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Validation of a Behavioral Approach for Measuring Saccades in Parkinson's Disease
- Source :
- Journal of motor behavior. 49(6)
- Publication Year :
- 2017
-
Abstract
- Speed and control of saccades are related to disease progression and cognitive functioning in Parkinson's disease (PD). Traditional eye-tracking complexities encumber application for individual evaluations and clinical trials. The authors examined psychometric properties of standalone tasks for reflexive prosaccade latency, volitional saccade initiation, and saccade inhibition (antisaccade) in a heterogeneous sample of 65 PD patients. Demographics had minimal impact on task performance. Thirty-day test-retest reliability estimates for behavioral tasks were acceptable and similar to traditional eye tracking. Behavioral tasks demonstrated concurrent validity with traditional eye-tracking measures; discriminant validity was less clear. Saccade initiation and inhibition discriminated PD patients with cognitive impairment. The present findings support further development and use of the behavioral tasks for assessing latency and control of saccades in PD.
- Subjects :
- Adult
Male
medicine.medical_specialty
Parkinson's disease
Psychometrics
Cognitive Neuroscience
Concurrent validity
Biophysics
Experimental and Cognitive Psychology
Neuropsychological Tests
050105 experimental psychology
03 medical and health sciences
0302 clinical medicine
Physical medicine and rehabilitation
medicine
Saccades
Dementia
Humans
0501 psychology and cognitive sciences
Orthopedics and Sports Medicine
Cognitive Dysfunction
Latency (engineering)
Aged
Aged, 80 and over
05 social sciences
Discriminant validity
Reproducibility of Results
Cognition
Parkinson Disease
Middle Aged
medicine.disease
Saccade
Behavior Rating Scale
Eye tracking
Female
Psychology
030217 neurology & neurosurgery
Cognitive psychology
Subjects
Details
- ISSN :
- 19401027
- Volume :
- 49
- Issue :
- 6
- Database :
- OpenAIRE
- Journal :
- Journal of motor behavior
- Accession number :
- edsair.doi.dedup.....ef23f8262670f4ba3987b0a8393ee203