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Article

"On" state freezing of gait in Parkinson disease: a paradoxical levodopa-induced complication.

Neurology - 14 Feb 2012

Espay A J, Fasano A, van Nuenen B F L, Payne M M, Snijders A H, Bloem B R

Abstract excerpt

OBJECTIVE: To describe the phenotype of levodopa-induced "on" freezing of gait (FOG) in Parkinson disease (PD). METHODS: We present a diagnostic approach to separate "on" FOG (deterioration during the "on state") from other FOG forms. Four patients with PD with suspected "on" FOG were examined in the "off state" (>12 hours after last medication intake), "on state" (peak effect of usual medication), and "supra-on"...

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Source

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Identifiers

PMID: 22262741
DOI: 10.1212/WNL.0b013e3182477ec0
PMCID: PMC3466608

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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