Which of the following is true about hallucination except aEUR'

It depends upon the will of the observer & 'c' i.e., Occurs in inner subjective space Hallucination It is a perception in the absence of stimulus. In a stricter sense, hallucinations are defined as perceptions in conscious and awake state m the absence of external stimuli which have qualities of real perception in that they are vivid, substantial and located in external objective space. There are six elements of hallucination:? - They are substantial - They appear in external objective space - They are clearly delineated - They are constant - They are independent of the will of the observer - Their sensory elements are full and fresh Also know Pseudohallucinations occurs in inner subjective space.