Fractal fluctuations in exploratory movements predict differences in dynamic touch capabilities between children with Attention-Deficit Hyperactivity Disorder and typical development

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dc.creatorBruna Silva Avelar
dc.creatorMarisa Cotta Mancini
dc.creatorSergio Teixeira da Fonseca
dc.creatorDamian G. Kelty-Stephen
dc.creatorDébora Marques de Miranda
dc.creatorMarco Aurélio Romano-Silva
dc.creatorPriscila Albuquerque de Araújo
dc.creatorPaula Lanna Pereira da Silva
dc.date.accessioned2022-03-09T23:21:20Z
dc.date.accessioned2025-09-08T23:13:43Z
dc.date.available2022-03-09T23:21:20Z
dc.date.issued2019-05-21
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1371/journal.pone.0217200
dc.identifier.issn1932-6203
dc.identifier.urihttps://hdl.handle.net/1843/39908
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPlos One
dc.rightsAcesso Aberto
dc.subjectCrianças
dc.subjectTranstorno do déficit de atenção com hiperatividade
dc.subjectPercepção
dc.subjectMovimento
dc.subject.otherCrianças
dc.subject.otherTranstorno do déficit de atenção com hiperatividade
dc.subject.otherPercepção
dc.subject.otherMovimento
dc.titleFractal fluctuations in exploratory movements predict differences in dynamic touch capabilities between children with Attention-Deficit Hyperactivity Disorder and typical development
dc.typeArtigo de periódico
local.citation.epage16
local.citation.spage1
local.citation.volume14
local.description.resumoChildren with Attention-Deficit Hyperactivity Disorder (ADHD) struggle to perform a host of daily activities. Many of these involve forceful interaction with objects and thus implicate dynamic touch. Therefore, deficits in dynamic touch could underlie functional difficulties presented by ADHD children. We investigated whether performance on a dynamic touch task (length perception by wielding) differ between children with ADHD and age-matched controls. We further examined whether this difference could be explained by fractal temporal correlations (wielding dynamics). Forty-two children (ADHD: 21; typically developing: 21) wielded unseen wooden rods and reported their perceived length in the form of magnitude productions. The rods varied in the magnitude of the first principal moment of inertia (I1). Three-dimensional displacements of hand and rod positions were submitted to Detrended Fluctuation Analysis to estimate trial-by-trial temporal correlations. Children with ADHD reported shorter length for rods with higher I1 than their typically developing peers, indicative of reduced sensitivity to mechanical information supporting dynamic touch. Importantly, temporal correlations in wielding dynamics moderated children’s usage of I1. This finding points to a role of exploratory movements in perceptual deficits presented by children with ADHD and, thus, should be considered a new potential target for interventions.
local.identifier.orcidhttp://orcid.org/0000-0001-7332-8486
local.identifier.orcidhttp://orcid.org/0000-0002-6558-4639
local.identifier.orcidhttp://orcid.org/0000-0002-3610-3031
local.identifier.orcidttp://orcid.org/0000-0002-3749-5575
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE FISIOTERAPIA
local.publisher.departmentEEF - DEPARTAMENTO DE TERAPIA OCUPACIONAL
local.publisher.departmentMED - DEPARTAMENTO DE PEDIATRIA
local.publisher.departmentMED - DEPARTAMENTO DE SAÚDE MENTAL
local.publisher.initialsUFMG
local.url.externahttps://journals.plos.org/plosone/article?id=10.1371/journal.pone.0217200

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