Growth and Development in Adulthood among Persons with Intellectual Disability by Hefziba Lifshitz

Author:Hefziba Lifshitz
Language: eng
Format: epub
ISBN: 9783030383527
Publisher: Springer International Publishing

Furthermore, positive correlations were found both for health status and for ADL functioning with the fluid intelligence tests of the three adult age cohorts. Findings indicated that health status and ADL skills contributed significantly to the explained variance of both fluid tests (Block Design, Raven). In all, fluid intelligence in the Down syndrome etiology appears to be more prone to age (Devenny et al., 2000) and is associated with health problems and ADL functioning.

Contribution of Exogenous Factors (Participation in Cognitively Stimulating Activities) to the Crystallized and Fluid Test Battery

The regression indicated that participation in more highly cognitively stimulating activities (e.g., playing chess, checkers, or card games; reading; using laptops or tablets; participating in academic courses) in one’s everyday life, even without explicit focus on cognitive training, contributed significantly to the two crystallized intelligence tests (vocabulary and similarities) and to the Raven matrices, a fluid intelligence test (Raven et al., 1998). Thus, coinciding with Lifshitz-Vahav et al. (2016), this study supported cognitive activity theory, which was originally expounded for the typically developing population (Wilson & Bennett, 2003), as applicable to the population with Down syndrome. Cairns (2001) and Carmeli, Kessel, Coleman, and Ayalon (2002) showed the contribution of physical exercise on social engagement and ADL among adults with Down syndrome. The current study indicated the contribution of cognitively stimulating activities on crystallized and fluid intelligence in this etiology.

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