Interindividual variability in recovery after traumatic brain injury: Effect of cognitive reserve

Alberto García-Molina, Antonia Enseñat-Cantallops, Rocío Sánchez-Carrión, Pablo Rodríguez, José María Tormos, Teresa Roig-Rovira

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    13 Citations (Scopus)


    Background and objective: The aim of this study was to examine the effect of cognitive reserve in recovery after a moderate or severe traumatic brain injury (TBI). Different authors proposed that this construct might account for the mismatch between TBI severity, its clinical expression, and subsequent recovery. Patients and method: Eighty-four patients who sustained moderate-to-severe TBI participated in the study. Participants were divided into a high cognitive reserve group (n = 46) or low cognitive reserve group (n = 38) based on premorbid educational and occupational attainment. Patient's functional status was examined with the Patient Competency Rating Scale (PCRS). Results: There were no significant differences between groups in demographic and injury variables (sex, age, severity of injury, post-traumatic amnesia duration, and time since injury). The analysis revealed statistically significant differences between the 2 groups on the PCRS: The high cognitive reserve group scored better than the low cognitive reserve group. Conclusions: The results of this study suggest that cognitive reserve may mediate recovery after a moderate or severe TBI. Educational and occupational attainments provide a cognitive provision that would be associated with better functional status after injury. © 2012 Elsevier España, S.L. Todos los derechos reservados.
    Original languageEnglish
    Pages (from-to)527-531
    JournalMedicina Clinica
    Issue number12
    Publication statusPublished - 18 Jun 2013


    • Cognitive reserve
    • Education
    • Occupational activity
    • Traumatic brain injury

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