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The EEG response to diffuse and patterned photic stimulation during acute untreated alcohol withdrawal
B J Fisch1, W A Hauser, J C Brust
1Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY.
Neurology
|March 1, 1989
Summary
Photomyogenic responses (PMR) are rare during acute alcohol withdrawal. Photoparoxysmal responses (PPR) were not observed, suggesting they may not directly result from alcohol withdrawal.
Area of Science:
- Neurology
- Neurophysiology
Background:
- Alcohol withdrawal can present with neurological symptoms.
- The role of photic stimulation in alcohol withdrawal is not fully understood.
Purpose of the Study:
- To investigate photomyogenic responses (PMR) and photoparoxysmal responses (PPR) in individuals undergoing acute alcohol withdrawal.
- To determine the prevalence of PMR and PPR during early alcohol withdrawal.
Main Methods:
- Prospective study of 49 individuals.
- Photic stimulation using diffuse and patterned stroboscopic light.
- Assessment of PMR and PPR before pharmacologic treatment.
Main Results:
- PMR occurred in only 2 (4%) of participants.
- PPR were not observed in any participant.
- Low incidence of PMR and absence of PPR during acute alcohol withdrawal.
Conclusions:
- PMR appear less common in acute alcohol withdrawal than previously suggested.
- PPR may not be a direct consequence of alcohol withdrawal syndrome.