Cannabis use in patients with schizophrenia: motivation for use and relation to clinical variables

Thesis

Cover

Title pages

Contents

General introduction

Chapter 1.1: Reasons for cannabis use and effects of cannabis use as reported by patients with psychotic disorders

Chapter 1.2: Implicit and explicit affective associations toward cannabis use in patients with recent-onset schizophrenia and healthy controls

Chapter 1.3: Craving for cannabis in patients with psychotic disorder, their non-affected siblings and healthy controls: psychometric analysis of the Obsessive Compulsive Drug Use Scale

Chapter 1.4: Cessation of cannabis use by patients with recent-onset schizophrenia and related disorders

Chapter 2.1: Age at onset of non-affective psychosis in relation to cannabis use, other drug use and gender

Chapter 2.2: Substance use in al large sample of patients with schizophrenia or related disorders and co-morbid obsessive-compulsive symptoms

Chapter 2.3: Cannabis and cognitive performance in psychosis: a cross-sectional study in patients with non-affective psychotic illness and their unaffected siblings

Chapter 3.1: Cannabis use and callosal white matter structure and integrity in recent-onset schizophrenia

Chapter 3.2: Letter to the editor. Reply to Fan and Hart

General discussion

Summary

Samenvatting

List of publications

Color figures

Stellingen