Organized Semantic Fluency and Executive Functioning in an Adult Clinical Sample and a Community Sample

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The study investigated an organized semantic fluency task, (the Controlled Animal Fluency Task - CAFT) as a measure of executive functioning (EF) in adults, and the relationship with instrumental activities of daily living (IADL). Participants (N = 266) consisted of a clinical sample (n = 142) utilizing neuropsychological assessment data collected at an outpatient psychological center, and a community sample (n = 124). The clinical sample was a heterogeneous mixed neurological group including a variety of health conditions and comorbid anxiety and depression. The CAFT Animals by Size demonstrated a significant positive correlation with Category Fluency (r = .71, n ... continued below

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v, 136 p.

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Chlipala, M. Linda August 2010.

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  • Chlipala, M. Linda

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Description

The study investigated an organized semantic fluency task, (the Controlled Animal Fluency Task - CAFT) as a measure of executive functioning (EF) in adults, and the relationship with instrumental activities of daily living (IADL). Participants (N = 266) consisted of a clinical sample (n = 142) utilizing neuropsychological assessment data collected at an outpatient psychological center, and a community sample (n = 124). The clinical sample was a heterogeneous mixed neurological group including a variety of health conditions and comorbid anxiety and depression. The CAFT Animals by Size demonstrated a significant positive correlation with Category Fluency (r = .71, n = 142, p < .001) , Animal Fluency (r = .70, n = 142, p < .001), and with other, established neuropsychological measures. The CAFT Animals by Size condition demonstrated a significant moderate negative correlation with IADL for the sample as a whole (r = -.46, n = 248, p < .001), and for the clinical sample (r = -.38, n = 129, p < .001), but not for the community sample. In a hierarchical regression analysis, CAFT Animal by Size explained additional variance in IADL (&#916;R2 = .15). In a hierarchical regression analysis predicting IADL with the control variables entered first, followed by Category Fluency, with CAFT Animal by Size entered last, CAFT Animals by Size did not make a significant additional contribution. A stepwise forward regression indicated Category Fluency, education, and Category Switching are better predictors of IADL than CAFT Animals by Size. Normative data for the CAFT were calculated separately for age groups and education levels. Simple logistic regression indicated CAFT Animal by Size was a significant predictor of clinical or community group membership. A second logistic regression analysis indicated the CAFT Animal by Size condition improved the prediction of membership in the clinical versus the community group, compared to the MMSE alone. Applications of the CAFT are discussed.

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v, 136 p.

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  • August 2010

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  • Jan. 6, 2011, 6:55 a.m.

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  • Jan. 16, 2014, 2:07 p.m.

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Chlipala, M. Linda. Organized Semantic Fluency and Executive Functioning in an Adult Clinical Sample and a Community Sample, dissertation, August 2010; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc30445/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .