Patterns of cortical thinning in relation to event-based prospective memory performance three months after moderate to severe traumatic brain injury in children.
While event-based prospective memory (EB-PM) tasks are a familiar part of daily life for children, currently no data exists concerning the relation between EB-PM performance and brain volumetrics after traumatic brain injury (TBI). This study investigated EB-PM in children (7 to 17 years) with moderate to severe TBI or orthopedic injuries. Participants performed an EB-PM task and concurrently underwent neuroimaging at three months postinjury. Surface reconstruction and cortical thickness analysis were performed using FreeSurfer software. Cortical thickness was significantly correlated with EB-PM (adjusting for age). Significant thinning in the left (dorsolateral and inferior prefrontal cortex, anterior and posterior cingulate, temporal lobe, fusiform, and parahippocampal gyri), and right hemispheres (dorsolateral, inferior, and medial prefrontal cortex, cingulate, and temporal lobe) correlated positively and significantly with EB-PM performance; findings are comparable to those of functional neuroimaging and lesion studies of EB-PM.
McCauley
Stephen R
SR
Physical Medicine and Rehabilitation Alliance of Baylor College of Medicine and the University of Texas-Houston Medical School, Houston, Texas 77030, USA. mccauley@bcm.edu
Wilde
Elisabeth A
EA
Merkley
Tricia L
TL
Schnelle
Kathleen P
KP
Bigler
Erin D
ED
Hunter
Jill V
JV
Chu
Zili
Z
Vásquez
Ana C
AC
Levin
Harvey S
HS
D000203:Activities of Daily Living; D000293:Adolescent; D000704:Analysis of Variance; D001930:Brain Injuries / Q000473:pathology* / Q000503:physiopathology; D001931:Brain Mapping; D002648:Child; D005260:Female; D005500:Follow-Up Studies; D015600:Glasgow Coma Scale; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male; D008568:Memory / Q000502:physiology*; D009483:Neuropsychological Tests
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