Longitudinal changes in clock drawing test (CDT) performance before and after cognitive decline.

BACKGROUND: Many scoring systems exist for clock drawing task variants. However, none of them are reliable in evaluating longitudinal changes of cognitive function. The purpose of this study is to create a simple yet optimal scoring procedure to evaluate cognitive decline using a clinic-based sample...

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Bibliographic Details
Main Authors: Ping Wang, Langfeng Shi, Qianhua Zhao, Zhen Hong, Qihao Guo
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4038629?pdf=render