Population prevalence of depression and mean Beck Depression Inventory score. BJPsych, 195, . The beta distribution formula for parameter β (p. 517, column 2) should read

β = 7.8680–0.1949 × mean BDI (scaled to range 0–63).

Seneca on anger, mercy and sadistic homicide – in 100 words. BJPsych, 209, . Visionary as Seneca was, he cannot be credited for influencing the fictional psychiatrist Hannibal Lecter. It is in Aristotle's Nicomachean Ethics that an account of a mentally deranged slave who ate the liver of his fellow can be found.