EDITORIALS |

School of Psychiatry, University of New South Wales, Black Dog Institute, Prince of Wales Hospital, Randwick 2031, Australia. Email: g.parker{at}unsw.edu.au
G.P. serves on several advisory boards for psychotropic drugs, has chaired and spoken at meetings convened by pharmaceutical companies, and has received research and scientific meeting sponsorship by such companies.
Gordon Parker is Scientia Professor at the School of Psychiatry, University of New South Wales, Australia.
See pp.
102–108, this
issue.
This issue reports a community-based study quantifying the extent to which subthreshold hypomanic or depressive symptoms in childhood or adolescence predicted subsequent formal bipolar disorder status and mental health service attendance. This editorial emphasises the low predictive power of the signal and considers early intervention implications.
Related articles in BJP: