From adversity to psychosis:pathways and mechanisms from specific adversities to specific symptoms

Bentall, Richard P. and de Sousa, Paulo and Varese, Filippo and Wickham, Sophie and Sitko, Katarzyna and Haarmans, Maria and Read, John (2014) From adversity to psychosis:pathways and mechanisms from specific adversities to specific symptoms. Social Psychiatry and Psychiatric Epidemiology, 49 (7). pp. 1011-1022. ISSN 0933-7954

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Abstract

PURPOSE: Although there is considerable evidence that adversities in childhood such as social deprivation, sexual abuse, separation from parents, neglect and exposure to deviant parental communication are associated with psychosis in later life, most studies have considered broad diagnoses as outcomes. In this review we consider evidence for pathways between specific types of adversity and specific symptoms of psychosis. METHODS: We present theoretical arguments for expecting some degree of specificity (although by no means perfect specificity) between different kinds of adversity and different symptoms of psychosis. We review studies that have investigated social-environmental risk factors for thought disorder, auditory-verbal hallucinations and paranoid delusions, and consider how these risk factors may impact on specific psychological and biological mechanisms. RESULTS: Communication deviance in parents has been implicated in the development of thought disorder in offspring, childhood sexual abuse has been particularly implicated in auditory-verbal hallucinations, and attachment-disrupting events (e.g. neglect, being brought up in an institution) may have particular potency for the development of paranoid symptoms. Current research on psychological mechanisms underlying these symptoms suggests a number of symptom-specific mechanisms that may explain these associations. CONCLUSIONS: Few studies have considered symptoms, underlying mechanisms and different kinds of adversity at the same time. Future research along these lines will have the potential to elucidate the mechanisms that lead to severe mental illness, and may have considerable clinical implications.

Item Type:
Journal Article
Journal or Publication Title:
Social Psychiatry and Psychiatric Epidemiology
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2700/2738
Subjects:
ID Code:
71500
Deposited By:
Deposited On:
29 Oct 2014 16:07
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jul 2020 01:52