• A schizophrenia gene locus on chromosome 17q21 in a new set of families of mexican and central american ancestry: evidence from the NIMH genetics of schizophrenia in latino populations study 

      Escamilla, Michael; Hare, Elizabeth; Dassori, Albana; Peralta, Juan Manuel; Ontiveros, Humberto; Nicolini Sánchez, José Humberto; Medina, Rolando; Mendoza Rodríguez, Ricardo; Muñoz, Rodrigo; Almasy, Laura; Raventós Vorst, Henriette; Jerez, Álvaro (Am J Psychiatry 2009;166:442-449, 2009-02-02)
      The present study investigated a new set of families of Latin American ancestry in order to detect the location of genes predisposing to schizophrenia and related psychotic disorders. Method: A genome-wide scan was performed ...
    • Call for a change in research funding priorities: the example of mental health in Costa Rica 

      Contreras Rojas, Javier; Raventós Vorst, Henriette; Rodríguez Arauz, Gloriana; Leandro Rojas, Mauricio (2014)
      The World Health Organization (WHO) Mental Health Action Plan 2013-2020 urges its Member States to strengthen leadership in mental health, ensure mental and social health interventions in community-based settings, promote ...
    • Foro sobre salud mental 2011, conclusiones y pasos futuros 

      Contreras Rojas, Javier; Raventós Vorst, Henriette (Acta médica costarricense Vol 55 (3), julio-setiembre 2013, 132-138, 2013-07)
      Antecedentes: la salud es un proceso social que tiene como fin el bienestar físico y mental del individuo a través de todas las etapas de su vida. A pesar de numerosos esfuerzos, en Costa Rica, el abordaje en salud mental ...
    • Heritability of Age of Onset of Psychosis in Schizophrenia 

      Hare, Elizabeth; Glahn, David C.; Dassori, Albana; Raventós Vorst, Henriette; Nicolini Sánchez, José Humberto; Ontiveros Sánchez de la Barquera, Jose Alfonso; Medina, Rolando; Mendoza Rodríguez, Ricardo; Jerez, Álvaro; Muñoz, Rodrigo; Almasy, Laura; Escamilla, Michael (AMERICAN JOURNAL OF MEDICAL GENETICS PART B, 2009-04)
      Schizophrenia is a genetically complex illness with heterogeneous clinical presentation, including variable age ofonset. In this study, the heritability, or proportion of variation in age of onset of psychotic symptoms due ...
    • Substance use disorder and schizophrenia: prevalence and sociodemographic characteristics in the Latin American population 

      Jiménez Castro, Lorena; Raventós Vorst, Henriette; Escamilla, Michael (Actas Esp Psiquiatr 2011;39(2):123-30, 2011)
      El interés por comprender la co-morbilidad de la esquizofrenia y el trastorno en el uso de sustancias, ha aumentado debido al incremento de este diagnóstico, a los efectos negativos observados en el sujeto y a los ...
    • The serotonin transporter 5-HTTPR polymorphism is associated with current and lifetime depression in persons with chronic psychotic disorders 

      Contreras Rojas, Javier; Camarena, Beatriz; Glahn, David C.; Dassori, Albana; Medina, Rolando; Contreras, Salvador; Ramírez, M.; Armas, Regina; Muñoz, Rodrigo; Mendoza Rodríguez, Ricardo; Raventós Vorst, Henriette; Ontiveros Sánchez de la Barquera, Jose Alfonso; Nicolini Sánchez, José Humberto; Palmer, R.; Escamilla, Michael; Hare, L. (Acta Psychiatr Scand 2009: 119: 117–127, 2009-01-11)
      Objective: Variation in the serotonin transporter gene (SLC6A4) promoter region has been shown to influence depression in persons who have been exposed to a number of stressful life events. Method: We evaluated whether ...