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Gratitude Intervention Modulates P3 Amplitude In A Temporal Discounting Task, Andrea L. Patalano, Sydney L. Lolli, Charles A. Sanislow

Charles A. Sanislow, Ph.D.

Rumination Is Associated With Diminished Performance Monitoring, Ema Tanovic, Greg Hajack, Charles A. Sanislow

Charles A. Sanislow, Ph.D.

Connecting Psychopathology Meta-Structure And Mechanisms, Charles A. Sanislow

Charles A. Sanislow, Ph.D.

No abstract provided.

Ratings For Emotion Film Clips, Crystal A. Cabert-Quillen, Ellen E. Bartolini, Benjamin T. Abravanel, Charles A. Sanislow

Charles A. Sanislow, Ph.D.

Personality Disorder Risk Factors For Suicide Attempts Over 10 Years Of Follow-Up, Emily B. Ansell, Aidan G. C. Wright, John C. Markowitz, Charles A. Sanislow, Christopher J. Hopwood, Mary C. Zanarini, Shirley Yen, Anthony Pinto, Thomas H. Mcglashan, Carlos M. Grilo

Charles A. Sanislow, Ph.D.

Identifying personality disorder (PD) risk factors for suicide attempts is an important consideration for research and clinical care alike. However, most prior research has focused on single PDs or categorical PD diagnoses without considering unique influences of different PDs or of severity (sum) of PD criteria on the risk for suicide-related outcomes. This has usually been done with cross-sectional or retrospective assessment methods. Rarely are dimensional models of PDs examined in longitudinal, naturalistic prospective designs. In addition, it is important to consider divergent risk factors in predicting the risk of ever making a suicide attempt versus the risk of making …

Interactions Of Borderline Personality Disorder And Anxiety Disorders Over Ten Years, Alex S. Keuroghlian,, John G. Gunderson, Maria E. Pagano, John C. Markowitz, Emily B. Ansell, M. Tracie Shea, Leslie C. Morey, Charles A. Sanislow, Carlos M. Grilo, Robert L. Stout, Mary C. Zanarini, Thomas H. Mcglashan, Andrew E. Skodol

Charles A. Sanislow, Ph.D.

Interactions Of Borderline Personality Disorder And Mood Disorders Over Ten Years, John G. Gunderson, Robert L. Stout, M. Tracie Shea, Carlos M. Grilo, John C. Markowitz, Leslie C. Morey, Charles A. Sanislow, Shirley Yen, Mary C. Zanarini, Alex S. Keuroghlian, Thomas H. Mcglashan, Andrew E. Skodol

Charles A. Sanislow, Ph.D.

Objective: To examine the relationship of borderline personality disorder (BPD) to mood disorders by using data from the Collaborative Longitudinal Personality Disorders Study on the reciprocal interactions of BPD with both depressive and bipolar disorders over the course of 10 years.

Method: The study included 223 BPD patients with DSM-IV–defined co-occurring major depressive disorder (MDD) (n = 161), bipolar I disorder (n = 34), and bipolar II disorder (n = 28) who were reliably and prospectively assessed over a period of 10 years between 1997 and 2009. Proportional hazards regression analyses were used to assess the effects of improvement or …

Personality Heterogeneity In Ptsd: Distinct Temperamental And Interpersonal Typologies, Katherine M. Thomas, Christopher J. Hopwood, M. Brent Donnellan, Aidan G. C. Wright, Charles A. Sanislow, Meghan E. Mcdevitt-Murphy, Emily B. Ansell, Carlos M. Grilo, Thomas H. Mcglashan, M. Tracie Shea, John C. Markowitz, Andrew E. Skodol, Mary C. Zanarini, Leslie C. Morey

Charles A. Sanislow, Ph.D.

Researchers examining personality typologies of posttraumatic stress disorder (PTSD) have consistently identified 3 groups: low pathology, internalizing, and externalizing. These groups have been found to predict functional severity and psychiatric comorbidity. In this study, we employed Latent Profile Analysis to compare this previously established typology, grounded in temperament traits (negative emotionality; positive emotionality; constraint), to a novel typology rooted in interpersonal traits (dominance; warmth) in a sample of individuals with PTSD (n = 155). Using Schedule for Nonadaptive and Adaptive Personality (SNAP) traits to create latent profiles, the 3-group temperament model was replicated. Using Interpersonal Circumplex (IPC) traits to create …

Convergent And Incremental Predictive Validity Of Clinician, Self-Report, And Structured Interview Diagnoses For Personality Disorders Over 5 Years, Douglas B. Samuel, Charles A. Sanislow, Christopher J. Hopwood, M. Tracie Shea, Andrew E. Skodol, Leslie C. Morey, Emily B. Ansell, John C. Markowitz, Mary C. Zanarini, Carlos M. Grilo

Charles A. Sanislow, Ph.D.

OBJECTIVE: Research has demonstrated poor agreement between clinician-assigned personality disorder (PD) diagnoses and those generated by self-report questionnaires and semistructured diagnostic interviews. No research has compared prospectively the predictive validity of these methods. We investigated the convergence of these 3 diagnostic methods and tested their relative and incremental validity in predicting independent, multimethod assessments of psychosocial functioning performed prospectively over 5 years.

METHOD: Participants were 320 patients in the Collaborative Longitudinal Personality Disorders Study diagnosed with PDs by therapist, self-report, and semistructured interview at baseline. We examined the relative incremental validity of therapists' naturalistic ratings relative to these other diagnostic …

Individuals With Single Versus Multiple Suicide Attempts Over 10 Years Of Prospective Follow-Up, Christina L. Boisseaua, Shirley Yen, John C. Markowitz, Carlos M. Grilo, Charles A. Sanislow, M. Tracie Shea, Mary C. Zanarini, Andrew E. Skodol, John G. Gunderson, Leslie C. Morey, Thomas H. Mcglashan

Charles A. Sanislow, Ph.D.

Background: The study attempted to identify characteristics that differentiate multiple suicide attempters from single attempters in individuals with personality disorders (PDs) and/or major depression.

Method: Participants were 431 participants enrolled in the Collaborative Longitudinal Study of Personality Disorders from July 1996 to June 2008. Suicide attempts were assessed with the Longitudinal Interval Follow-up Evaluation at 6 and 12months, then yearly through 10years. Logistic regression was used to compare single attempters to multiple attempters on Axis I and II psychiatric disorders and personality trait variables.

Results: Twenty-one percent of participants attempted suicide during the 10years of observation, with 39 (9.0%) reporting …

Prospective Investigation Of A Ptsd Personality Typology Among Individuals With Personality Disorders, Meghan E. Mcdevitt-Murphy, M. Tracie Shea, Shirley Yen, Carlos M. Grilo, Charles A. Sanislow, John C. Markowitz, Andrew E. Skodol

Charles A. Sanislow, Ph.D.

This study investigated the replicability of a previously proposed personality typology of posttraumatic stress disorder (PTSD, and explored stability of cluster membership over a 6-month period. Participants with current PTSD (n = 156) were drawn from the Collaborative Longitudinal Personality Disorders Study (CLPS). The CLPS project tracked a large sample of individuals who met criteria for 1 of 4 target diagnoses (borderline, schizotypal, avoidant, and obsessive-compulsive) and a contrast group of individuals who met criteria for depression but no personality disorder. A cluster analysis using scales from the Schedule of Nonadaptive and Adaptive Personality yielded 3 clusters: “internalizing,” “externalizing,” and …

Long-Term Outcomes In Borderline Psychopathology: Old Assumptions, Current Findings, And New Directions, Charles A. Sanislow, Katherine L. Marcus, Elizabeth M. Reagan

Charles A. Sanislow, Ph.D.

Borderline personality disorder (BPD) and historical variants of the diagnosis were long held to represent an intractable syndrome of psychopathology consisting of interpersonal, intrapsychic, and affective disturbances. For years, patients labeled “borderline” were regarded pejoratively due at least in part to the lack of effective treatments. Prospective data from recent naturalistic follow-along studies along with the development of treatments with empirically demonstrated efficacy have changed how BPD is viewed. It is now less common to hide the diagnosis from the patient, and BPD has become a useful label to guide the treatment process and help the patient make sense of …

Interpersonal Pathoplasticity In The Course Of Major Depression, Nicole M. Cain, Emily B. Ansell, Aidan G. C. Wright, Christopher J. Hopwood, Katherine M. Thomas, Anthony Pinto, John C. Markowitz, Charles A. Sanislow, Mary C. Zanarini, M. Tracie Shea, Leslie C. Morey, Thomas H. Mcglashan, Andrew E. Skodol, Carlos M. Grilo

Charles A. Sanislow, Ph.D.

Objective: The identification of reliable predictors of course in major depressive disorder (MDD) has been difficult. Evidence suggests that the co-occurrence of personality pathology is associated with longer time to MDD remission. Interpersonal pathoplasticity, the mutually influencing nonetiological relationship between psychopathology and interpersonal traits, offers an avenue for examining specific personality vulnerabilities that may be associated with depressive course. Method: This study examined 312 participants with and without a cooccurring personality disorder diagnosis who met criteria for a current MDD episode at baseline and who were followed for 10 years in the Collaborative Longitudinal Personality Disorders Study. Results: Latent profile …

Self-Harm Subscale Of The Schedule Of Nonadaptive And Adaptive Personality (Snap): Predicting Suicide Attempts Over 8 Years Of Follow-Up, Shirley Yen, M. Tracie Shea, Zach Walsh, Maria O. Edelen, Christopher J. Hopwood, John C. Markowitz, Emily B. Ansell, Leslie C. Morey, Carlos M. Grilo, Charles A. Sanislow, Andrew E. Skodol, John G. Gunderson, Mary C. Zanarini, Thomas H. Mcglashan

Charles A. Sanislow, Ph.D.

Objective: We examined the predictive power of the self-harm subscale of the Schedule for Nonadaptive and Adaptive Personality (SNAP) to identify suicide attempters in the Collaborative Longitudinal Study of Personality Disorders (CLPS).

Method: The SNAP, a self-report personality inventory, was administered to 733 CLPS participants at baseline, of whom 701 (96%) had at least 6 months of follow-up data. Cox proportional hazards regression analyses were performed to examine the SNAP–self-harm subscale (SNAP- SH) in predicting the 129 suicide attempters over 8 years of follow-up. Possible moderators of prediction were examined, including borderline personality disorder, major depressive disorder (MDD), and substance …

The Association Of Personality Disorders With The Prospective 7-Year Course Of Anxiety Disorders, Emily B. Ansell, Anthony Pinto, Maria O. Edelen, John C. Markowitz, Charles A. Sanislow, Shirley Yen, Mary C. Zanarini, Andrew E. Skodol, M. Tracie Shea, Leslie C. Morey, John G. Gunderson, Thomas H. Mcglashan, Carlos M. Grilo

Charles A. Sanislow, Ph.D.

Background. This study prospectively examined the natural clinical course of six anxiety disorders over 7 years of follow-up in individuals with personality disorders (PDs) and/or major depressive disorder. Rates of remission, relapse, new episode onset and chronicity of anxiety disorders were examined for specific associations with PDs.

Method. Participants were 499 patients with anxiety disorders in the Collaborative Longitudinal Personality Disorders Study, who were assessed with structured interviews for psychiatric disorders at yearly intervals throughout 7 years of follow-up. These data were used to determine probabilities of changes in disorder status for social phobia (SP), generalized anxiety disorder (GAD), obsessive-compulsive …

Psychometric Characteristics And Clinical Correlates Of Neo-Pi-R Fearless Dominance And Impulsive Antisociality In The Collaborative Longitudinal Personality Disorders Study, Edward A. Witt, Christopher J. Hopwood, Leslie C. Morey, John C. Markowitz, Thomas H. Mcglashan, Carlos M. Grilo, Charles A. Sanislow, M. Tracie Shea, Andrew E. Skodol, John G. Gunderson, M. Brent Donnellan

Charles A. Sanislow, Ph.D.

This study evaluates the validity of derived measures of the psychopathic personality traits of Fearless Dominance and Impulsive Antisociality from the NEO Personality Inventory-Revised (NEO-PI-R; Costa & McCrae, 1992) using data from the Collaborative Longitudinal Personality Disorders Study (baseline N = 733). These 3 issues were examined: (a) the stability of the measures over a 10-year interval, (b) their criterion-related validity, and (c) their incremental validity relative to an alternative NEO-PI-R profile-rating approach for assessing psychopathy. NEO-PI-R Fearless Dominance and Impulsive Antisociality scales were relatively stable across 10 years and demonstrated differential associations with measures of personality pathology and psychopathology …

Trajectories Of Ptsd And Substance Use Disorders In A Longitudinal Study Of Personality Disorders, Meghan E. Mcdevitt-Murphy, Gilbert R. Parra, M. Tracie Shea, Shirley Yen, Carlos M. Grilo, Charles A. Sanislow, Thomas H. Mcglashan, John G. Gunderson, Andrew E. Skodol, John C. Markowitz

Charles A. Sanislow, Ph.D.

The Stability Of Personality Traits In Individuals With Borderline Personality Disorder, Christopher J. Hopwood, Daniel A. Newman, M. Brent Donnellan, John C. Markowitz, Carlos M. Grilo, Charles A. Sanislow, Emily B. Ansell, M. Tracie Shea, Andrew E. Skodol, Thomas H. Mcglashan, John G. Gunderson, Mary C. Zanarini, Leslie C. Morey

Charles A. Sanislow, Ph.D.

Although stability and pervasive inflexibility are general criteria for Diagnostic and Statistical Manual of Mental Disorders, 4th edition (American Psychiatric Association, 1994) personality disorders (PDs), borderline PD (BPD) is characterized by instability in several domains, including interpersonal behavior, affect, and identity. The authors hypothesized that such inconsistencies notable in BPD may relate to instability at the level of the basic personality traits that are associated with this disorder. Five types of personality trait stability across 4 assessments over 6 years were compared for BPD patients (N = 130 at first interval) and patients with other PDs (N = 302). Structural …

The Convergent And Discriminant Validity Of Five-Factor Traits: Current And Prospective Social, Work, And Recreational Dysfunction, Christopher J. Hopwood, Leslie C. Morey, Emily B. Ansell, Carlos M. Grilo, Charles A. Sanislow, Thomas H. Mcglashan, John C. Markowitz, John G. Gunderson, Shirley Yen, M. Tracie Shea, Andrew E. Skodol

Charles A. Sanislow, Ph.D.

The convergent and discriminant validity of Five Factor Model (FFM) personality traits with concurrent and prospective social, work, and recreational dysfunction was assessed in a large, longitudinal clinical sample. Consistent with five factor theoretical expectations, neuroticism is broadly related to dysfunction across domains; extraversion is primarily related to social and recreational dysfunction; openness to recreational dysfunction; agreeableness to social dysfunction; and conscientiousness to work dysfunction. Findings support five factor theory and the clinical assessment of normative personality traits.

Personality Traits As Prospective Predictors Of Suicide Attempts, Shirley Yen, M. Tracie Shea, Charles A. Sanislow, Andrew E. Skodol, Carlos M. Grilo, Maria O. Edelen, Robert L. Stout, Leslie C. Morey, Mary C. Zanarini, John C. Markowitz, Thomas H. Mcglashan, Maria T. Daversa, John G. Gunderson

Charles A. Sanislow, Ph.D.

OBJECTIVE: To examine higher order personality factors of negative affectivity (NA) and disinhibition (DIS), as well as lower order facets of impulsivity, as prospective predictors of suicide attempts in a predominantly personality disordered sample.

METHOD: Data were analyzed from 701 participants of the Collaborative Longitudinal Personality Disorders Study with available follow-up data for up to 7 years. Cox proportional hazards regression analyses was used to examine NA and DIS, and facets of impulsivity (e.g. urgency, lack of perseverance, lack of premeditation and sensation seeking), as prospective predictors of suicide attempts.

RESULTS: NA, DIS and all facets of impulsivity except for …

Differential Impairment As An Indicator Of Sex Bias In Dsm-Iv Criteria For Four Personality Disorders., Christina D. Boggs, Leslie C. Morey, Andrew E. Skodol, M. Tracie Shea, Charles A. Sanislow, Carlos M. Grilo, Thomas H. Mcglashan, Mary C. Zanarini, John G. Gunderson

Charles A. Sanislow, Ph.D.

This reprinted article originally appeared in Psychological Assessment, 2005, Vol. 17, (No. 4), 492–496. (The following abstract of the original article appeared in record 2005-16347-014.) The aim of the present study was to investigate the possibility of sex bias in the diagnostic criteria for borderline, schizotypal, avoidant, and obsessive–compulsive personality disorders. A clinical sample of 668 individuals was evaluated for personality disorder criteria using a semistructured interview, and areas of functional impairment were assessed with both self-report and semistructured interview. The authors used a regression model of bias to identify bias as differences in slopes or intercepts between men and …

Ten-Year Stability And Latent Structure Of The Dsm-Iv Schizotypal, Borderline, Avoidant, And Obsessive-Compulsive Personality Disorders, Charles A. Sanislow, Todd D. Little, Carlos M. Grilo, Maria Daversa, John C. Markowitz, Anthony Pinto, M. Tracie Shea, Shirley Yen, Andrew E. Skodol, Leslie C. Morey, John G. Gunderson, Mary C. Zanarini, Thomas H. Mcglashan

Charles A. Sanislow, Ph.D.

Evaluation of the validity of personality disorder (PD) diagnostic constructs is important for the impending revision of the Diagnostic and Statistical Manual of Mental Disorders. Prior factor analytic studies have tested these constructs in cross-sectional studies, and models have been replicated longitudinally, but no study has tested a constrained longitudinal model. The authors examined 4 PDs in the Collaborative Longitudinal Personality Disorders study (schizotypal, borderline, avoidant, and obsessive-compulsive) over 7 time points (baseline, 6 months, 1 year, 2 years, 4 years, 6 years, and 10 years). Data for 2-, 4-, 6- and 10-year assessments were obtained in semistructured interviews by …

The Construct Validity Of Rule-Breaking And Aggression In An Adult Clinical Sample, Christopher J. Hopwood, S. Alexandra Burt, John C. Markowitz, Shirley Yen, M. Tracie Shea, Charles A. Sanislow, Carlos M. Grilo, Emily B. Ansell, Thomas H. Mcglashan, John G. Gunderson, Mary C. Zanarini, Andrew E. Skodol, Leslie C. Morey

Charles A. Sanislow, Ph.D.

Previous research has demonstrated that aggression (AGG) and non-aggressive rule-breaking (RB) represent elements of antisocial behavior with different etiological mechanisms and associations to personality and psychopathology. However, these constructs have not been investigated in an adult clinical sample. In the current study, interview and self-report derived AGG and RB were associated with personality traits and disorders as well as functioning across several domains, family history, concurrent psychopathology, and prospective behaviors. Both AGG and RB were similarly related to disagreeableness. RB was uniquely related to low conscientiousness, cluster B personality disorders, functioning, problems in childhood, suicide risk, arrests, and substance use …

Improvement In Borderline Personality Disorder In Relationship To Age, M. Tracie Shea, Maria O. Edelen, Shirley Yen, John G. Gunderson, Andrew E. Skodol, Charles A. Sanislow, Carlos M. Grilo, Emily B. Ansell, Maria T. Daversa, Mary C. Zanarini, Thomas H. Mcglashan, Leslie C. Morey

Charles A. Sanislow, Ph.D.

Objective: It is commonly believed that some features of borderline personality disorder (BPD) improve as individuals reach their late 30s and 40s. This study examined age-related change in borderline criteria and functional impairment, testing the hypothesis that older age would be associated with relatively more improvement than younger age.

Method: A total of 216 male and female participants with BPD were followed prospectively with yearly assessments over 6 years.

Results: Participants showed similar rates of improvement in borderline features regardless of age. A significant age by study year interaction showed functioning in older subjects to reverse direction and begin to …

New Onsets Of Substance Use Disorders In Borderline Personality Disorder Over 7 Years Of Follow-Ups: Findings From The Collaborative Longitudinal Personality Disorders Study, Marc Walter, John G. Gunderson, Mary C. Zanarini, Charles A. Sanislow, Carlos M. Grilo, Thomas H. Mcglashan, Leslie C. Morey, Shirley Yen, Robert L. Stout, Andrew E. Skodol

Charles A. Sanislow, Ph.D.

Aims: The purpose of this study was to examine whether patients with borderline personality disorder (BPD) have a higher rate of new onsets of substance use disorders (SUD) than do patients with other personality disorders (OPD).

Design: This study uses data from the Collaborative Longitudinal Personality Disorder Study (CLPS), a prospective naturalistic study with reliable repeated measures over 7 years of follow-up.

Setting: Multiple clinical sites in four northeastern US cities.

Participants: A total of 175 patients with BPD and 396 patients with OPD (mean age 32.5 years) were assessed at baseline and at 6, 12, 24, 36, 48, 60, …

New Episodes And New Onsets Of Major Depression In Borderline And Other Personality Disorders, John G. Gunderson, Robert L. Stout, Charles A. Sanislow, M. Tracie Shea, Thomas H. Mcglashan, Mary C. Zanarini, Maria T. Daversa, Carlos M. Grilo, Shirley Yen, Andrew E. Skodol

Charles A. Sanislow, Ph.D.

Background: In the context of much literature and conjecture about the relationship of personality disorders (PD) and major depressive disorder (MDD), this paper uses longitudinal data to assess the frequency with which PD patients, and especially those with borderline personality disorder (BPD), have recurrences (for patients with lifetime histories), or new onsets (for patients without lifetime histories) of MDD. Methods: A sample of 478 PD patients received reliable repeated follow-up assessments over a period of 6 years. The rates of new onsets and recurrences of MDD in all PD patients, and in BPD patients compared to OPD patients were analyzed. …

Ethnicity And Mental Health Treatment Utilization By Patients With Personality Disorders, Donna S. Bender, Andrew E. Skodol, Ingrid R. Dyck, John C. Markowitz, M. Tracie Shea, Shirley Yen, Charles A. Sanislow, Anthony Pinto, Mary C. Zanarini, Thomas H. Mcglashan, John G. Gunderson, Maria T. Daversa, Carlos M. Grilo

Charles A. Sanislow, Ph.D.

The authors examined the relationship between ethnicity and treatment utilization by individuals with personality disorders (PDs). Lifetime and prospectively determined rates and amounts of mental health treatments received were compared in over 500 White, African American, and Hispanic participants with PDs in a naturalistic longitudinal study. Minority, especially Hispanic, participants were significantly less likely than White participants to receive a range of outpatient and inpatient psychosocial treatments and psychotropic medications. This pattern was especially pronounced for minority participants with more severe PDs. A positive support alliance factor significantly predicted the amount of individual psychotherapy used by African American and Hispanic …

Positive Childhood Experiences: Resilience And Recovery From Personality Disorder In Early Adulthood, Andrew E. Skodol, Donna S. Bender, Maria E. Pagano, M. Tracie Shea, Shirley Yen, Charles A. Sanislow, Carlos M. Grilo, Maria T. Daversa, Robert L. Stout, Mary C. Zanarini, Thomas H. Mcglashan, John G. Gunderson

Charles A. Sanislow, Ph.D.

OBJECTIVE: Recent follow-along studies of personality disorders have shown significant improvement in psychopathology over time. The purpose of this study was to prospectively investigate the association between positive childhood experiences related to resiliency and remission from personality disorder.

METHOD: Five hundred twenty patients with DSM-IV-based semistructured interview diagnoses of schizotypal, borderline, avoidant, or obsessive-compulsive personality disorders were evaluated 6 times over 4 years between September 1996 and June 2002. Positive childhood experiences, including achievements, positive interpersonal relationships with others, and caretaker competencies, were measured using the Childhood Experiences Questionnaire-Revised. The effects of positive childhood experiences on clinically significant remission from …

Longitudinal Effects Of Personality Disorders On Psychosocial Functioning Of Patients With Major Depressive Disorder, John C. Markowitz, Andrew E. Skodol, Eva Petkova, Jianfeng Cheng, Charles A. Sanislow, Carlos M. Grilo, John G. Gunderson, Thomas H. Mcglashan

Charles A. Sanislow, Ph.D.

OBJECTIVE: No previous research has focused on psychosocial functioning in understanding how personality disorders compound the impairment caused by major depressive disorder over time. This report describes the effects of persistent and remitting comorbid personality disorders on the depressive status and functioning of patients with major depressive disorder over the course of 2 years.

METHOD: Longitudinal data on functioning from the first 2 years of the Collaborative Longitudinal Personality Disorders Study were evaluated for 3 groups of subjects with major depressive disorder: subjects with major depressive disorder alone (N = 103), those with persistent comorbid personality disorders (N = 164), …

Beliefs About Essences And The Reality Of Mental Disorders, Woo-Kyoung Ahn, Elizabeth H. Flanagan, Jessecae K. Marsh, Charles A. Sanislow

Charles A. Sanislow, Ph.D.

Do people believe mental disorders are real and possess underlying essences? The current study found that both novices and practicing clinicians held weaker essentialist beliefs about mental disorders than about medical disorders. They were also unwilling to endorse the idea that mental disorders are real and natural. Furthermore, compared with novices, mental health clinicians were less likely to endorse the view that there is a shared cause underlying a mental disorder and that one needs to remove the cause to get rid of the mental disorder. Clinicians were polarized on their views about whether mental disorders are categorical or dimensional. …