Structure and neural mechanisms of catatonia

S Walther, K Stegmayer, JE Wilson… - The Lancet Psychiatry, 2019 - thelancet.com
Catatonia is a psychomotor syndrome associated with several psychiatric and medical
conditions. Psychomotor signs range from stupor to agitation, and include pathognomonic …

Risk assessment tools and data-driven approaches for predicting and preventing suicidal behavior

S Velupillai, G Hadlaczky, E Baca-Garcia… - Frontiers in …, 2019 - frontiersin.org
Risk assessment of suicidal behavior is a time-consuming but notoriously inaccurate activity
for mental health services globally. In the last 50 years a large number of tools have been …

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 …

Natural language processing to extract symptoms of severe mental illness from clinical text: the Clinical Record Interactive Search Comprehensive Data Extraction …

RG Jackson, R Patel, N Jayatilleke, A Kolliakou… - BMJ open, 2017 - bmjopen.bmj.com
Objectives We sought to use natural language processing to develop a suite of language
models to capture key symptoms of severe mental illness (SMI) from clinical text, to facilitate …

Disorganization/cognitive and negative symptom dimensions in the at-risk mental state predict subsequent transition to psychosis

A Demjaha, L Valmaggia, D Stahl, M Byrne… - Schizophrenia …, 2012 - academic.oup.com
Objective: The at-risk mental state (ARMS) is associated with a very high risk of psychosis,
but it is difficult to predict which individuals will later develop psychosis on the basis of their …

Combining dimensional and categorical representation of psychosis: the way forward for DSM-V and ICD-11?

A Demjaha, K Morgan, C Morgan, S Landau… - Psychological …, 2009 - cambridge.org
BackgroundThere is good evidence that psychotic symptoms segregate into symptom
dimensions. However, it is still unclear how these dimensions are associated with risk …

[BOOK][B] The epidemiology of schizophrenia

RM Murray, PB Jones, E Susser, J Van Os, M Cannon - 2002 - books.google.com
An international team of leading researchers and clinicians here provide a comprehensive,
epidemiological overview of this multi-faceted and still perplexing disorder, and address …

The impact of a family history of psychosis on age-at-onset and positive and negative symptoms of schizophrenia: a meta-analysis

ML Esterberg, HD Trotman, C Holtzman… - Schizophrenia …, 2010 - Elsevier
The results of research on the relation of family history (FH) of psychosis with clinical
presentation in schizophrenia have been mixed. To date, there have been no …

Risk factors for onset and persistence of psychosis

J Van Os, P Jones, P Sham, P Bebbington… - Social psychiatry and …, 1998 - Springer
Clinical practice, training and evaluation of treatment in the functional psychoses continues
to be carried out mostly along the traditional line of separation by diagnostic entity. However …