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Do self-monitoring accounts, a dominant account of the positive symptoms of schizophrenia, explain auditory verbal hallucination? In this essay, I argue that the account fails to answer crucial questions any explanation of auditory verbal hallucination must address. Where the account provides a plausible answer, I make the case for an alternative explanation: auditory verbal hallucination is no...

This article presents a report on the 2nd meeting of the International Consortium on Hallucination Research, held on September 12th and 13th 2013 at Durham University, UK. Twelve working groups involving specialists in each area presented their findings and sought to summarize the available knowledge, inconsistencies in the field, and ways to progress. The 12 working groups reported on the foll...

AIMS This study aimed to establish and compare the effects of brief sensory deprivation on individuals differing in trait hallucination proneness. METHOD Eighteen participants selected for high hallucination proneness were compared against 18 participants rating low on this trait. The presence of psychotic-like experiences (PLEs), and participants' cognitive appraisals of these, was evaluated...

leukotriene receptor antagonists(montelukast) have been used for many years in the treatment of asthma both acute and chronic stages. they are accepted commonly as safe but mostly possible side effects are ignored. however, montelukast also could lead to important adverse reactions like hallucinations. in literature only 2 reports have been found about hallucinations with it. one is a study whi...

BACKGROUND Auditory verbal hallucinations (AVHs) represent one of the most intriguing phenomena in schizophrenia, however, brain abnormalities underlying AVHs remain unclear. The present study examined the association between cortical thickness and AVHs in first-episode schizophrenia. METHOD High-resolution MR images were obtained in 49 first-episode schizophrenia (FES) patients and 50 well-m...

This article presents a report on the first meeting of the International Consortium on Hallucination Research, which took place on September 13-14, 2011 at the Institute of Psychiatry, London. The first day of the meeting served to reflect on the current state of knowledge regarding auditory hallucinations in different diagnostic groups, based on the presentations from the phenomenology, cognit...

Bill Fish’s book Perception, Hallucination, and Illusion is a rich, sweeping, and radical development of naı̈ve realism. At the core of his view is the idea that in perception we are acquainted with our environment and that in virtue of being so acquainted our experience has phenomenal character. There are many radical ideas in the book, but perhaps the most radical is the idea that when we hall...

When a subject views a visual stimulus paired with a brief click, a second click occurring approximately 80 ms later produces the hallucination of a second visual stimulus. We have used combinations of visual and sound stimuli to evoke cortical activity and have recorded the associated event-related potentials. We have recorded EPs in a conventional manner, and have calculated from multichannel...

What is the distinctively philosophical problem of perception? Here it is argued that it is the conflict between the nature of perceptual experience as it intuitively seems to us, and certain possibilities which are implicit in the very idea of experience: possibilities of illusion and hallucination. Perceptual experience seems to us to be a relation to its objects, a kind of ‘openness to the w...