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Title: Textual Inference Comprehension in Mild Cognitive Impairment: The Influence of Semantic Processing and Verbal Episodic Memory
Authors: MAZIERO, Maria PaulaBELAN, Ariella Fornachari RibeiroCAMARGO, Marina von Zuben de ArrudaSILAGI, Marcela LimaFORLENZA, Orestes VicenteRADANOVIC, Marcia
Citation: FRONTIERS IN AGING NEUROSCIENCE, v.13, article ID 735633, 10p, 2021
Abstract: Language complaints, especially in complex tasks, may occur in mild cognitive impairment (MCI). Various language measures have been studied as cognitive predictors of MCI conversion to Alzheimer's type dementia. Understanding textual inferences is considered a high-demanding task that recruits multiple cognitive functions and, therefore, could be sensitive to detect decline in the early stages of MCI. Thus, we aimed to compare the performance of subjects with MCI to healthy elderly in a textual inference comprehension task and to determine the best predictors of performance in this ability considering one verbal episodic memory and two semantic tasks. We studied 99 individuals divided into three groups: (1) 23 individuals with amnestic mild cognitive impairment (aMCI), (2) 42 individuals with non-amnestic mild cognitive impairment (naMCI), (3), and (4) 34 cognitively healthy individuals for the control group (CG). A reduced version of The Implicit Management Test was used to assess different types of inferential reasoning in text reading. MCI patients performed poorer than healthy elderly, and there were no differences between MCI subgroups (amnestic and non-amnestic). The best predictors for inference-making were verbal memory in the aMCI and semantic tasks in the naMCI group. The results confirmed that the failure to understand textual inferences can be present in MCI and showed that different cognitive skills like semantic knowledge and verbal episodic memory are necessary for inference-making.</p>
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Artigos e Materiais de Revistas Científicas - FM/MPS
Departamento de Psiquiatria - FM/MPS

Artigos e Materiais de Revistas Científicas - HC/IPq
Instituto de Psiquiatria - HC/IPq

Artigos e Materiais de Revistas Científicas - LIM/23
LIM/23 - Laboratório de Psicopatologia e Terapêutica Psiquiátrica

Artigos e Materiais de Revistas Científicas - LIM/27
LIM/27 - Laboratório de Neurociências

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