1. Suicide prevention: investigating novel ways to improve suicide prevention strategies
- Author
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van Bentum, Jaël Sierra and van Bentum, Jaël Sierra
- Abstract
This dissertation explored the effectiveness of an add-on module called Eye Movement Dual Task (EMDT) for treating intrusive suicide-related imagery, investigated identifying high-risk groups prone to suicide, and explored the experimental approach of intrusive memories and dual tasks. Chapter 1 provides a general introduction and highlights the global impact, prevalence rates, and demographic patterns of suicide. It explores at-risk populations, specific risk factors, intrusive suicidal mental imagery, and the challenges in predicting suicide. Chapter 2 investigates a risk marker that seems a new phenomenon – suicidal mental imagery. We describe theoretical approaches for suicide ideation and suicidal behavior and propose a model of suicidal intrusions by describing one of the assumed mechanisms in the etiology of suicide. Chapter 3 describes the initial stages of translating known experimental approaches (eye movements and dual tasks) to a clinical setting. This pilot study (N=6) aimed to evaluate the safety, tolerability, and feasibility of the EMDT add-on treatment based on Eye Movement Desensitization and Reprocessing (EMDR) but with omission of the installation of the positive cognition phase. Chapter 4 describes the study protocol of the Simagery project. This paper described the trial procedures for adding an EMDT intervention to regular treatment that may reduce the frequency and vividness of suicidal imagery. Chapter 5 describes the development of a new instrument (Suicidal Intrusions Attributes Scale; SINAS) to assess the severity and characteristics of suicidal intrusions and examines its psychometric properties. The brief SINAS measures six attributes of suicidal intrusions: frequency, controllability, closeness to a suicide attempt, distress/vividness, and compulsiveness. Chapter 6 includes results of a multi-center RCT on the efficacy of the EMDT add-on module. Adult suicidal psychiatric outpatients (N=91) with depressive symptoms were recruited acros
- Published
- 2024
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