Traumatic brain injury (TBI) is a leading cause of disability, specifically among younger adults. Behavioral changes are common after moderate to severe TBI and have adverse consequences for social and vocational functioning. It is hypothesized that deficits in social cognition, including facial affect recognition, might underlie these behavioral changes. Measurement of behavioral deficits is complicated, because the rating scales used rely on subjective judgement, often lack specificity and many patients provide unrealistically positive reports of their functioning due to impaired self-awareness. Accordingly, it is important to find performance based tests that allow objective and early identification of these problems. In the present study 51 moderate to severe TBI patients in the sub-acute and chronic stage were assessed with a test for emotion recognition (FEEST) and a questionnaire for behavioral problems (DEX) with a self and proxy rated version. Patients performed worse on the total score and on the negative emotion subscores of the FEEST than a matched group of 31 healthy controls. Patients also exhibited significantly more behavioral problems on both the DEX self and proxy rated version, but proxy ratings revealed more severe problems. No significant correlation was found between FEEST scores and DEX self ratings. However, impaired emotion recognition in the patients, and in particular of Sadness and Anger, was significantly correlated with behavioral problems as rated by proxies and with impaired self-awareness. This is the first study to find these associations, strengthening the proposed recognition of social signals as a condition for adequate social functioning. Hence, deficits in emotion recognition can be conceived as markers for behavioral problems and lack of insight in TBI patients. This finding is also of clinical importance since, unlike behavioral problems, emotion recognition can be objectively measured early after injury, allowing for early detection and treatment of these problems.
Many patients do not return to work (RTW) after mild traumatic brain injury (mTBI) because of persistent complaints that are often resistant to therapy in the chronic phase. Recent studies suggest that psychological interventions should be implemented early post-injury to prevent patients from developing chronic complaints. This study is a randomized, controlled trial that examines the effectiveness of a newly developed cognitive behavioral therapy (CBT) intervention (CBTi) compared to telephonic counseling (TC) in at-risk mTBI patients (patients with high reports of early complaints). Patients underwent either five sessions of CBT treatment or five phone conversations starting 4-6 weeks post-trauma. The main outcome measure was RTW 6 and 12 months post-trauma. Secondary measures comprised functional outcome at 6 and 12 months, and depression, anxiety, and reported post-traumatic complaints at 3, 6, and 12 months post-injury. After excluding dropouts, CBTi consisted of 39 patients and TC of 45 patients. No significant differences were found with regard to RTW, with 65% of CBTi patients and 67% of TC patients reporting a RTW at previous level. However, TC patients reported fewer complaints at 3 (8 vs. 6; p = 0.010) and 12 months post-injury (9 vs. 5; p = 0.006), and more patients in the TC group showed a full recovery 12 months post-injury compared to the CBTi group (62% vs. 39%). The results of this study suggest that early follow-up of at-risk patients can have a positive influence on patients' well-being, and that a low-intensive, low-cost telephonic intervention might be more effective than a CBT intervention at improving outcome in at-risk patients.
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