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BackgroundBiological or genetic models of mental illness are commonly expected to increase tolerance towards people with mental illness, by reducing notions of responsibility and blame.AimsTo investigate whether biogenetic causal attributions of mental illness among the general public are associated with more tolerant attitudes, whether such attributions are related to lower perceptions of guilt and responsibility, to what extent notions of responsibility are associated with rejection of people who are mentally ill, and how prevalent notions of responsibility are among the general public with regard to different mental disorders.MethodA systematic review was conducted of representative population studies examining attitudes towards people with mental illness and beliefs about such disorders.ResultsWe identified 33 studies relevant to this review. Generally, biogenetic causal attributions were not associated with …