Robert Kohn

Biographic Data

ID160051
NAMERobert Kohn
GIVEN NAMESRobert
FAMILY NAMEKohn
SIGNATUREKOHN R
AFFILIATIONSBrown University
ORCID0000-0001-8517-0719
VERIFIEDYes
TOTAL WORKS44
TOTAL CITATIONS36
AUTHOR COUNT43
EDITOR COUNT1
FIRST PUBLICATION YEAR1968
LATEST PUBLICATION YEAR2025
H-INDEX4

  • Modeling of demoralization in breast cancer

    Open AccessJohn M De Figueiredo, Robert Kohn et al.ARTICLEFrontiers in Psychiatry2025

    Early detection of demoralization and of the co-occurrence of depression and demoralization are essential for promoting the well-being of patients with breast cancer. Psychotherapy should focus on strengthening the modifiable negative correlates of demoralization, countering the modifiable positive correlates, and preventing the co-occurrence of demoralization and depression

  • Forensic psychiatric issues in intellectual disability

    Open AccessMark J Hauser, Robert KohnARTICLEBehavioral Sciences & the Law2024

    Forensic psychiatrists and neuropsychiatrists are likely to encounter individuals with intellectual disability as they are over‐represented in the judicial system. These individuals may have the full range of mental illnesses and comorbid conditions, including physical infirmity, sensory deficits, language impairment, and maladaptive behaviors. They are frequently disadvantaged in the judicial system due to lack of comprehension, lack of accommod…

  • The Block-Correlated Pseudo Marginal Sampler for State Space Models

    Open AccessDavid Gunawan, Pratiti Chatterjee et al.ARTICLEJournal of Business and Economic…2024

    Pseudo Marginal Metropolis-Hastings (PMMH) is a general approach to Bayesian inference when the likelihood is intractable, but can be estimated unbiasedly.Our article develops an efficient PMMH method that scales up better to higher dimensional state vectors than previous approaches.The improvement is achieved by the following innovations.First, a novel block version of PMMH that works with multiple particle filters is proposed.Second, the trimme…

  • A Statistical Recurrent Stochastic Volatility Model for Stock Markets

    Trong Nghia-Nguyen, Trong-Nghia Nguyen et al.ARTICLEJournal of Business and Economic…2023

    The stochastic volatility (SV) model and its variants are widely used in the financial sector, while recurrent neural network (RNN) models are successfully used in many large-scale industrial applications of deep learning. We combine these two methods in a nontrivial way and propose a model, which we call the statistical recurrent stochastic volatility (SR-SV) model, to capture the dynamics of stochastic volatility. The proposed model is able to …

  • Differential impact of resilience on demoralization and depression in Parkinson disease

    Open AccessJohn M De Figueiredo, Boheng Zhu et al.ARTICLEFrontiers in Psychiatry2023

    These results expand our understanding of resilience by suggesting that it is a mechanism evolved to reduce or prevent demoralization and not just depression. Reducing demoralization and strengthening resilience as part of a comprehensive treatment plan are likely to improve the prognosis of Parkinson disease

  • Recurrent conditional heteroskedasticity

    Open AccessTrong‐Nghia Nguyen, Minh‐Ngoc Tran et al.ARTICLEJournal of Applied Econometrics2022

    We propose a new class of financial volatility models, called the REcurrent Conditional Heteroskedastic (RECH) models, to improve both in‐sample analysis and out‐of‐sample forecasting of the traditional conditional heteroskedastic models. In particular, we incorporate auxiliary deterministic processes, governed by recurrent neural networks, into the conditional variance of the traditional conditional heteroskedastic models, for example, GARCH‐typ…

  • From Perceived Stress to Demoralization in Parkinson Disease: A Path Analysis

    Open AccessJohn M De Figueiredo, Boheng Zhu et al.ARTICLEFrontiers in Psychiatry2022

    Early treatment and reversal of subjective incompetence and anxiety could potentially prevent the escalation of demoralization and the associated disruption in health-related quality of life and eventual suicide

  • Mixed Marginal Copula Modeling

    David Gunawan, Mohamad A Khaled et al.ARTICLEJournal of Business and Economic…2020

    This article extends the literature on copulas with discrete or continuous marginals to the case where some of the marginals are a mixture of discrete and continuous components. We do so by carefully defining the likelihood as the density of the observations with respect to a mixed measure. The treatment is quite general, although we focus on mixtures of Gaussian and Archimedean copulas. The inference is Bayesian with the estimation carried out b…

  • Mental health in the Americas: An overview of the treatment gap

    Open AccessRobert Kohn, Ali Ahsan Ali et al.ARTICLERevista Panamericana de Salud…2018

    The treatment gap for mental health remains a public health concern. A high proportion of adults, children, and indigenous individuals with serious mental illness remains untreated. The result is an elevated prevalence of mental disorders and global burden of disease

  • Geriatric Forensic Psychiatry

    Jacob Holzer, Robert Kohn et al.BOOKGeriatric Forensic Psychiatry2017

    Geriatric Forensic Psychiatry: Principles and Practice is one of the first texts to provide a comprehensive review of important topics in the intersection of geriatric psychiatry, medicine, clinical neuroscience, forensic psychiatry, and law. It will speak to a broad audience among varied fields, including clinical and forensic psychiatry and mental health professionals, geriatricians and internists, attorneys and courts, regulators, and other pr…

  • Working with the Elderly Defendant through the Adjudicative Process: Principles and Practice

    Barry W Wall, Jacob Holzer et al.BOOKGeriatric Forensic Psychiatry2017

    As the U.S. population ages, there will be more cases of elder abuse, neglect, and financial exploitation and, consequently, an increase in elderly criminal defendants in the criminal justice system. Because elderly persons appear in criminal court most frequently as crime victims, understanding the problems and needs of the elderly defendant receives less attention. This chapter reviews the cognitive and psychological changes with normal aging, …

  • Previous Violent Events and Mental Health Outcomes in Guatemala

    Victor D Puac-Polanco, Victor Puac‐Polanco et al.ARTICLEAmerican Journal of Public Health2015Cited by: 2References: 29

    Objectives. We analyzed a probability sample of Guatemalans to determine if a relationship exists between previous violent events and development of mental health outcomes in various sociodemographic groups, as well as during and after the Guatemalan Civil War. Methods. We used regression modeling, an interaction test, and complex survey design adjustments to estimate prevalences and test potential relationships between previous violent events an…

  • Psychiatric epidemiology and international mental health as a career in cultural psychiatry

    Open AccessRobert KohnARTICLETranscultural Psychiatry2011Cited by: 1References: 34

    Psychiatric epidemiology is one of the many paths to a career in cultural psychiatry. Psychiatric epidemiology has made numerous substantive contributions to cultural psychiatry. Areas in which psychiatric epidemiologists have contributed to cultural psychiatry include the undertaking of cross-national comparisons, studying the mental health of populations of importance to cultural psychiatry, studying risk factors that are of cultural importance…

  • Racial/ethnic and sexual behavior disparities in rates of sexually transmitted infections, San Francisco, 1999-2008

    Open AccessHyman Scott, Hyman M Scott et al.ARTICLEBMC Public Health2010

    For all racial/ethnic groups in San Francisco, MSM carried a substantially higher burden of STIs compared to non-MSM except among African-American men. These racial and sexual behavior disparities warrant further public health attention and resources

  • Efficient Bayesian Inference for Multiple Change-Point and Mixture Innovation Models

    Paolo Giordani, Robert KohnARTICLEJournal of Business and Economic…2008

    Time series subject to parameter shifts of random magnitude and timing are commonly modeled with a change-point approach using Chib's algorithm to draw the break dates. We outline some advantages of an alternative approach in which breaks come through mixture distributions in state innovations, and for which the sampler of Gerlach, Carter, and Kohn allows reliable and efficient inference. We show how the same sampler can be used to model shifts i…

  • Textbook of Cultural Psychiatry

    Open AccessPedro Ruiz, L J Kirmayer et al.BOOKTextbook of Cultural Psychiatry2007

    Cultural psychiatry is concerned with understanding the impact of social and cultural differences and similarities on mental illness and its treatments. A person's cultural characteristics can often lead to misunderstandings, influenced by language, non-verbal styles, codes of etiquette and assumptions. There may also be perceived misconceptions and differences in beliefs and values. In order to provide appropriate, sensitive and acceptable servi…

  • Global Assessment of Relational Functioning Scale (Garf): A Validity Study in Patients with Recurrent Major Depression in Brazil

    Open AccessAndréa F Mello, Sergio Luis Blay et al.ARTICLETranscultural Psychiatry2007Cited by: 4References: 10

    The Global Assessment of Relational Functioning Scale (GARF) has been proposed as an additional domain on Axis V, yet few validation studies have been conducted. This study examines the validity of the Brazilian-Portuguese version of the GARF. An experienced family therapist interviewed 34 families in which one member had a diagnosis of DSM-IV recurrent major depression. A semi-structured family interview was used to classify families into functi…

  • Intimate Partner Violence and Long-Term Psychosocial Functioning in a National Sample of American Women

    Open AccessCaron Zlotnick, Dawn M Johnson et al.ARTICLEJournal of Interpersonal Violence2006

    Using a nationally representative sample of American married or cohabiting women, this prospective study examined women who reported or denied intimate partner violence (IPV) at wave 1 and compared them on a range of psychosocial outcomes at a 5-year follow-up. This study also examined the rate of divorce or separation during the 5-year interval among women who reported IPV at wave 1 and explored whether certain predictors were related to ending …

  • Psychiatric Disorders among the Mapuche in Chile

    Open AccessBenjamin Vicente, Robert Kohn et al.ARTICLEInternational Journal of Social…2005

    Background: The Mapuche are the largest indigenous group in Chile; yet almost all data on the mental health of indigenous populations are from North America. Aim: The study examines the differential DSM-III-R prevalence rates of psychiatric disorders and service utilization among indigenous and non-indigenous community residence. Methods: The Composite International Diagnostic Interview (CIDI) was administered to a stratified random sample of 75 …

  • Los trastornos mentales en América Latina y el Caribe: Asunto prioritario para la salud pública

    Open AccessRobert Kohn, Itzhak Levav et al.ARTICLERevista Panamericana de Salud…2005

    OBJETIVO: La creciente carga de trastornos mentales que afecta a las poblaciones de América Latina y el Caribe es demasiado grande para hacer caso omiso de ella. Por lo tanto, es una necesidad impostergable conocer la prevalencia de los trastornos mentales y la brecha de tratamiento, que está dada por la diferencia entre las tasas de prevalencia verdadera y las de las personas que han sido tratadas, que en algunos casos es grande pese a la existe…

  • Psychological and psychopathological reactions in Honduras following Hurricane Mitch: Implications for service planning

    Open AccessRobert Kohn, Itzhak Levav et al.ARTICLERevista Panamericana de Salud…2005

    Out of a total population of 3.3 million adults (age 15 and older) in Honduras, it is estimated that over 492,000 of them may have developed PTSD due to Hurricane Mitch.

  • Patrones de uso de servicios entre adultos con problemas de salud mental, en Chile

    Open AccessBenjamin Vicente, Robert Kohn et al.ARTICLERevista Panamericana de Salud…2005

    Our results confirm the existence of a wide gap between the need for care and the treatment that is actually received. The informal and folkloric alternative resources (priests, family members, healers, herbalists, etc.) were used less frequently than is generally believed to be true. The indirect barriers of access to services--linked to a lack of knowledge and to stigma--were more frequent than were the direct barriers. A sizable number of peop…

  • Race and Psychiatric Services in Post-Apartheid South Africa: A Preliminary Study of Psychiatrists’ Perceptions

    Open AccessRobert Kohn, Christopher P Szabo et al.ARTICLEInternational Journal of Social…2004

    Objectives: The primary objective of this study was to examine the perception of the quality of psychiatric services five years after apartheid, and specifically whether care for black patients had improved. Design: A survey was distributed to South African psychiatrists during a national congress and by mail. The questionnaire focused on the quality of psychiatric care in general, for black and white patients, the racial composition of each resp…

  • Treinamento de clínicos para o diagnóstico e tratamento da depressão

    Open AccessWillians Valentini, Itzhak Levav et al.ARTICLERevista de Saúde Pública2004Cited by: 4References: 15

    OBJETIVO: Avaliar os resultados da aplicação de programa de treinamento da Organização Mundial de Saúde, voltado para diagnóstico e tratamento da depressão, dirigido a médicos clínicos gerais. MÉTODOS: Dezessete clínicos e 1.224 pacientes da cidade de Campinas, SP, participaram do estudo. Um mês antes e um após o treinamento, foram avaliados o conhecimento dos médicos, suas atitudes e o atendimento prestado aos pacientes; esses, por sua vez, comp…

  • The epidemiology of major depressive episodes: Results from the International Consortium of Psychiatric Epidemiology (Icpe) surveys

    Open AccessLaura Andrade, Laura Helena Andrade et al.ARTICLEInternational Journal of Methods…2003

    Absence of a common diagnostic interview has hampered cross‐national syntheses of epidemiological evidence on major depressive episodes (MDE). Community epidemiological surveys using the World Health Organization Composite International Diagnostic Interview administered face‐to‐face were carried out in 10 countries in North America (Canada and the US), Latin America (Brazil, Chile, and Mexico), Europe (Czech Republic, Germany, the Netherlands, an…