A hierarchical taxonomy of psychopathology can transform mental health research

Christopher C. Conway*, Miriam K. Forbes, Kelsie T. Forbush, Eiko I. Fried, Michael N. Hallquist, Roman Kotov, Stephanie N. Mullins-Sweatt, Alexander J. Shackman, Andrew E. Skodol, Susan C. South, Matthew Sunderland, Monika A. Waszczuk, David H. Zald, Mohammad H. Afzali, Marina A. Bornovalova, Natacha Carragher, Anna R. Docherty, Katherine G. Jonas, Robert F. Krueger, Praveetha PatalayAaron L. Pincus, Jennifer L. Tackett, Ulrich Reininghaus, Irwin D. Waldman, Aidan G. C. Wright, Johannes Zimmermann, Bo Bach, R. Michael Bagby, Michael Chmielewski, David C. Cicero, Lee Anna Clark, Tim Dalgleish, Colin G. DeYoung, Christopher J. Hopwood, Masha Y. Ivanova, Robert D. Latzman, Christopher J. Patrick, Camilo J. Ruggero, Douglas B. Samuel, David Watson, Nicholas R. Eaton

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    281 Citations (Scopus)
    34 Downloads (Pure)

    Abstract

    For more than a century, research on psychopathology has focused on categorical diagnoses. Although this work has produced major discoveries, growing evidence points to the superiority of a dimensional approach to the science of mental illness. Here we outline one such dimensional system—the Hierarchical Taxonomy of Psychopathology (HiTOP)—that is based on empirical patterns of co-occurrence among psychological symptoms. We highlight key ways in which this framework can advance mental-health research, and we provide some heuristics for using HiTOP to test theories of psychopathology. We then review emerging evidence that supports the value of a hierarchical, dimensional model of mental illness across diverse research areas in psychological science. These new data suggest that the HiTOP system has the potential to accelerate and improve research on mental-health problems as well as efforts to more effectively assess, prevent, and treat mental illness.

    Original languageEnglish
    Pages (from-to)419-436
    Number of pages18
    JournalPerspectives on Psychological Science
    Volume14
    Issue number3
    DOIs
    Publication statusPublished - 1 May 2019

    Keywords

    • mental illness
    • nosology
    • individual differences
    • transdiagnostic
    • Hierarchical Taxonomy of Psychopathology
    • HiTOP
    • ICD
    • DSM
    • RDoC

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