The bradykinesia akinesia incoordination test (BRAIN TEST©), an objective and user-friendly means to evaluate patients with Parkinsonism

The BRAIN TEST©, a computerized alternating finger tapping test, was performed on 154 patients with parkinsonism to assess whether the test could be used as an objective tool to evaluate reliably the severity of Parkinson's disease (PD). Patients were instructed to tap two marked computer keybo...

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Bibliographic Details
Published in:Movement disorders 2000-07, Vol.15 (4), p.641-647
Main Authors: Homann, Carl Nikolaus, Suppan, Klaudia, Wenzel, Karoline, Giovannoni, Gavin, Ivanic, Gert, Horner, Susanne, Ott, Erwin, Hartung, Hans Peter
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Biological and medical sciences
Computerized test
Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases
Diagnosis, Computer-Assisted
Disease severity
Female
Finger-tapping
Humans
Hypokinesia - classification
Hypokinesia - diagnosis
Internet
Male
Medical sciences
Microcomputers
Middle Aged
Motor Activity
Neurologic Examination - methods
Neurology
Objective evaluation
Parkinson Disease - classification
Parkinson Disease - diagnosis
Parkinsonism
Psychomotor Disorders - classification
Psychomotor Disorders - diagnosis
Reaction Time
Reference Values
Software
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Summary:The BRAIN TEST©, a computerized alternating finger tapping test, was performed on 154 patients with parkinsonism to assess whether the test could be used as an objective tool to evaluate reliably the severity of Parkinson's disease (PD). Patients were instructed to tap two marked computer keyboard keys as fast and as accurately as possible for 60 seconds. The test generates the following variables: (1) kinesia score (KS)—number of keystrokes/min, (2) akinesia time (AT)—cumulative time that keys are depressed, (3) dysmetria score (DS)—a weighted score generated from incorrectly hit keys and corrected for speed, and (4) arrhythmia score (AS)—variance of the time interval between individual keystrokes. Among parkinsonian patients, we found a significant correlation between the four test parameters and PD rating scores of the Hoehn & Yahr, Schwab & England, and Unified PD Rating Scales (KS, AS, and AT p
ISSN:0885-3185
1531-8257
DOI:10.1002/1531-8257(200007)15:4<641::AID-MDS1007>3.0.CO;2-2