<prompt> Which is not true about hallucination -It is as vivid as normal stimulusIt occurs in inner subjective spaceIt is independent of will of observerIt occurs in absence of perceptual stimuli  <response>: Characteristics of Hallucinations:-The absence of corresponding external perceptual stimuliVividness, force and the real value of normal perception.The experience occurs spontaneouslyIt cannot be produced or terminated at will by subject not in conscious or voluntary control.Perceived as being in external objective space.Have relative permanency i.e. remain constant and unchanged.Hallucinations are usually experienced alongside and simultaneously with normal perception. 