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Generating Acute and Chronic Experimental Models of Motor Tic Expression in Rats

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Clinical Neurophysiological Evaluation for Simple Motor Tics.

Pattamon Panyakaew¹, Hyun Joo Cho², Mark Hallett²

¹Human Motor Control Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, USA, 20892; Department of Medicine, Faculty of Medicine, Chulalongkorn Center of Excellence on Parkinson Disease and Related Disorders, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand 10330.

Clinical Neurophysiology Practice

|October 26, 2016

Summary

This summary is machine-generated.

Simple motor tics are sudden movements often preceded by an urge. Careful clinical assessment and physiological approaches aid in diagnosing tics, distinguishing them from functional movement disorders.

Keywords:

EEG-EMG jerk-locked back-averaging functional movement disorders simple motor tics

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Area of Science:

Neurology
Movement Disorders

Background:

Simple motor tics involve sudden, nonrhythmic jerking movements.
These movements may be preceded by a premonitory urge and can be voluntarily suppressed.
Characteristics like variability and fluctuating course can mimic functional movement disorders.

Observation:

A case of motor tics presented with features that could be mistaken for functional movement disorders.
The patient exhibited sudden, jerky movements characteristic of tics.

Findings:

A combined physiological approach and thorough clinical assessment were instrumental in diagnosing the motor tics.
The diagnostic process highlighted the importance of detailed clinical evaluation.

Implications:

This case underscores the utility of physiological methods in diagnosing tic disorders.
Accurate diagnosis is crucial for appropriate management and differentiating tics from functional movement disorders.