title: Reliability of three Benton Judgment of Line Orientation short forms in idiopathic Parkinson's disease.
abstract: Individuals with Parkinson's disease (PD) often exhibit deficits in visuospatial functioning throughout the course of their disease. These deficits should be carefully assessed as they may have implications for patient safety and disease severity. One of the most commonly administered tests of visuospatial ability, the Benton Judgment of Line Orientation (JLO), consists of 30 pairs of lines requiring the patient to match the orientation of two lines to an array of 11 lines on a separate page. Reliable short forms have been constructed out of the full JLO form, but the reliability of these forms in PD has yet to be examined. Recent functional MRI studies examining the JLO demonstrate right parietal and occipital activation, as well as bilateral frontal activation and PD is known to adversely affect these pathways. We compared the reliability of the original full form to three unique short forms in a sample of 141 non-demented, idiopathic PD patients and 56 age- and education-matched controls. Results indicated that a two-thirds length short form can be used with high reliability and classification accuracy in patients with idiopathic PD. The other short forms performed in a similar, though slightly less reliable manner.
authors: a Department of Clinical and Health Psychology , University of Florida , Gainesville , FL , USA.
authors: Joseph M
authors: JM
authors: Gullett
authors: Catherine C
authors: CC
authors: Price
authors: Peter
authors: P
authors: Nguyen
authors: Michael S
authors: MS
authors: Okun
authors: Russell M
authors: RM
authors: Bauer
authors: Dawn
authors: D
authors: Bowers
mesh_terms: D000368:Aged; D015986:Confounding Factors, Epidemiologic; D005260:Female; D006801:Humans; D007600:Judgment; D008297:Male; D008875:Middle Aged; D009483:Neuropsychological Tests / Q000592:standards*; D010300:Parkinson Disease / Q000503:physiopathology / Q000523:psychology*; D010364:Pattern Recognition, Visual; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D013028:Space Perception
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