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Impaired executive functioning influences verbal memory in anorexia nervosa
J Oltra-Cucarella1, L Rojo Moreno2, P Arribas Sáiz3
1Complejo Hospitalario Universitario de Cartagena, Murcia, Spain.
Eating Behaviors
|December 3, 2014
Summary
Speed of information processing and inhibition significantly impact delayed verbal recall in females with anorexia nervosa (AN). These cognitive functions explain a large portion of memory performance, offering insights into AN-related cognitive deficits.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Clinical Psychology
Background:
- Executive functioning's role in delayed verbal recall in anorexia nervosa (AN) remains unexplored.
- This study investigates how speed of information processing (SIP) and inhibition affect delayed verbal recall in females with AN.
Purpose of the Study:
- To determine the influence of SIP and inhibition on delayed verbal recall in females with AN.
- To understand the contribution of these executive functions to memory performance in AN.
Main Methods:
- 35 females with AN were assessed for SIP and inhibition.
- Hierarchical multiple regression was used, controlling for age, depressive symptoms, and BMI.
- Predictors were evaluated using structure coefficients, common variance, and dominance weights.
Main Results:
- SIP and inhibition combined explained nearly 80% of the variance in delayed verbal recall.
- After controlling for other variables, SIP and inhibition still accounted for over 50% of the variance.
Conclusions:
- Basic cognitive abilities like SIP and cognitive inhibition may impact delayed verbal memory in AN, independent of immediate recall.
- Findings may aid in interpreting cognitive test performance in future AN research.
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