"central nervous system infections (e.g. Epstein-Barr virus, influenza A, H1N1, varicella, lyme disease, scarlet fever)"
"seizures/epilepsy (e.g. temporal lobe epilepsy)"
"focal central nervous system lesions (e.g. stroke, trauma, brain tumours)"
"psychiatric conditions (e.g. schizoaffective disorder, schizophrenia)"
"recreational drugs (e.g. lysergic acid diethylamide (LSD), toluene)"
"degenerative brain diseases (e.g. Creutzfeldt-Jakob disease)"
"medications (e.g. topiramate, montelukast, dextromethorphan)"