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ADHD is a common neurodevelopmental disorder with a pediatric prevalence of 5.2%.While medication treatment for ADHD is effective, it does not address all symptoms and a small but notable subgroup does not respond to medications. Adverse effects limit its use and some parents and participants resist use of medication. Thus, limitations of medication treatment for ADHD motivate searching for other therapeutic options. Transcranial Direct Current Stimulation (tDCS) has been suggested as a treatment for children with ADHD, with mixed results to date. Protocol variables employed, including combined use of cognitive training (CT) and scheduling of sessions, may explain diverse findings to date. The aim of this study was to examine safety, feasibility and efficacy of tDCS combined with CT provided three-times-per week for one-month to treat children with ADHD.In a double blind, randomized, sham-controlled pilot study, 25 children with ADHD were randomized to receive 12 sessions of either anodal tDCS or sham-tDCS for 20 min combined with CT three-times-per-week for four weeks. The tDCS anode was over left dorsolateral prefrontal cortex (DLPFC) and cathode over vertex. Assessments were obtained prior to, after 6 sessions, 12 sessions and one-month after intervention.No significant post-intervention differences were found between those receiving tDCS or sham-tDCS. Both groups demonstrated significant improvement on questionnaire measures of ADHD and executive function with mixed results seen on computerized performance measures. Overall, adverse effects were mild with no significant difference between groups. However, three children, all from the tDCS group, experienced headaches with two requiring temporary cessation and one requiring removal from the study.Anodal tDCS to the DLPFC using the above protocol in children with ADHD did not demonstrate additional treatment benefits beyond that of CT.

Peer reviewed: True, Funder: Jacobs Foundation; FundRef: https://doi.org/10.13039/501100003986, Funder: Nuffield Foundation; FundRef: https://doi.org/10.13039/501100000279, Statements by alleged victims are important when child abuse is prosecuted; triers-of-fact often attend to nonverbal emotional expressions when evaluating those statements. This study examined the associations among interviewer supportiveness, children's nonverbal emotions, and informativeness during 100 forensic interviews with alleged victims of child abuse. Raters coded the silent videotapes for children's nonverbal emotional expressions while other raters coded the transcripts for interviewer support, children's verbal emotions, and informativeness. Results showed that children's nonverbal signals were more common than and preceded the verbal signs. Interviewer support was associated with children's expressivity. When children expressed more nonverbal emotions, they were more responsive during the pre-substantive phases and more informative about the abuse. Nonverbal emotions partially mediated the association between support and informativeness. The findings underline the value of nonverbal emotional expression during forensic interviews and demonstrate how the interviewers' supportive demeanor can facilitate children's emotional displays and increase informativeness.

BACKGROUND: Emotions can powerfully affect memory retrieval although this effect has seldom been studied in everyday contexts. OBJECTIVE: This study aimed to explore the association between children's verbal emotional expressions and the type of information reported during forensic interviews. PARTICIPANTS AND SETTING: The sample included 198 interviews with 4- to 14-year-old (M = 9.36, SD = 2.37) alleged victims of repeated physical abuse perpetrated by family members conducted using the Revised NICHD Protocol which emphasizes a supportive interviewing style. METHODS: Interview videos were transcribed and each conversational turn was coded to reflect the amount and type of children's verbal emotional expressions, forensic information provided, interviewers' demeanor, and type of question asked. RESULTS: The verbal expression of negative emotions was positively associated with the production of more central details (β = 0.29, SE = 0.05, p < 0.001) and peripheral details (β = 0.66, SE = 0.07, p < 0.001), while the verbal expression of positive emotions was correlated with peripheral details (β = 0.29, SE = 0.15, p = 0.047). The verbal expression of negative emotions was associated with the production of more specific details (β = 0.73, SE = 0.06, p < 0.001]) and less generic information (β = -0.39, SE = 0.18, p = 0.029) whereas positive emotions were associated only with increased specific information (β = 0.28, SE = 0.12, p = 0.025). CONCLUSIONS: These findings highlight how emotional expression, especially of negative emotions, enhances the quantity and quality of children's reports in forensic contexts.