Canada: Psychosis in the Immigrant Caribbean Population

Seeman, Mary V.

doi:10.1177/0020764010365979

Cited by 13 publications

(9 citation statements)

References 75 publications

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“…While current diagnostic categorizations may lack cross-cultural validity, 48 we have attempted to minimize this limitation by investigating symptom profiles instead of diagnoses. Even though the exact incidence of psychosis among Afro-Caribbean immigrants to Canada is still unknown, 49 an increased chance of receiving a diagnosis of psychosis among black patients was also recently reported in a Montreal sample of psychiatric hospital admissions. 50 Nevertheless, similarities in the nature and level of positive symptoms in our study across different ethnic groups do not support the idea that the disproportionate prevalence of diagnoses of psychosis in ethnic minorities is accounted for by selective misconstruing of clinical presentations as delusions or hallucinations.…”

Section: Discussionmentioning

confidence: 93%

Comparing the Clinical Presentation of First-Episode Psychosis across Different Migrant and Ethnic Minority Groups in Montreal, Quebec

et al. 2012

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A comparison of FEP patients from different ethnic groups and native-born Euro-Canadians revealed no significant differences in the nature of positive symptoms at first presentation or in age at onset, suggesting that there was no evidence for the hypothesis that ethnic minorities are misdiagnosed as psychotic. Increased severity of negative symptoms and general psychopathology, specifically among the black ethnic minority group, may have implications for the role of ethnicity for the treatment and outcome of the initial episode of psychotic disorders.

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Section: Discussionmentioning

confidence: 93%

Comparing the Clinical Presentation of First-Episode Psychosis across Different Migrant and Ethnic Minority Groups in Montreal, Quebec

et al. 2012

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“…Additional studies have demonstrated significant associations between perceived discrimination and psychosis in ethnic minority and immigrant groups, with the incidence of psychosis being higher when groups perceive more discrimination (Karlsen et al, 2005;Veling et al, 2007). Furthermore, incidence rates of psychosis have been shown to be equal among first and secondgeneration immigrants, indicating that post immigration stressors are equally as important as pre-migration (Morgan and Hutchinson, 2009;Seeman, 2011).…”

Section: Introductionmentioning

confidence: 99%

Perceived ethnic discrimination and persecutory paranoia in individuals at ultra-high risk for psychosis

Shaikh

Ellett

Dutt

et al. 2016

Psychiatry Research

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Despite a consensus that psychosocial adversity plays a role in the onset of psychosis, the nature of this role in relation to persecutory paranoia remains unclear.This study examined the complex relationship between perceived ethnic discrimination and paranoid ideation in individuals at Ultra High Risk (UHR) for psychosis using a virtual reality paradigm to objectively measure paranoia. Data from 64 UHR participants and 43 healthy volunteers were analysed to investigate the relationship between perceived ethnic discrimination and persecutory ideation in a virtual reality environment. Perceived ethnic discrimination was higher in young adults at UHR in comparison to healthy controls. A positive correlation was observed between perceived ethnic discrimination and paranoid persecutory ideation in the whole sample. Perceived ethnic discrimination was not a significant predictor of paranoid persecutory ideation in the VR environment. Elevated levels of perceived ethnic discrimination are present in individuals at UHR and are consistent with current biopsychosocial models in which psychosocial adversity plays a key role in the development of psychosis and attenuated symptomatology.

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“…A number of additional studies have demonstrated significant associations between perceived discrimination and psychosis in ethnic minority and immigrant groups with the incidence of psychosis being higher when groups perceive more discrimination . Furthermore, incidence rates of psychosis have been shown to be equal among first‐ and second‐generation immigrants, indicating that post immigration stressors are equally as important as pre‐migration . Perceived discrimination is not just related to ethnicity, but to other characteristics such as age, gender, religion, disability or sexual orientation …”

Section: Introductionmentioning

confidence: 99%

“…1,6,7 Furthermore, incidence rates of psychosis have been shown to be equal among firstand second-generation immigrants, indicating that post immigration stressors are equally as important as pre-migration. 8,9 Perceived discrimination is not just related to ethnicity, but to other characteristics such as age, gender, religion, disability or sexual orientation. 1 The current interest in prospective research, that examines individuals who appear to be at clinical high risk (CHR) of developing psychosis, 10 offers another opportunity to examine the role of perceived discrimination in the development of psychosis.…”

Section: Introductionmentioning

confidence: 99%

Perceived discrimination in those at clinical high risk for psychosis

Saleem

Stowkowy

Cadenhead

et al. 2013

Early Intervention Psych

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Aim There is evidence to suggest that perceived discrimination may be associated with psychosis. Less is known about its potential impact on those at clinical high risk (CHR) for psychosis. The aim of this study was to determine the prevalence of perceived discrimination in a CHR sample and its possible relationship to attenuated positive symptoms and negative self-beliefs. Methods Participants were 360 CHR individuals and 180 healthy controls. Assessments included a self-report measure of perceived discrimination, the Scale of Prodromal Symptoms and the Brief Core Schema Scale. Results CHR participants reported significantly more perceived discrimination. Perceived discrimination was significantly associated with negative schemas but not with attenuated positive symptoms. Conclusions These results suggest that individuals at CHR for psychosis endorse a higher level of perceived discrimination which is associated with increased negative schemas but not attenuated positive symptoms.

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Canada: Psychosis in the Immigrant Caribbean Population

Abstract: Ethnicity and migration influence susceptibility and response to psychotic illness in a number of distinct and interacting ways depending both on the host country and the country of origin. Understanding the pathways can help to protect the health of immigrants.

Cited by 13 publications

References 75 publications

Comparing the Clinical Presentation of First-Episode Psychosis across Different Migrant and Ethnic Minority Groups in Montreal, Quebec

Comparing the Clinical Presentation of First-Episode Psychosis across Different Migrant and Ethnic Minority Groups in Montreal, Quebec

Perceived ethnic discrimination and persecutory paranoia in individuals at ultra-high risk for psychosis

Perceived discrimination in those at clinical high risk for psychosis

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