Thomas A. Widiger

Bio: Thomas A. Widiger is an academic researcher from University of Kentucky. The author has contributed to research in topics: Personality & Personality disorders. The author has an hindex of 93, co-authored 420 publications receiving 30003 citations. Previous affiliations of Thomas A. Widiger include Columbia University & American Psychological Association.

The Hierarchical Taxonomy of Psychopathology (HiTOP): A Dimensional Alternative to Traditional Nosologies

Abstract: The reliability and validity of traditional taxonomies are limited by arbitrary boundaries between psychopathology and normality, often unclear boundaries between disorders, frequent disorder co-occurrence, heterogeneity within disorders, and diagnostic instability. These taxonomies went beyond evidence available on the structure of psychopathology and were shaped by a variety of other considerations, which may explain the aforementioned shortcomings. The Hierarchical Taxonomy Of Psychopathology (HiTOP) model has emerged as a research effort to address these problems. It constructs psychopathological syndromes and their components/subtypes based on the observed covariation of symptoms, grouping related symptoms together and thus reducing heterogeneity. It also combines co-occurring syndromes into spectra, thereby mapping out comorbidity. Moreover, it characterizes these phenomena dimensionally, which addresses boundary problems and diagnostic instability. Here, we review the development of the HiTOP and the relevant evidence. The new classification already covers most forms of psychopathology. Dimensional measures have been developed to assess many of the identified components, syndromes, and spectra. Several domains of this model are ready for clinical and research applications. The HiTOP promises to improve research and clinical practice by addressing the aforementioned shortcomings of traditional nosologies. It also provides an effective way to summarize and convey information on risk factors, etiology, pathophysiology, phenomenology, illness course, and treatment response. This can greatly improve the utility of the diagnosis of mental disorders. The new classification remains a work in progress. However, it is developing rapidly and is poised to advance mental health research and care significantly as the relevant science matures. (PsycINFO Database Record

Plate tectonics in the classification of personality disorder: shifting to a dimensional model.

Abstract: The diagnostic categories of the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders were developed in the spirit of a traditional medical model that considers mental disorders to be qualitatively distinct conditions (see, e.g., American Psychiatric Association, 2000). Work is now beginning on the fifth edition of this influential diagnostic manual. It is perhaps time to consider a fundamental shift in how psychopathology is conceptualized and diagnosed. More specifically, it may be time to consider a shift to a dimensional classification of personality disorder that would help address the failures of the existing diagnostic categories as well as contribute to an integration of the psychiatric diagnostic manual with psychology's research on general personality structure.

Diagnostic and Statistical Manual of Mental Disorders (DSM-IV-TR)

Abstract: The Diagnostic and Statistical Manual of Mental Disorders, fourth edition, text revision (DSM-IV-TR) (American Psychiatric Association [APA], 2000) is a compendium of mental disorders, a listing of the criteria used to diagnose them, and a detailed system for their definition, organization, and classification. Put simply, it is the primary diagnostic manual for mental health professionals in the United States and much of the Western world. Diagnosis refers to the identification and labeling of a mental disorder by examination and analysis. Mental health professionals diagnose individuals based on the symptoms that they report experiencing and the signs of illness with which they present. The DSM-IV-TR aids professionals in understanding and diagnosing mental disorders through its provision of explicit diagnostic criteria and an official classification system. Keywords: diagnosis; classification; mental illness; psychopathology

Loss, Trauma, and Human Resilience Have We Underestimated the Human Capacity to Thrive After Extremely Aversive Events?

Abstract: Many people are exposed to loss or potentially traumatic events at some point in their lives, and yet they continue to have positive emotional experiences and show only minor and transient disruptions in their ability to function. Unfortunately, because much of psychology’s knowledge about how adults cope with loss or trauma has come from individuals who sought treatment or exhibited great distress, loss and trauma theorists have often viewed this type of resilience as either rare or pathological. The author challenges these assumptions by reviewing evidence that resilience represents a distinct trajectory from the process of recovery, that resilience in the face of loss or potential trauma is more common than is often believed, and that there are multiple and sometimes unexpected pathways to resilience. M ost people are exposed to at least one violent or life-threatening situation during the course of their lives (Ozer, Best, Lipsey, & Weiss, 2003). As people progress through the life cycle, they are also increasingly confronted with the deaths of close friends and relatives. Not everyone copes with these potentially disturbing events in the same way. Some people experience acute distress from which they are unable to recover. Others suffer less intensely and for a much shorter period of time. Some people seem to recover quickly but then begin to experience unexpected health problems or difficulties concentrating or enjoying life the way they used to. However, large numbers of people manage to endure the temporary upheaval of loss or potentially traumatic events remarkably well, with no apparent disruption in their ability to function at work or in close relationships, and seem to move on to new challenges with apparent ease. This article is devoted to the latter group and to the question of resilience in the face of loss or potentially traumatic events. The importance of protective psychological factors in the prevention of illness is now well established (Taylor, Kemeny, Reed, Bower, & Gruenewald, 2000). Moreover, developmental psychologists have shown that resilience is common among children growing up in disadvantaged conditions (e.g., Masten, 2001). Unfortunately, because most of the psychological knowledge base regarding the ways adults cope with loss or potential trauma has been derived from individuals who have experienced significant psychological problems or sought treatment, theorists working in this area have often underestimated and misunderstood resilience, viewing it either as a pathological state or as something seen only in rare and exceptionally healthy individuals. In this article, I challenge this view by reviewing evidence that resilience in the face of loss or potential trauma represents a distinct trajectory from that of recovery, that resilience is more common than often believed, and that there are multiple and sometimes unexpected pathways to resilience.

Negative affectivity: The disposition to experience aversive emotional states

Abstract: A number of apparently diverse personality scales—variously called trait anxiety, neuroticism, ego strength, general maladjustment, repression-sensitization, and social desirability—are reviewed and are shown to be in fact measures of the same stable and pervasive trait. An integrative interpretation of the construct as Negative Affectivity (NA) is presented. Extensive data indicate that high-NA individuals are more likely to experience discomfort at all times and across situations, even in the absence of overt stress. They are relatively more introspective and tend differentially to dwell on the negative side of themselves and the world. Further research is needed to explain the origins of NA and to elucidate the characteristics of low-NA individuals. Rorer and Widiger (1983) recently bemoaned that in the field of personality "literature reviews appear to be disparate conglomerations rather than cumulative or conclusive integrations" (p. 432). We intend this review to be an exception to this discouraging statement. Distinct and segregated literatures have developed around a number of specific personality measures that, despite dissimilar names, nevertheless intercorrelate so highly that they must be considered measures of the same construct. Following Tellegen (1982), we call this construct Negative Affectivity (NA) and present a comprehensive view of the trait that integrates data from a wide variety of relevant research. We are not the first to note this broad and pervasive personality trait. The Eysencks, for example, (e.g. Eysenck & Eysenck, 1968) have done extensive research in the area, traditionally calling the dimension "Neuroticism," although in their most recent revision (Eysenck & Eysenck, 1975) they suggest a label, "emotionality," that is similar to our own. Nonetheless, in discussing the relation between our interpretation and previous views of the domain, we argue for the preferability of our term, Negative Affectivity. We also present

Handbook of positive psychology

Abstract: Psychology has long been enamored of the dark side of human existence, rarely exploring a more positive view of the mind. What has psychology contributed, for example, to our understanding of the various human virtues? Regrettably, not much. The last decade, however, has witnessed a growing movement to abandon the exclusive focus on the negative. Psychologists from several subdisciplines are now asking an intriguing question: "What strengths does a person employ to deal effectively with life?" The Handbook of Positive Psychology provides a forum for a more positive view of the human condition. In its pages, readers are treated to an analysis of what the foremost experts believe to be the fundamental strengths of humankind. Both seasoned professionals and students just entering the field are eager to grasp the power and vitality of the human spirit as it faces a multitude of life challenges. The Handbook is the first systematic attempt to bring together leading scholars to give voice to the emerging field of positive psychology.