Van Rossum, Inge, Tenback, Diederik, Van Os, Jim
Abstract Background It has been suggested that dopamine dysfunction may play a role in bipolar disorder (BD). An indirect approach to examine this issue was developed, focusing on associations...
Krach, Sören, Blümel, Isabelle, Marjoram, Dominic, Lataster, Tineke, Krabbendam, Lydia, Weber, Jochen, ...
Abstract Background The ability to mentalize, i.e. develop a Theory of Mind (ToM), enables us to anticipate and build a model of the thoughts, emotions and intentions of others. It has long been...
A real-life observational study of the effectiveness of FACT in a Dutch mental health region (2008)
Drukker, Marjan, Maarschalkerweerd, Myrte, Bak, Maarten, Driessen, Ger, à Campo, Joost, De Bie, Arthur, ...
Abstract Background ACT is an effective community treatment but causes discontinuity of care between acutely ill and currently stable patient groups. The Dutch variant of ACT, FACT, combines both...
Bak, Maarten, Krabbendam, Lydia, Delespaul, Philippe, Huistra, Karola, Walraven, Wil, Van Os, Jim
Abstract Background Associations between coping with and control over psychotic symptoms were examined using the Maastricht Assessment of Coping Strategies-24, testing the hypothesis that the...
Myin-Germeys, Inez, Jacobs, Nele, Kenis, Gunter, ...
OBJECTIVE: To examine, using a cross-twin cross-trait design, the hypotheses 1) that the genetic and environmental susceptibility to depression is expressed, in part, as alterations in cortisol day...
Henquet, Cécile, Rosa, Araceli, Papiol, Sergi, Fananás, Lourdes, ...
Gene-environment interactions involving the catechol-O-methyltransferase Val(158)Met polymorphism (COMT(Val158Met)) have been implicated in the causation of psychosis. Evidence from general...
Van Winkel, Ruud, Van Os, Jim, Celic, Ivan, Van Eyck, Dominique, Wampers, Martien, Scheen, André, ...
OBJECTIVE: Unconfounded differences in inherent vulnerability to metabolic disturbance may be hypothesized for different diagnostic groups with severe mental illness. METHOD: A naturalistic cohort of...
Van Os, Jim, Rutten, Bart PF, Poulton, Richie
Concern is building about high rates of schizophrenia in large cities, and among immigrants, cannabis users, and traumatized individuals, some of which likely reflects the causal influence of...
Allardyce, Judith, Gaebel, Wolfgang, Zielasek, Jurgen, Van Os, Jim
The DSM V planning process is currently underway and it has once again ignited the debate about the validity of the schizophrenia diagnosis. In this paper, we review the psychometric literature...
De Loore, Ellen, Drukker, Marjan, Gunther, Nicole, Feron, Frans, Deboutte, Dirk, Sabbe, Bernard, ...
Myin-Germeys, Inez, Delespaul, Philippe, Van Os, Jim
The aim of the present study was to examine the longitudinal course of IQ and its heterogeneity in patients with schizophrenia, from the perspective of the two main "subtypes" of schizophrenia...
Kenis, Gunter, Peeters, Frenk, Van Os, Jim
CONTEXT: Genetic moderation of the depression-inducing effects of stressful life events (SLEs) has been reported, but findings suggest that genes may not moderate the effects of SLEs per se but...
Drukker, Marjan, Kaplan, Charles, Schneiders, Josien, Feron, Frans JM, Van Os, Jim
Abstract Background Neighbourhood socioeconomic disadvantage and social capital have been associated with adolescent well-being, but the majority of studies were cross-sectional, and the time window...
Rijsdijk, Fruhling, Delespaul, Phillipe, Van Os, Jim, ...
OBJECTIVE: Individual differences in stress reactivity constitute a crucially important mechanism of risk for depression. Because stress can be conceptualized as the continuous occurrence of minor...
Smits, Kim, Smits, Luc, Peeters, Frenk, Schouten, Jan, Janssen, Rob, Smeets, Hubert, ...
No abstract available.
Pain-related comorbidity in depression: the association with 5-HTTLPR and STin2 (2006)
Smits, Kim, Smits, Luc, Peeters, Frenk, Schouten, Jan, Janssen, Rob, Smeets, Hubert, ...
No abstract available.
Data Gathering: Biased in Psychosis? (2006)
Van Dael, Frank, Versmissen, Dagmar, Janssen, Ilse, Myin-Germeys, Inez, Van Os, Jim, Krabbendam, Lydia
This study examined whether the probabilistic reasoning bias referred to as a “jumping-to-conclusions” (JTC) style of reasoning, which, according to previous research, is associated with...
Henquet, Cécile, Krabbendam, Lydia, Spauwen, Janneke, Kaplan, Charles, Lieb, Roselind, Wittchen, Hans-Ulrich, ...
The Environment and Schizophrenia: The Role of Cannabis Use (2005)
Henquet, Cécile, Murray, Robin, Linszen, Don, Van Os, Jim
Cannabis use is associated with poor outcome in existing schizophrenia and may precipitate psychosis in individuals with preexisting liability. To investigate the overall effect size and consistency...
Schizophrenia and Urbanicity: A Major Environmental Influence--Conditional on Genetic Risk (2005)
Krabbendam, Lydia, Van Os, Jim
More than 10 studies have consistently shown that around one-third of all schizophrenia incidence may be related to unknown but likely unconfounded environmental factors operating in the urban...
Data Gathering: Biased in Psychosis? (2005)
Van Dael, Frank, Versmissen, Dagmar, Janssen, Ilse, Myin-Germeys, Inez, Van Os, Jim, Krabbendam, Lydia
This study examined whether the probabilistic reasoning bias referred to as a "jumping-to-conclusions" (JTC) style of reasoning, which, according to previous research, is associated with particular...
Schizophrenia and Urbanicity: A Major Environmental Influence--Conditional on Genetic Risk (2005)
Krabbendam, Lydia, Van Os, Jim
More than 10 studies have consistently shown that around one-third of all schizophrenia incidence may be related to unknown but likely unconfounded environmental factors operating in the urban...
The Environment and Schizophrenia: The Role of Cannabis Use (2005)
Henquet, Cécile, Murray, Robin, Linszen, Don, Van Os, Jim
Cannabis use is associated with poor outcome in existing schizophrenia and may precipitate psychosis in individuals with preexisting liability. To investigate the overall effect size and consistency...
The Environment and Schizophrenia: The Role of Cannabis Use (2005)
Henquet, Cécile, Murray, Robin, Linszen, Don, Van Os, Jim
Cannabis use is associated with poor outcome in existing schizophrenia and may precipitate psychosis in individuals with preexisting liability. To investigate the overall effect size and consistency...
Schizophrenia and Urbanicity: A Major Environmental Influence--Conditional on Genetic Risk (2005)
Krabbendam, Lydia, Van Os, Jim
More than 10 studies have consistently shown that around one-third of all schizophrenia incidence may be related to unknown but likely unconfounded environmental factors operating in the urban...
Data Gathering: Biased in Psychosis? (2005)
Van Dael, Frank, Versmissen, Dagmar, Janssen, Ilse, Myin-Germeys, Inez, Van Os, Jim, Krabbendam, Lydia
This study examined whether the probabilistic reasoning bias referred to as a "jumping-to-conclusions" (JTC) style of reasoning, which, according to previous research, is associated with particular...
Marcelis, Machteld, Cavalier, Etienne, Gielen, Jacques, Delespaul, Philippe, Van Os, Jim
Background. Previous work suggests that individuals with schizophrenia display an altered homovanillic acid (HVA) response to metabolic stress. The present study replicated and extended this...
Bak, Maarten, Myin-Germeys, Inez, Hanssen, Manon, Bijl, Rob, Vollebergh, Wilma, Delespaul, Philippe, ...
Not all individuals with experience of psychosis develop a need for care. The present study investigated differences in coping strategies and associated levels of perceived control over psychotic...
Sigurdsson, Engilbert, Van Os, Jim, Fombonne, Eric
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Metabolic stress as a paradigm to elucidate genotype-environment interaction in psychosis (2002)
Marcelis, Machteld, Cavalier, Etienne, Gielen, Jacques, Delespaul, PAEG, Van Os, Jim
11th Symposium of the AEP Section Epidemiology and Social Psychiatry
Rosa, Araceli, Fañanás, Lourdes, Van Os, Jim, Ribchester, Tracy, Davies, Nadia, Arias, Bárbara, ...
The presence of abnormal palmar flexion creases (APFC) and dermatoglyphic ridge dissociation (RD) may constitute enduring evidence of a prenatal insult that occurred before the third trimester of...
Commentary on "Outcome of Schizophrenia in Relation to Brain Abnormalities" by Staal et al. (2000)
Van Os, Jim, Fahy, Tom, Jones, Peter, Lewis, Shôn, Murray, Robin M.
Henquet, Cécile, Krabbendam, Lydia, Spauwen, Janneke, Kaplan, Charles, Lieb, Roselind, Wittchen, Hans-Ulrich, ...
Objective To investigate the relation between cannabis use and psychotic symptoms in individuals with above average predisposition for psychosis who first used cannabis during adolescence.
Henquet, Cécile, Krabbendam, Lydia, Spauwen, Janneke, Kaplan, Charles, Lieb, Roselind, Wittchen, Hans-Ulrich, ...
Objective To investigate the relation between cannabis use and psychotic symptoms in individuals with above average predisposition for psychosis who first used cannabis during adolescence.
Psychosis in Afro-Caribbean people
McKenzie, Kwame, Toone, Brian, Fahy, Tom, Murray, Robin, Van Os, Jim, Jones, Peter, ...
A real-life observational study of the effectiveness of FACT in a Dutch mental health region
Drukker, Marjan, Maarschalkerweerd, Myrte, Bak, Maarten, Driessen, Ger, à Campo, Joost, De Bie, Arthur, ...
Data Gathering: Biased in Psychosis?
Van Dael, Frank, Versmissen, Dagmar, Janssen, Ilse, Myin-Germeys, Inez, Van Os, Jim, Krabbendam, Lydia
This study examined whether the probabilistic reasoning bias referred to as a “jumping-to-conclusions” (JTC) style of reasoning, which, according to previous research, is associated with...
Allardyce, Judith, Gaebel, Wolfgang, Zielasek, Jurgen, Van Os, Jim
The DSM V planning process is currently underway and it has once again ignited the debate about the validity of the schizophrenia diagnosis. In this paper, we review the psychometric literature...
Collip, Dina, Myin-Germeys, Inez, Van Os, Jim
Previous evidence reviewed in Schizophrenia Bulletin suggests the importance of a range of different environmental factors in the development of psychotic illness. It is unlikely, however, that the...
Krach, Sören, Blümel, Isabelle, Marjoram, Dominic, Lataster, Tineke, Krabbendam, Lydia, Weber, Jochen, ...
Schieveld, Jan N. M., Van Der Valk, Judith A., Smeets, Inge, Berghmans, Eline, Wassenberg, Renske, ...
Van Os, Jim, Rutten, Bart PF, Poulton, Richie
Concern is building about high rates of schizophrenia in large cities, and among immigrants, cannabis users, and traumatized individuals, some of which likely reflects the causal influence of...