Lack of interlimb transfer following visuomotor adaptation in a person with congenital mirror movements despite the awareness of the visuomotor perturbation

Javidialsaadi, Mousa; Wang, Jinsung

doi:10.1016/j.bandc.2020.105653

Cited by 4 publications

(4 citation statements)

References 38 publications

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“…Indeed, there is evidence that intermanual transfer can be facilitated by a cognitive strategy [ 17 , 37 – 40 ]. Explicit (cognitive) processes were found to be primarily responsible for intermanual transfer of a visuomotor adaptation task when participants adapted to a large visuomotor distortion of which they were aware [ 17 ].…”

Section: Discussionmentioning

confidence: 99%

“…Intermanual transfer was facilitated in the endpoint feedback condition, suggesting that effector-independent learning was facilitated by a cognitive strategy [ 39 ]. Despite the differences of experimental design and tasks in the above-mentioned studies [ 17 , 37 – 40 ], the cognitive aspect, which is inherent in the task, improved the intermanual transfer. It should be noted that our study design did not aim to elucidate the respective contributions of the cognitive and motor aspects to ipsilateral transfer.…”

Section: Discussionmentioning

confidence: 99%

“…On the other hand, there is also contradictory evidence that intermanual transfer does not depend on cognitive awareness of visuomotor perturbation [ 40 ]. Even informing the participants about the rotation prior to the adaptation session (presumably leading to full awareness) did not lead to increased intermanual transfer compared to adaptation without explanation [ 41 ].…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, it seems that the combined practice of the motor and cognitive aspects was required to trigger ipsilateral transfer from the LL to the UL. Indeed, there is evidence that intermanual transfer can be facilitated by a cognitive strategy [17,[37][38][39][40]. Explicit (cognitive) processes were found to be primarily responsible for intermanual transfer of a visuomotor adaptation task when participants adapted to a large visuomotor PLOS ONE distortion of which they were aware [17].…”

Section: Plos Onementioning

confidence: 99%

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Ipsilateral transfer of motor skill from lower to upper limb in healthy adults: A randomized controlled trial

Sherman,

Elion,

Kozol

et al. 2024

PLoS ONE

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Background and purpose Whereas motor skills of the untrained upper limb (UL) can improve following practice with the other UL, it has yet to be determined if an UL motor skill can improve following practice of that skill with the lower limb (LL). Methods Forty-five healthy subjects randomly participated in a 10-minute single-session intervention of (1) practicing 50 reaching movement (RM) sequences with the non-dominant left LL toward light switches (LL group); or (2) observing the identical 50 light switches sequences (Switches Observation (SO) group); or (3) observing nature films (Nature Observation (NO) group). RM sequence performance with the left UL toward the light switches was tested before and immediately after the intervention and retested after 24 h. Results Reaching response time improved in the LL group more than in the SO and NO groups in the posttest (pBonferroni = 0.038 and pBonferroni < 0.001, respectively), and improved in the LL group more than in the NO group in the retest (pBonferroni = 0.004). Percentage of fails did not differ between groups across the timepoints. Conclusions It appears that the actual practice of the RM sequence skill with the UL together with the cognitive element embedded in the observation of the RM sequences contributes to ipsilateral transfer from LL to UL.

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