Does Hand-Dominance Matter in Non-Standard Visuomotor Transformations?

Jones, Briasha D.; Gemmert, Arend W. A. Van; Dalecki, Marc

doi:10.1080/00222895.2020.1817840

Cited by 3 publications

(2 citation statements)

References 31 publications

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“…Setiap penggunaan tangan dominan baik kanan atau kiri tentunya masingmasing memiliki keunggulan dan kelemahannya. Pemilihan dalam penggunaan tangan dominan akan lebih baik fungsinya dibandingkan tangan tidak dominan (Jones et al, 2021). Ditinjau dari berbagai sebelumnya, maka keterampilan visual tangan dominan sangat penting dikembangkan sebelum anak siap menulis.…”

Section: Bagan 3 Implementation Of Systematic Reviewunclassified

Keterampilan Penting Sebelum Anak Siap Menulis

Andika

Utami

Sumarni

et al. 2022

J. Obs. J. Pendidik. Anak Usia Dini

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Adanya kesenjangan antara orang tua yang menginginkan anaknya segera terampil menulis dan fakta bahwa anak memerlukan kesiapan fisik yang matang dalam menulis. Kesenjangan tersebut menimbulkan pertanyaan apa saja keterampilan yang penting distimulasi sebelum anak siap menulis. Tujuan penelitian ini mengkaji literatur hasil penelitian tentang keterampilan sebelum anak siap menulis. Metode penelitian adalah studi literatur dari sumber primer. Hasil kajian literatur menyatakan terdapat: kekuatan otot inti, menyilangkan garis tengah, menggenggam pensil dengan benar, koordinasi mata-tangan, integrasi bilateral, kekuatan tubuh bagian atas, manipulasi objek, persepsi visual, dominasi tangan visual. Kebaharuan penelitian ini mengkaji informasi tentang sembilan keterampilan yang harus distimulasi sebelum anak siap menulis dari 45 hasil penelitian terbaru. Dampaknya guru dapat memfokuskan pengembangan keterampilan tersebut secara optimal sehingga anak tidak mudah letih saat menulis dan anak dapat menggunakan keterampilan pada aktivitas lebih kompleks. Simpulan pentingnya stimulasi keterampilan tersebut sebagai indikator kesiapan menulis anak.

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Section: Bagan 3 Implementation Of Systematic Reviewunclassified

Keterampilan Penting Sebelum Anak Siap Menulis

Andika

Utami

Sumarni

et al. 2022

J. Obs. J. Pendidik. Anak Usia Dini

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“…As in earlier work with similar eye-hand decoupling tasks (e.g. Jones, Van Gemmert, & Dalecki, 2021;Yeomans, Yan, Hondzinski, & Dalecki, 2021), main dependent variables of interest from the visuomotor tasks were reaction time (RT), absolute initial direction error (IDE), total movement time (MT), path length (PL), and movement accuracy (AE). These variables represent spatial and temporal characteristics linked to movement planning (i.e.…”

Section: Dependent Measuresmentioning

confidence: 99%

Prolonged eye‐hand decoupling deficits in young adults with a history of concussion from adolescence

Phillips

Adkins

Jones

et al. 2022

European Journal of Sport Science

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Previous studies reported that adolescents with a sport-related concussion history showed prolonged visuomotor deficits during an eye-hand decoupling task until around 1.5-2 years post-event. The present study expands this work, examining whether such deficits do or do not emerge when testing individuals in young adulthood, i.e. later post-event. Twenty-one nonathlete college students with sport-related concussion history from adolescence (CH; M = 21 yrs.; M = 46 months post-concussion, range 10-90 months) and twenty controls with no history of concussion (NoH; M = 21 yrs.) performed two touchscreen-based visuomotor tasks. It included a coupled task where eyes and hand moved in similar directions, and decoupled-task with eyes and hand going to different directions. Movement planning (e.g. reaction time, initial direction error) and execution (e.g. movement time, path length) related variables were analyzed in both groups and conditions. Movement execution measures were similar for both groups and conditions (all p > 0.05). However, movement planning was impaired in the CH participants in the eye-hand decoupling condition (p < 0.05). CH's initial direction error was larger (i.e. worse spatial movement planning) than in the NoH group. Although movement execution deficits shown in earlier work in youth were not present in young adults, the present results suggest that a sport-related concussion sustained in adolescence can lead to prolonged deficits with spatial movement planning processes while performing eye-hand decoupling tasks about four years post-injury. Further research should investigate whether these deficits continue into adulthood and expand control on time since concussion and number of concussion metrics. Highlights. Young adult college students with a history of a sport-related concussion from adolescence, tested about four years post-incident, showed spatial movement preparation deficits during an eye-hand decoupling visuomotor task. . Eye-hand reversal decoupling errors also correlated with time since concussion in those with concussion history. . These prolonged eye-hand decoupling deficits may emerge with ongoing time post-event, as comparable deficits were absent in previous work where youth were tested sooner post-injury. . Our current findings point towards long-lasting performance impairments in young adult nonathletes after a sport-related concussion from adolescence.

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