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Article

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Accepted version

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2016-09-01

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cc-by-nc-nd (c) Elsevier, 2016
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/206720

Measuring intellectual ability in cerebral palsy: The comparison of three tests and their neuroimaging correlates

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https://doi.org/10.1016/j.ridd.2016.04.009

Abstract

Standard intelligence scales require both verbal and manipulative responses, making it difficult to use in cerebral palsy and leading to underestimate their actual performance. This study aims to compare three intelligence tests suitable for the heterogeneity of cerebral palsy in order to identify which one(s) could be more appropriate to use. Forty-four subjects with bilateral dyskinetic cerebral palsy (26 male, mean age 23 years) conducted the Raven's Coloured Progressive Matrices (RCPM), the Peabody Picture Vocabulary Test -3rd (PPVT-III) and the Wechsler Nonverbal Scale of Ability (WNV). Furthermore, a comprehensive neuropsychological battery and magnetic resonance imaging were assessed. The results show that PPVT-III gives limited information on cognitive performance and brain correlates, getting lower intelligence quotient scores. The WNV provides similar outcomes as RCPM, but cases with severe motor impairment were unable to perform it. Finally, the RCPM gives more comprehensive information on cognitive performance, comprising not only visual but also verbal functions. It is also sensitive to the structural state of the brain, being related to basal ganglia, thalamus and white matter areas such as superior longitudinal fasciculus. So, the RCPM may be considered a standardized easy-to-administer tool with great potential in both clinical and research fields of bilateral cerebral palsy.

Subject

Paràlisi cerebral, Imatges per ressonància magnètica, Tests d'intel·ligència

Subject (English)

Cerebral palsy, Magnetic resonance imaging, Intelligence tests

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Articles publicats en revistes (Psicologia Clínica i Psicobiologia)

Citation

BALLESTER PLANÉ, Júlia, et al. Measuring intellectual ability in cerebral palsy: The comparison of three tests and their neuroimaging correlates. Research in Developmental Disabilities. 2016. Vol. 56, num. 83-98. ISSN 0891-4222. [consulted: 9 of August of 2026]. Available at: https://hdl.handle.net/2445/206720

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