PhotoParoxysmal Response on the EEG 

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Acute withdrawal of alcohol or barbiturates may also elicit bursts of spikes and polyspikes, particularly as a pho- toparoxysmal response (G. Bauer and R. Bauer, 2005; VanCott and Brenner, 2003). I have looked into BNZ withdrawal causing PPR and I was not able to find anything

Is there a medication for abnormal photo convulisive Note : the rest of EEG is normal

If u see evidence of PPR significantly, stop continuing PS...it may induce clinical seizures.

While doing ps, the patient should be in awake or sleep stage??

So usually PPR is done on eyes open or eyes cloure?