cyan - déjà
- cyanopia
- cyanopsia
- d-nightmare
- daltonism
- dancing mania and hallucinations
- dancing plague
- dark light
- dark side of Oz
- dark side of the rainbow
- datura hallucination
- David's definition of hallucinations
- day blindness
- daydream
- daymare
- De Clérambault syndrome
- De Maupassant, Guy
- dead-weight hallucination
- deafferentiation hypothesis of hallucinatory activity
- deafferentiation pain
- deafness
- deathbed apparition
- deathbed escort
- deathbed vision
- defective corollary discharge model for verbal auditory hallucinations
- defective revisualization
- deformation phosphene
