Compromised visually guided motor control in individuals with Alzheimer’s disease: Can reliable distinctions be observed?

Abstract Identifying the multitude of deficits associated with dementia-related illnesses such as Alzheimer’s disease (AD) presents a significant challenge for many health care facilities, particularly as current screening procedures may lack the sensitivity to highlight all the relative functional...

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Bibliographic Details
Published in:Journal of clinical neuroscience 2012-05, Vol.19 (5), p.655-660
Main Authors: Tippett, William J, Sergio, Lauren E, Black, Sandra E
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Alzheimer Disease - complications
Alzheimer Disease - physiopathology
Alzheimer's disease
Computer assessment
Diagnosis, Differential
Female
Humans
Male
Middle Aged
Motor control
Motor task performance
Movement
Movement Disorders - diagnosis
Movement Disorders - etiology
Movement Disorders - physiopathology
Nervous system
Neurodegenerative diseases
Neurology
Perceptual Disorders - diagnosis
Perceptual Disorders - etiology
Perceptual Disorders - physiopathology
Psychomotor Performance - physiology
Vision
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Summary:Abstract Identifying the multitude of deficits associated with dementia-related illnesses such as Alzheimer’s disease (AD) presents a significant challenge for many health care facilities, particularly as current screening procedures may lack the sensitivity to highlight all the relative functional deficits within these populations. Although quick assessment screening tools, such as the Mini Mental State Exam (MMSE), have been the mainstay in screening patients worldwide, there are limitations to their ability in identifying visuomotor (VM) impairment. Thus, the primary objective of this research was to evaluate the presence and level of VM ability/deficits in healthy normal controls (NC) and populations with AD. The research also aimed to demonstrate that a VM measure can be utilized successfully in a busy health care setting. Results showed a clear distinction between the AD and NC groups on the VM measure. Large effect size differences were observed between groups, particularly as the VM task progressed through its varying conditions. In addition, this novel VM assessment measure demonstrated good presentation and speed and was appropriate for frontline staff in a primary healthcare setting to undertake further examination of an individual’s overall visually guided ability/control.
ISSN:0967-5868
1532-2653
DOI:10.1016/j.jocn.2011.09.013