Categorical vs dimensional classifications of psychotic disorders

Psychotic disorders and comorbidity: somatic illness vs. side effect.

BACKGROUND Schizophrenia often co-occurs with chronic medical illnesses. Beside comorbid somatic illness, somatic symptoms appear as a result of side effects of antipsychotics during treatment of psychotic disorders, which may lead to certain diagnostic problems in deciding regarding the origin of such symptoms (somatic illness vs. side effects). The aim of this article is to review literature ...

Chapter 1 Issues in Diagnosis : Categorical vs . Dimensional

Psychiatric diagnosis is fundamental to the understanding of mental illness. Without it, the study, assessment, and treatment of psychopathology would be in disarray. In this chapter, we examine: (1) the raison d’etre underlying psychiatric diagnosis; (2) widespread misconceptions regarding psychiatric diagnosis; (3) the present system of psychiatric diagnosis and its strengths and weaknesses; ...

Categorical vs. Dimensional Representations in Multimodal Affect Detection during Learning

Learners experience a variety of emotions during learning sessions with Intelligent Tutoring Systems (ITS). The research community is building systems that are aware of these experiences, generally represented as a category or as a point in a low-dimensional space. State-of-the-art systems detect these affective states from multimodal data, in naturalistic scenarios. This paper provides evidenc...

Should substance use disorders be considered as categorical or dimensional?

AIMS This paper discusses the representation of diagnostic criteria using categorical and dimensional statistical models. Conventional modeling using categorical or continuous latent variables in the form of latent class analysis and factor (IRT) analysis has limitations for the analysis of diagnostic criteria. METHODS New hybrid models are discussed which provide both categorical and dimensi...

Mental Disorders as Discrete Clinical Conditions: Dimensional Versus Categorical Classification