The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.
Fluid intelligence after frontal lobe lesions
Abstract
Generally positive correlations between different ability tests provide the evidence for a factor of "general intelligence" or Spearman's g. Though a possible neural substrate for g is suggested by executive impairments following frontal lobe lesions, preserved IQs in some frontal patients have been taken as strong evidence against this interpretation. We show that such results depend on how g is measured. Patients with superior IQs on the most clinically popular test--the Wechsler Adult Intelligence Scale--show impairments of 20-60 points on conventionally measured fluid intelligence or novel problem solving. On psychometric grounds, it is fluid intelligence that is most closely related to Spearman's g. The data suggest that g may in large part be a reflection of frontal functions.
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“Thus it would seem that in the same way as there is growing evidence for the fractionation of executive cognitive functions (see, e.g., Burgess, 1997; Burgess & Shallice, 1994, 1996a, 1996c; Duncan et al., 1995; Goldstein et al., 1993), the syndrome may fractionate also at the behavioral level.”
From The ecological validity of tests of executive function (1998) · cites this paper as Duncan et al., 1995
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“It would appear that at least some conventional IQ tests do not tap many aspects of the cognitive and everyday problems shown by dysexecutive patients (see Burgess, 1997; Duncan et al., 1995, for further discussion of the relationship between IQ and executive function).”
From The ecological validity of tests of executive function (1998) · cites this paper as Duncan et al., 1995
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Metadata
- Authors
- Duncan, J., Burgess, P., & Emslie, H.
- Affiliations
- University College London (GB)
- ORCID
- Burgess, Paul
- Venue
- Neuropsychologia
- Publisher
- Elsevier BV
- Published
- 1995-03
- Volume
- 33
- Issue
- 3
- Pages
- 261-268
- ISSN
- 0028-3932 (ISSN-L)
- OpenAlex
- W1973477197
- Cited by
- 537
- References
- 34
- Citations by year
- 2026: 6 · 2025: 8 · 2024: 8 · 2023: 7 · 2022: 24 · 2021: 24 · 2020: 20 · 2019: 21 · 2018: 19 · 2017: 21 · 2016: 26 · 2015: 20 · 2014: 26 · 2013: 20 · 2012: 21
- FWCI
- 14.73
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neuropsychologia (publishedVersion)
- PubMed (publishedVersion)
- UCL Discovery (University College London) (submittedVersion)
- Funders
- U.S. Air Force
- Topics
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
- Social Sciences › Psychology › Clinical Psychology › Historical and Modern Theater Studies
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Keywords
- fluid intelligence, general intelligence, Spearman's g, frontal lobe lesions, executive function, Wechsler Adult Intelligence Scale, IQ, novel problem solving, neuropsychological assessment
- MeSH terms
- Adult, Brain Diseases, Frontal Lobe, Humans, Intelligence, Learning, Male, Memory Disorders, Middle Aged, Wechsler Scales
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