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Objective Attention deficit hyperactivity disorder (ADHD) is a common neuropsychological disorder primarily diagnosed in childhood. Early intervention was found to significantly improve developmental outcomes, implicating on the role of early identification of ADHD markers. In the current study, we explored the developmental history of children referred to neurological assessment to identify early ADHD predictors. Methods A total of 92 children and adolescents (41 females) recruited at a pediatric neurology clinic, with suspected ADHD (n = 39) or other neurological difficulties (n = 53) such as headaches, seizures, tic disorders, orthostatic hypotension, postischemic stroke, intermittent pain, and vasovagal syncope. Developmental history information was obtained from caregivers, and evaluation for possible ADHD was performed. Developmental details were compared between children with and without current ADHD diagnosis. Results Word-finding difficulties (WFDs) in preschool age was reported in 30.4% of the sample. Among children diagnosed with ADHD, 43% had WFDs history, compared with only 5% in children without ADHD. Among children with WFDs history, 93% were later diagnosed with ADHD compared with 42% in children without WFDs history. The relationship between WFDs and ADHD was significant (chi-square test [1, N = 92] = 20.478, p < 0.0001), and a logistic regression model demonstrated that asides from a family history of ADHD, the strongest predictor for ADHD in school age children was a history of WFDs. Conclusion Preliminary evidence supports a predictive link between preschool WFDs and later ADHD diagnosis, highlighting the importance of early WFDs clinical attention. [ABSTRACT FROM AUTHOR]

Background: Acute stress following mild Traumatic Brain Injury (mTBI) is highly prevalent and associated with Persistent Post-Concussion symptoms (PPCS). However, the mechanism mediating this relationship is understudied. Objective: To examine whether parental accommodation (i.e. parents' attempts to adjust the environment to the child's difficulties) and child's coping strategies mediate the association between acute stress and PPCS in children following mTBI. Method: Participants were 58 children aged 8–16 who sustained a mTBI and their parents. Children's acute stress (one-week post-injury) and coping strategies (three weeks post-injury), and parental accommodation (three weeks and four months post-injury) were assessed. Outcome measures included PPCS (four months post-injury) and neuropsychological tests of cognitive functioning (attention and memory). A baseline for PPCS was obtained by a retrospective report of pre-injury symptoms immediately after the injury. Results: Children's acute stress and negative coping strategies (escape-oriented coping strategies) and four-months parental accommodation were significantly related to PPCS. Acute stress predicted PPCS and attention and memory performance. Parental accommodation significantly mediated the association between acute stress and PPCS. Conclusions: Stress plays an important role in children's recovery from mTBI and PPCS. Parental accommodation mediates this relationship, and thus, clinical attention to parental reactions during recovery is needed. [ABSTRACT FROM AUTHOR]

Following mild traumatic brain injury (mTBI) children usually experience one or more somatic, cognitive, and/or emotional-behavioral post-concussion symptoms (PCS). PCS may be transient, however for some children, persistent post-concussion symptoms (PPCS) might linger for months or years. Identifying risk factors for PPCS may allow earlier interventions for patients at greater risk. We examined pre-injury social difficulties and acute stress reaction as risk factors to PPCS in children. Participants were 83 children (aged 8–16) with mTBI. In a prospective follow-up, pre-injury social difficulties, 24-hours post-concussion symptoms, and acute stress reactions were tested as predictors of one-week and four-months PCS reports. Parents' reports, self-reports, and neurocognitive tests were employed. One-week PCS level was associated with acute stress, and not with 24-hours post-concussion symptoms or pre-injury social difficulties. Four-months PCS level was predicted by pre-injury social difficulties and 24-hours post-concussion symptoms, with no contribution of acute stress. Interestingly, less symptoms at 24-hour from injury were associated with a higher level of PCS at four months. Cognitive functioning at four months was predicted by acute stress, with no contribution of 24-hours post-concussion symptoms or pre-injury social difficulties. Cognitive functioning did not differ between children with and without PPCS. In conclusion, non-injury, socio-emotional factors (pre-injury social difficulties, acute stress) should be considered, alongside injury-related factors, in predicting recovery from mTBI. Pre-injury social difficulties and stress reaction to the traumatic event might pose an emotional burden and limit one's social support during recovery, thus require clinical attention in children following mTBI. [ABSTRACT FROM AUTHOR]

Following mild traumatic brain injury (mTBI) children usually experience one or more somatic, cognitive, and/or emotional-behavioral post-concussion symptoms (PCS). PCS may be transient, however for some children, persistent post-concussion symptoms (PPCS) might linger for months or years. Identifying risk factors for PPCS may allow earlier interventions for patients at greater risk. We examined pre-injury social difficulties and acute stress reaction as risk factors to PPCS in children. Participants were 83 children (aged 8-16) with mTBI. In a prospective follow-up, pre-injury social difficulties, 24-hours post-concussion symptoms, and acute stress reactions were tested as predictors of one-week and four-months PCS reports. Parents' reports, self-reports, and neurocognitive tests were employed. One-week PCS level was associated with acute stress, and not with 24-hours post-concussion symptoms or pre-injury social difficulties. Four-months PCS level was predicted by pre-injury social difficulties and 24-hours post-concussion symptoms, with no contribution of acute stress. Interestingly, less symptoms at 24-hour from injury were associated with a higher level of PCS at four months. Cognitive functioning at four months was predicted by acute stress, with no contribution of 24-hours post-concussion symptoms or pre-injury social difficulties. Cognitive functioning did not differ between children with and without PPCS. In conclusion, non-injury, socio-emotional factors (pre-injury social difficulties, acute stress) should be considered, alongside injury-related factors, in predicting recovery from mTBI. Pre-injury social difficulties and stress reaction to the traumatic event might pose an emotional burden and limit one's social support during recovery, thus require clinical attention in children following mTBI.