Journal article
The measurement of visual sampling during real-world activity in Parkinson's disease and healthy controls: A structured literature review
Journal of Neuroscience Methods, Vol.222, pp.175-188
2014
Abstract
Background
Visual sampling techniques are used to investigate the complex role of vision during real-world activities in Parkinson's disease. Earlier research is limited to static simple tasks or measurement of eye movements alone, but more recent investigations involve more real-world activities. The approach to the objective measurement of eye movements varies with respect to instrumentation, testing protocols, and mediating factors that may influence visual sampling.
Objectives
The aim of this review was to examine previous work measuring visual sampling during real-world activities in Parkinson's disease to inform the development of robust protocols. Within this review a real-world activity was considered to be a goal-orientated motor task involving more than one body segment such as reaching or walking.
Methods
Medline, Embase, PsychInfo, Scopus, Web of Knowledge, PubMed and the Cochrane library databases were searched. Two independent reviewers and an adjudicator screened articles that described quantitative visual sampling in people with Parkinson's disease and healthy controls.
Results
Twenty full-text articles were screened and 15 met inclusion/exclusion criteria. A wide range of instruments and outcome measures were reported which were generally used in a task-dependent manner. Instrument reliability and validity was insufficiently reported in all studies. Few studies considered mediators of visual sampling such as visual or cognitive deficits.
Conclusions
Future research is required to accurately characterise visual impairments in Parkinson's disease and during real-world activities. Composite use of instruments may be required to achieve reliability and validity of visual sampling outcomes which need to be standardised. Recommendations also include assessment of cognition and basic visual function.
Details
- Title
- The measurement of visual sampling during real-world activity in Parkinson's disease and healthy controls: A structured literature review
- Authors/Creators
- S. Stuart (Author/Creator) - Institute for Ageing and Health, Clinical Ageing Research Unit, Newcastle University, United Kingdom.L. Alcock (Author/Creator) - Institute for Ageing and Health, Clinical Ageing Research Unit, Newcastle University, United Kingdom.B. Galna (Author/Creator) - Institute for Ageing and Health, Clinical Ageing Research Unit, Newcastle University, United Kingdom.S. Lord (Author/Creator) - University of Newcastle AustraliaL. Rochester (Author/Creator) - Newcastle University
- Publication Details
- Journal of Neuroscience Methods, Vol.222, pp.175-188
- Publisher
- Elsevier
- Identifiers
- 991005546029507891
- Copyright
- © 2013 Elsevier B.V.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 1 Clinical & Life Sciences
- 1.7 Neuroscanning
- 1.7.661 Saccades
- Web Of Science research areas
- Biochemical Research Methods
- Neurosciences
- ESI research areas
- Neuroscience & Behavior