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. 2008 Mar;8(2):31–34. doi: 10.1111/j.1535-7511.2008.00227.x

TABLE 1.

Logsdail and Toone's Diagnostic Criteria for Postictal Psychosis

1. Episode of psychosis (often with confusion and delirium), developing within 1 week of a seizure or cluster of seizures;
2. Psychosis lasting at least 15 hours and less than 2 months;
3. Mental state characterized by delirium or delusions (e.g., paranoid, nonparanoid, delusional, misidentifications) or hallucinations (e.g., auditory, visual, somatosensory, olfactory) in clear consciousness;
4. No evidence of:
a) a history of treatment with antipsychotic medications or psychosis within the past 3 months,
b) antiepileptic drug toxicity,
c) an EEG demonstrating nonconvulsive status,
d) a recent history of head trauma or alcohol/drug intoxication or withdrawal (other than benzodiazepines used for epilepsy).