Other adverse effects described (Craven, 1989) are uncomfortable kinaesthetic sensations, mild dissociation, feelings of guilt and, via anxiety-provoking phenomena, psychosis-like symptoms, grandiosity, elation, destructive behaviour and suicidal feelings. Kutz et al. (1985a,b) described feelings of defencelessness, which in turn produce unpleasant affective experiences, such as fear, anger, apprehension and despair. Sobbing and hidden memories and themes from the past, such as incest, rejection, and abandonment appeared in intense, vivid forms and challenged the subject's previously constructed image of their past and themselves. On the other hand, it is not uncommon to encounter a meditator who claims that has found 'the answers' when in fact he has been actively engaged in a subtle manoeuvre of avoiding his basic questions.
What I have seen is bizarre hallucinations related to communications from Hindu gods. Total neglect of a child. Belief of imminent death ...... and of course rejection of mainstream teaching.