Right Frontal Pole Cortical Thickness and Social Competence in Children With Chronic Traumatic Brain Injury: Cognitive Proficiency as a Mediator

  title={Right Frontal Pole Cortical Thickness and Social Competence in Children With Chronic Traumatic Brain Injury: Cognitive Proficiency as a Mediator},
  author={Ashley Levan and Leslie C. Baxter and C. Brock Kirwan and Garrett M. Black and Shawn D. Gale},
  journal={Journal of Head Trauma Rehabilitation},
Objective:To examine the association between right frontal pole cortical thickness, social competence, and cognitive proficiency in children participants with a history of chronic traumatic brain injury (TBI). Participants:Twenty-three children (65% male; M age = 12.8 years, SD = 2.3 years) at least 1 year post-injury (M = 3.3 years, SD = 1.7 years) were evaluated with the Cognitive Proficiency Index (CPI) from the Wechsler Intelligence Scale for Children, 4th Edition, and their caregiver… 
Right frontal pole cortical thickness and executive functioning in children with traumatic brain injury: the impact on social problems
Regression analysis demonstrated right frontal pole cortical thickness significantly predicted social problems and measures of executive functioning also significantly predictedsocial problems; however, the mediation model testing whether executive function mediated the relationship between cortical thickness and social problems was not statistically significant.
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Cortical Thickness Changes and Their Relationship to Dual-Task Performance following Mild Traumatic Brain Injury in Youth
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The Relation of Focal Lesions to Cortical Thickness in Pediatric Traumatic Brain Injury
Damage severity in terms of Glasgow Coma Scale or longer length of stay was associated with greater reductions in frontal and occipitoparietal cortical thickness, and presence of focal lesions were not related to unique changes in cortical thickness despite having a prominent distribution of lesions within frontotemporal regions.
Utility of the General Ability Index (GAI) and Cognitive Proficiency Index (CPI) with survivors of pediatric brain tumors: Comparison to Full Scale IQ and premorbid IQ estimates
The GAI may be useful to quantify the intellectual potential of a survivor when appropriate accommodations are in place for relative cognitive proficiency weaknesses and the CPI may be a particularly sensitive outcome measure of treatment-related cognitive change in this population of pediatric brain tumor survivors.
Examining the Cognitive Proficiency Index in rehabilitation patients
CPI showed incremental validity in predicting OTBM and IMP and warrants further study as a useful clinical addition to other WAIS-IV indices.


Executive functions and social competence in young children 6 months following traumatic brain injury.
Severe TBI in young children negatively impacts executive functions and social competence, and executive functions may be an important determinant of social competence following TBI.
Social Competence at 6 Months Following Childhood Traumatic Brain Injury
Greater injury severity and poorer communication skills were associated with poorer social adjustment and social participation, with the impact of family function also significant.
Psychosocial outcome of TBI in children with unilateral frontal lesions
Unilateral frontal lesions adversely affect late psychosocial outcome of TBI in children and there was no difference in cognitive function.
Predictors of personality change due to traumatic brain injury in children and adolescents in the first six months after injury.
  • J. Max, H. Levin, M. Dennis
  • Psychology, Medicine
    Journal of the American Academy of Child and Adolescent Psychiatry
  • 2005
Lesions of the dorsal prefrontal cortex, specifically the superior frontal gyrus, were associated with personality change after controlling for severity of injury or the presence of other lesions.
Deep White Matter Volume Loss and Social Reintegration After Traumatic Brain Injury in Children
Preliminary findings suggested that diffuse WMV loss, particularly in deep brain regions (eg, corpus callosum), may relate to the child's long-term psychosocial outcome as viewed from the parents' perspective.
WISC-IV profiles in children with traumatic brain injury: similarities to and differences from the WISC-III.
Results indicated that the TBI group exhibited relative deficits on all subtest and index scores, with the greatest deficits on the Processing Speed Index (PSI) and Coding subtest scores.
Long-term attention problems in children with traumatic brain injury.
Long-term behavioral symptoms of attention problems are related to the cognitive deficits in attention and executive functions that often occur in association with childhood TBI, and Childhood TBI exacerbates premorbid attention problems.
Executive Functions Following Traumatic Brain Injury in Young Children: A Preliminary Analysis
In both the TBI and comparison groups, performance improved with age on the DR and stationary boxes tasks, suggesting that shifting response set was not significantly altered by TBI.
Short- and long-term social outcomes following pediatric traumatic brain injury
Growth curve analyses revealed that pediatric TBI yields negative social outcomes that are exacerbated by family environments characterized by lower socioeconomic status, fewer family resources, and poorer family functioning.