Hallucinations and illusions General 16 Hallucinations 15 PSYCHOLOGY 14 MEDICAL 8 Diseases 6 Illusions 6 Auditory hallucinations 5 Hallucinations auditives 5 Psychiatry 5 Psychoses 5 Clinical Medicine 4 Evidence-Based Medicine 4 HEALTH & FITNESS 4 Internal Medicine 4 Maladies mentales 4 Mental Disorders 4 Mental illness 4 illusion (psychological concept) 4 Clinical Psychology 3 Hallucinogenic drugs 3 Hallucinogènes 3 Illusion (Philosophie) 3 Illusion (Philosophy) 3 Mental Health 3 Mental Illness 3 Mysticism 3 Neuropsychologie 3 Neuropsychology 3 Perceptual disorders 3