'I believe the book is of great interest to qualified psychiatrists and academic researchers, and may be of higher standard to psychiatric residents and medical students, and for its purpose, I believe it is a good buy.' Saudi Medical Journal
'The book is an authoritative source of information for researchers and clinicians who are seriously interested in learning about these ephemeral clinical states that challenge researchers and clinicians alike … it is a most welcome central source of information about the seminal research contributions form other continents … The authors have skillfully woven a beautiful tapestry with the research threads of various parts of the world.' Journal of Clinical Psychiatry
'The book is very well written and presented.' Quarterly Journal of Mental Health