Item Response Theory Analysis of the MDS-UPDRS Items
Objective: To investigate the measurement characteristics of the MDS-UPDRS using item response theory (IRT) approaches. Background: The MDS-UPDRS has become the most frequently used assessment…Motor Heterogeneity in Parkinson’s Disease: A Bayesian Perspective
Objective: To identify motor symptom subtypes in idiopathic Parkinson’s disease (PD) using a Bayesian analytic approach to latent profile analysis. Background: Several subtypes of Parkinson’s…Experience and outcomes of the first Movement Disorders Clinic in Honduras.
Objective: To describe the frequency and clinical characteristics using standardized scales in patients with movement disorders (MD) recruited by a referral system in Tegucigalpa, Honduras.…Is cognitive decline similar among Parkinson’s disease motor sub-types? A prospective study examining changes over time in gait, balance and cognition
Objective: To investigate whether changes over time in cognitive and motor functions differ across the postural instability gait difficulty (PIGD) and tremor dominant (TD) motor…Reliability of Continuous Parkinson’s Assessment Using Wearables
Objective: To evaluate test-retest reliability and determine the optimal number of days of use for wearable sensors and a mobile software app to continuously and…Evaluating wearable sensors for objective measurement of motor features in Parkinson disease and Huntington disease – a pilot study
Objective: Evaluate the feasibility of wearable sensors in measuring motor features of individuals with PD, HD, prodromal HD, and controls in clinic and at home.…A Service Evaluation of the Clinical Use of Parkinson’s KinetiGraph (PKG) Movement Recording System in the Assessment of Parkinson’s Disease Patients with Tremor
Objective: To evaluate the clinical usefulness of PKG Movement Recording System in the assessment process to aid recognition and understanding of tremor in patients with Parkinson’s disease…Ortostatic myoclonus: A report of four cases
Objective: To highlight the presentation of orthostatic myoclonus and to increase awareness of this syndrome amongst neurologists and physicians. Background: Orthostatic unsteadiness (unsteadiness on standing)…Nystagmus in essential tremor
Objective: To identify nystagmus in patients with essential tremor (ET). Background: ET often affects the hands resulting in postural and kinetic tremor. The head, leg,…Dystonia, tremor, and dystonic tremor
Objective: To provide guidance for current debates regarding the nosology of tremor in dystonia. Background: Dystonia is defined as a disorder with sustained or intermittent…
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