Akademik
Ibn - illu
Ibn al-Haytham
Icelus
ichthyoallyeinotoxism
ictal blindness and hallucinations
ictal hallucination
ictal illusion
ictal metamorphopsia
ictal religious experience
idea of a presence
ideoplasm
idionecrophany
idiopathic autoscopy
idiopathic synaesthesia
idiophany
idioretinal light
idioretinal phenomenon
idioretinal sensation
idolum
Ikelos
illicit substances and hallucinations