Recovery After Childhood Traumatic Brain Injury: Vulnerability and Plasticity

To the Editor. — Recently, Anderson et al1 reported important and thought-provoking data concerning developmental and cognitive outcome after traumatic brain injury (TBI) in childhood. They claim that their results are explained by cerebral vulnerability rather than plasticity and propose that (1) more severe TBI predicts worse outcome and (2) for moderate and severe TBI, younger age at injury predicts worse outcome. We believe that …