All of the following are true about pseudohallucinations except ?

Ans.C. Are under voluntary controlPseudohallucinationPseudohallucination is a perceptual experience, which differs from a hallucination in that it appears to arise in the inner subjective space, not through one of the external sensory organs.Patients tend to describe these sensations as being perceived with the 'inner eye' or 'mind eye' (or ear).However, like true hallucinations pseudohallucinations are not under voluntary control.Example include: Distressing flashbacks in post-traumatic stress disorder or the recently bereaved widow waking up to briefly 'see' her husband sitting at the foot of the bed,