA 52242, USAHanna Damasio - Department of Neurology, University of Iowa, Iowa City, IA 52242, USARalph Adolphs - Division of Humanities and Social Sciences, Caltech, Pasadena, CA 91125, USA
- Resource Type
- Journal article
- Publication Details
- Neuron (Cambridge, Mass.), Vol.61(5), pp.681-691
- DOI
- 10.1016/j.neuron.2009.01.026
- PMID
- 19285465
- PMCID
- PMC2728583
- NLM abbreviation
- Neuron
- ISSN
- 0896-6273
- eISSN
- 1097-4199
- Publisher
- Elsevier Inc
- Language
- English
- Date published
- 03/12/2009
- Academic Unit
- Neurology; Psychological and Brain Sciences; Iowa Neuroscience Institute
- Record Identifier
- 9984002588002771
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