Title Psychotic-like Experiences and Substance Use in College Students
Authors Fonseca-Pedrero, Eduardo , ORTUÑO SIERRA, JAVIER, Paino, Mercedes , Muniz, Jose
External publication No
Means Adicciones
Scope Article
Nature Científica
JCR Quartile 2
SJR Quartile 2
JCR Impact 2.07700
SJR Impact 0.65900
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-84975140631&doi=10.20882%2fadicciones.781&partnerID=40&md5=3e93e718fdbd55c55f1f6252c938c71f
Publication date 01/01/2016
ISI 000378334000003
Scopus Id 2-s2.0-84975140631
DOI 10.20882/adicciones.781
Abstract Psychotic disorders, as well as psychotic-like experiences and substance use, have been found to be associated. The main goal of the present study was to analyse the relationship between psychotic-like experiences and substance use in college students. The sample comprised a total of 660 participants (M = 20.3 years, SD = 2.6). The results showed that 96% of the sample reported some delusional experience, while 20.3% reported at least one positive psychotic-like experience. Some substance use was reported by 41.1% of the sample, differing in terms of gender. Substance users reported more psychotic-like experiences than non-users, especially in the positive dimension. Also, alcohol consumption predicted in most cases extreme scores on measures of delusional ideation and psychotic experiences. The association between these two variables showed a differentiated pattern, with a stronger relationship between substance use and cognitive-perceptual psychotic-like experiences. To some extent, these findings support the dimensional models of the psychosis phenotype and contribute a better understanding of the links between psychotic-like experiences and substance use in young adults. Future studies should further explore the role of different risk factors for psychotic disorders and include models of the gene-environment interaction.
Keywords Substance use; Addiction; Psychosis; Schizotypy; Cannabis; Psychotic-like experiences
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