Telephone assessment of cognitive function in adulthood: the Brief Test of Adult Cognition by Telephone

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Abstract
SIR—Increased understanding of cognitive function in normal ageing is of major importance for both theoretical advancement and practical public health reasons. Cognitive function plays a critical role in an individual’s ability to function independently across the lifespan, with substantial documented links to quality of life, morbidity [1], mortality [2] and dementia [3]. The Brief Test of Adult Cognition by Telephone (BTACT) addresses the need for a brief test that is sensitive to cognitive differences in normal ageing, including episodic verbal memory, working memory span and executive function [4], reasoning and speed of processing [5]. It includes tasks based on laboratory research as well as modified versions of well-documented psychometric tests that have been adapted for telephone administration with non-demented adults.

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