Electrophysiologic testing in Parkinson's disease

Research output: Contribution to journalArticle

Abstract

Parkinson's disease (PD) is a neurodegenerative disease in which cell loss from the midbrain substantia nigra reduces levels of the neurotransmitter dopamine. Symptoms include tremor of the hands while at rest, slowed movements, stooped posture, tendency to fall, muscular rigidity, and small handwriting. At present there is no cure for PD. Medications, neurosurgical procedures, and nonpharmacologic interventions are quite effective in controlling symptoms. While electrophysiology has a limited role at present in the diagnosis of PD, certain abnormalities are revealed on testing. These include mild background slowing of the EEG, delayed movement- related mu dropout, low amplitude sensory and motor event-related cortical potentials, and subtle autonomic impairments. These abnormalities likely reflect the neural processing deficits that cause the characteristic symptom complex.

Original languageEnglish (US)
Pages (from-to)13-22
Number of pages10
JournalNeurodiagnostic Journal
Volume39
Issue number1
StatePublished - Mar 1999

Fingerprint

Parkinson Disease
Testing
Neurodegenerative diseases
Muscle Rigidity
Handwriting
Electrophysiology
Neurosurgical Procedures
Tremor
Substantia Nigra
Mesencephalon
Electroencephalography
Posture
Evoked Potentials
Rigidity
Neurodegenerative Diseases
Neurotransmitter Agents
Dopamine
Hand
Processing

Keywords

  • EEG
  • Movement-related cortical potentials
  • Parkinson's disease

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Neuropsychology and Physiological Psychology
  • Bioengineering
  • Medical Laboratory Technology

Cite this

Electrophysiologic testing in Parkinson's disease. / Arora, Anita; O'Suilleabhain, Padraig E.

In: Neurodiagnostic Journal, Vol. 39, No. 1, 03.1999, p. 13-22.

Research output: Contribution to journalArticle

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