21. :The auditory hallucinations associated with Schizophrenia are often described as " hearing voices ". 22. Auditory hallucinations are the most prevalent type of hallucinations.23. Since infants are not allowed to leave Earth, Popov assumes he had an auditory hallucination . 24. Like auditory hallucinations , the source of the visual counterpart can also be behind the subject's back. 25. High caffeine consumption has been linked to an increase in the likelihood of experiencing auditory hallucinations . 26. A number of more recent studies provide additional evidence to right hemisphere involvement in auditory hallucinations . 27. These auditory hallucinations differ from an internal monologue which is usually imagined in the first person. 28. The pattern of these auditory hallucinations is variable. 29. Studies have mostly concentrated on positive symptoms like auditory hallucinations ; research on negative symptoms is lacking. 30. Harmann was found to suffer from auditory hallucinations and paranoia, and was diagnosed with prodromal schizophrenia.