Schizophrenia research · 2008
The psychotomimetic states inventory (PSI): measuring psychotic-type experiences from ketamine and cannabis.
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Mason Oliver J, Morgan Celia J M, Stefanovic Ana, Curran H Valerie
Аннотация
BACKGROUND: This study reports a new measure of psychotomimetic states in the context of cannabis and ketamine use. The Psychotomimetic States Inventory (PSI) has sub-scales of Delusory Thinking, Perceptual Distortions, Cognitive Disorganization, Anhedonia, Mania and Paranoia.
METHODS: The PSI was administered in two independent group, repeated measures designs: an experimental study of ketamine and a naturalistic study of cannabis.
RESULTS: Both cannabis and ketamine produced reliable increases in ratings of psychotomimetic state effects across several sub-scales.
CONCLUSIONS: The PSI is a potentially useful measure of the nature and extent of the phenomenological effects of psychotropic drugs in schizophrenia-related research.
METHODS: The PSI was administered in two independent group, repeated measures designs: an experimental study of ketamine and a naturalistic study of cannabis.
RESULTS: Both cannabis and ketamine produced reliable increases in ratings of psychotomimetic state effects across several sub-scales.
CONCLUSIONS: The PSI is a potentially useful measure of the nature and extent of the phenomenological effects of psychotropic drugs in schizophrenia-related research.
Предметные рубрики MeSH
AdolescentAdultAffective SymptomsAnesthetics, DissociativeBipolar DisorderCognition DisordersDelusionsDronabinolFemaleHumansInfusions, IntravenousKetamineMarijuana AbuseParanoid DisordersPerceptual DistortionPersonality InventoryPsychoses, Substance-InducedSubstance Abuse DetectionSubstance-Related Disorders