This month in archives of general psychiatry.

G ogtay et al (page 875) report the discovery of a delayed white matter growth trajectory in young nonpsychotic siblings of patients with childhood-onset schizophrenia. This longitudinal magnetic resonance imaging study reveals that patients’ unaffected firstdegree relatives initially show abnormally slowed white matter growth, although these at-risk relatives seem to catch up with healthy matched controls at older ages.