The Digester

A Neurobiology of Aging study of 225 adults finds that high childhood maltreatment is linked to different midlife brain aging patterns and faster declines in executive function, with subcortical regions appearing especially vulnerable.

Researchers analyzed 225 adults aged 21 to 55 using MRI and executive function tests to compare high and low childhood trauma groups.
Low-trauma participants showed the expected age-related decline in prefrontal cortex gray matter.
High-trauma participants had lower prefrontal volume overall but showed no further age-related decline in that region.
High-trauma participants showed age-linked gray matter loss in subcortical regions, including areas tied to emotion and memory, while low-trauma participants did not.
High-trauma participants experienced steeper age-related declines in executive functioning compared with low-trauma participants.
The study is cross-sectional and cannot prove causation or the exact timing of childhood trauma, so authors call for longitudinal research and earlier screening for at-risk individuals.

Childhood trauma alters midlife brain aging, study finds

Sources