The objective of this study is to establish the effects of age, gender, and education and to provide preliminary normative data for letter and category fluency tasks in the Egyptian Arabic-speaking population. We evaluated 139 cognitively healthy volunteers aged 20-93 by adapting the letter and category verbal fluency tasks for the Egyptian population. On the letter fluency task, mean number of words generated in one-minute beginning with the Arabic letter "Sheen" (pronounced "sh") was 8.14 words per minute (SD = 3.25). Letter fluency was significantly influenced by education. On category fluency tasks, mean number of animal names generated in one minute was 14.63 words (SD = 5.28). Category fluency was significantly influenced by age and education. We were able identify that age significantly affects category fluency while education significantly affected both letter and category fluency. We were also able to provide preliminary normative data for both tasks in the Egyptian population.
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http://dx.doi.org/10.1080/23279095.2016.1185424 | DOI Listing |
J Neuropsychol
December 2024
Center for Language and Cognition Groningen (CLCG), University of Groningen, Groningen, The Netherlands.
Understanding lexico-semantic processing is crucial for dissecting the complexities of language and its disorders. Relatedness-based measures, or those which investigate the degree of relatedness in meaning between either task items or items produced by participants, offer the opportunity to harness novel computational and analytical techniques from cognitive network science. Recognizing the need to deepen our understanding of lexico-semantic deficits through diverse experimental and analytical approaches, this review explores the use of such measures in research into language disorders.
View Article and Find Full Text PDFJ Alzheimers Dis
December 2024
College of Health Solutions, School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, USA.
Neurobiol Aging
February 2025
Department of Psychology, School of Behavioral and Brain Sciences, Center for Vital Longevity, The University of Texas at Dallas, 1600 Viceroy Dr, Ste 800, Dallas, TX 75235 USA, United States. Electronic address:
Dopamine (DA) signaling is critical for optimal cognitive aging, especially in prefrontal-parietal and fronto-striatal networks. Single nucleotide polymorphisms associated with dopamine regulation, COMTVal158Met and DRD2C957T, stand to exert influence on executive function performance via neural properties. The current study investigated whether longitudinal thinning of mesocortical regions is related to COMT and DRD2 genetic predisposition and associated with decline in executive function over four-years.
View Article and Find Full Text PDFBrain Sci
November 2024
Department of Neuroscience, Catholic University of Sacred Heart, Fondazione Policlinico A. Gemelli, Istituto di Ricovero e Cura a Carattere Scientifico, 00168 Rome, Italy.
Appl Neuropsychol Adult
November 2024
Department of Neurology, Steel Memorial Yawata Hospital, Kitakyushu, Japan.
Purpose: To evaluate the cerebellar cognitive affective syndrome scale (CCAS-S) in patients with acute cerebellar stroke (ACS) and examine its relationship with the discharge destination.
Methods: Patients with first-time ACS admitted to our hospital between April 2021 and April 2023 were included. The CCAS-S, Mini-Mental State Examination (MMSE), and Scale for the Assessment and Rating of Ataxia (SARA) were evaluated 1 week after stroke onset, and Functional Independence Measure (FIM)/Barthel Index (BI) at discharge, duration of hospitalization, and discharge destination were evaluated.
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