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Transcranial direct current stimulation in ADHD: a systematic review of efficacy, safety, and protocol-induced electrical field modeling results

dc.contributor.authorSalehinejad, M.A.
dc.contributor.authorNejati, Vahid
dc.contributor.authorMosayebi-Samani, M.
dc.contributor.authorMohammadi, Ali
dc.contributor.authorWischnewski, Miles
dc.contributor.authorKuo, Min-Fang
dc.contributor.authorAvenanti, Alessio
dc.contributor.authorVicario, C.M.
dc.contributor.authorNitsche, M.A.
dc.date.accessioned2023-05-16T14:53:31Z
dc.date.available2023-05-16T14:53:31Z
dc.date.issued2020
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/4783
dc.description.abstractTranscranial direct current stimulation (tDCS) is a promising method for altering cortical excitability with clinical implications. It has been increasingly used in neurodevelopmental disorders, especially attention-deficit hyperactivity disorder (ADHD), but its efficacy (based on effect size calculations), safety, and stimulation parameters have not been systematically examined. In this systematic review, we aimed to (1) explore the effectiveness of tDCS on the clinical symptoms and neuropsychological deficits of ADHD patients, (2) evaluate the safety of tDCS application, especially in children with ADHD, (3) model the electrical field intensity in the target regions based on the commonly-applied and effective versus less-effective protocols, and (4) discuss and propose advanced tDCS parameters. Using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses approach, a literature search identified 14 empirical experiments investigating tDCS effects in ADHD. Partial improving effects of tDCS on cognitive deficits (response inhibition, working memory, attention, and cognitive flexibility) or clinical symptoms (e.g., impulsivity and inattention) are reported in 10 studies. No serious adverse effects are reported in 747 sessions of tDCS. The left and right dorsolateral prefrontal cortex are the regions most often targeted, and anodal tDCS the protocol most often applied. An intensity of 2 mA induced stronger electrical fields than 1 mA in adults with ADHD and was associated with significant behavioral changes. In ADHD children, however, the electrical field induced by 1 mA, which is likely larger than the electrical field induced by 1 mA in adults due to the smaller head size of children, was sufficient to result in significant behavioral change. Overall, tDCS seems to be a promising method for improving ADHD deficits. However, the clinical utility of tDCS in ADHD cannot yet be concluded and requires further systematic investigation in larger sample sizes. Cortical regions involved in ADHD pathophysiology, stimulation parameters (e.g. intensity, duration, polarity, and electrode size), and types of symptom/deficit are potential determinants of tDCS efficacy in ADHD. Developmental aspects of tDCS in childhood ADHD should be considered as well.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceNeuroscience Bulletin, 36, 1191-1212es_CL
dc.subjectTranscranial direct current stimulationes_CL
dc.subjectAttention-deficit hyperactivity disorderes_CL
dc.subjectDorsolateral prefrontal cortexes_CL
dc.subjectExecutive functiones_CL
dc.subjectSystematic reviewes_CL
dc.subjectBrain modelinges_CL
dc.subjectNon-invasive brain stimulationes_CL
dc.subjectPediatrices_CL
dc.titleTranscranial direct current stimulation in ADHD: a systematic review of efficacy, safety, and protocol-induced electrical field modeling resultses_CL
dc.typeArticlees_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.indexacionIsies_CL
dc.ucm.urisibib2.ucm.cl:2048/login?url=https://link.springer.com/article/10.1007/s12264-020-00501-xes_CL
dc.ucm.doidoi.org/10.1007/s12264-020-00501-xes_CL


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