The continuity of psychotic experiences in the general population

LC Johns, J Van Os - Clinical psychology review, 2001 - Elsevier
Schizophrenia is a severe mental illness that affects1% of the population. The diagnosis is
made according to current diagnostic systems of DSM-IV (American Psychiatric Association …

Do subthreshold psychotic experiences predict clinical outcomes in unselected non-help-seeking population-based samples? A systematic review and meta-analysis …

N Kaymaz, M Drukker, R Lieb, HU Wittchen… - Psychological …, 2012 - cambridge.org
BackgroundThe base rate of transition from subthreshold psychotic experiences (the
exposure) to clinical psychotic disorder (the outcome) in unselected, representative and non …

Evidence that three dimensions of psychosis have a distribution in the general population

NC Stefanis, M Hanssen, NK Smirnis… - Psychological …, 2002 - cambridge.org
Background. The aims of the study were: first to examine, using clinical symptoms of patients
as a template, whether the correlated but independent dimensions of positive, negative and …

Strauss (1969) revisited: a psychosis continuum in the general population?

J Van Os, M Hanssen, RV Bijl, A Ravelli - Schizophrenia research, 2000 - Elsevier
Although dichotomously defined for clinical purposes, psychosis may exist as a continuous
phenotype in nature. A random sample of 7076 men and women aged 18–64years were …

Measuring delusional ideation: the 21-item Peters et al. Delusions Inventory (PDI)

E Peters, S Joseph, S Day, P Garety - Schizophrenia bulletin, 2004 - academic.oup.com
There is increasing evidence that in the general population there are schizotypal traits and
symptoms that can be measured psychometrically. Norms are reported for a new 21-item …

Psychotic symptoms in non-clinical populations and the continuum of psychosis

H Verdoux, J van Os - Schizophrenia research, 2002 - Elsevier
A growing body of evidence suggests that delusional or hallucinatory experiences are much
more frequent in subjects from the general population than the prevalence of cases of …

Prevalence of psychotic disorder and community level of psychotic symptoms: an urban-rural comparison

J Van Os, M Hanssen, RV Bijl… - Archives of general …, 2001 - jamanetwork.com
Background Urban and rural populations have different rates of psychotic illness. If
psychosis exists as a continuous phenotype in nature, urban-rural population differences in …

Toward DSM—V and the classification of psychopathology.

TA Widiger, LA Clark - Psychological bulletin, 2000 - psycnet.apa.org
Abstract The Diagnostic and Statistical Manual of Mental Disorders (DSM–IV) developed by
the American Psychiatric Association (1994) is a compelling effort at a best approximation to …

Social anhedonia as a predictor of the development of schizophrenia-spectrum disorders.

TR Kwapil - Journal of abnormal psychology, 1998 - psycnet.apa.org
Abstract College undergraduates (n= 34) identified by deviant scores (at least 1.96 SD
above the mean) on the Revised Social Anhedonia (SocAnh) Scale (M. Eckblad, LJ …

Risk factors for loneliness: The high relative importance of age versus other factors

B Shovestul, J Han, L Germine, D Dodell-Feder - PloS one, 2020 - journals.plos.org
Loneliness is a potent predictor of negative health outcomes, making it important to identify
risk factors for loneliness. Though extant studies have identified characteristics associated …