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Lage GM, Bicalho LEA, Machado S, Lelis-Torres N, Fernandes LA, Apolinário-Souza T. Motor Learning and the Interactions Between Working Memory and Practice Schedule. J Mot Behav 2024:1-11. [PMID: 39011949 DOI: 10.1080/00222895.2024.2374010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 06/20/2024] [Indexed: 07/17/2024]
Abstract
The benefits of less repetitive practice schedules on motor learning are usually described in terms of greater demand for memory processes. The present study aimed to investigate the interactions between working memory and practice schedule and their effects on motor learning. Forty female participants had their WMC evaluated by the N-back test and were randomly allocated to either the variable random (VP) or the constant practice (CP) groups. In the acquisition phase, participants practiced 120 trials of a sequential key-pressing task with two goals: learning the relative and the absolute timing. Delayed retention and transfer tests occurred 24 h after the acquisition phase. Participants performed 12 trials of the motor task. Results showed that in the CP, learners with a high level of WMC presented better motor performance in the transfer test than learners with a low level of WMC. In the RP, no difference between WMC levels was found. Learners with a high level of WMC in the CP presented the same motor performance as learners in the RP regardless of the WMC level in the transfer test. In conclusion, learners with a high WMC could compensate for the poor working memory stimulation of a more repetitive practice schedule. The high WMC did not seem to exert an additional benefit when learners were well stimulated by a less repetitive practice schedule.
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Affiliation(s)
- Guilherme Menezes Lage
- Department of Physical Education, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Lucas Eduardo Antunes Bicalho
- Department of Physical Education, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Sergio Machado
- Department of Sports Methods and Techniques, Federal University of Santa Maria (UFSM), Santa Maria, Brazil
| | - Natália Lelis-Torres
- Department of Physical Education, School of Physical Education, Physiotherapy and Occupational Therapy, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil
| | | | - Tércio Apolinário-Souza
- Department of Physical Education, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
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Tsay JS, Irving C, Ivry RB. Signatures of contextual interference in implicit sensorimotor adaptation. Proc Biol Sci 2023; 290:20222491. [PMID: 36787799 PMCID: PMC9928522 DOI: 10.1098/rspb.2022.2491] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 01/23/2023] [Indexed: 02/16/2023] Open
Abstract
Contextual interference refers to the phenomenon whereby a blocked practice schedule results in faster acquisition but poorer retention of new motor skills compared to a random practice schedule. While contextual interference has been observed under a broad range of tasks, it remains unclear if this effect generalizes to the implicit and automatic recalibration of an overlearned motor skill. To address this question, we compared blocked and random practice schedules in a visuomotor rotation task that isolates implicit adaptation. In experiment 1, we found robust signatures of contextual interference in implicit adaptation: compared to participants tested under a blocked training schedule, participants tested under a random training schedule exhibited a reduced rate of learning during the training phase but better retention during a subsequent no-feedback assessment phase. In experiment 2, we again observed an advantage in retention following random practice and showed that this result was not due to a change in context between the training and assessment phases (e.g. a blocked training schedule followed by a random assessment schedule). Taken together, these results indicate that contextual interference is not limited to the acquisition of new motor skills but also applies to the implicit adaptation of established motor skills.
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Affiliation(s)
- Jonathan S. Tsay
- Department of Psychology, University of California, Berkeley, CA, USA
- Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA
| | - Carolyn Irving
- Department of Psychology, University of California, Berkeley, CA, USA
| | - Richard B. Ivry
- Department of Psychology, University of California, Berkeley, CA, USA
- Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA
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3
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Concurrent locomotor adaptation and retention to visual and split-belt perturbations. PLoS One 2022; 17:e0279585. [PMID: 36584009 PMCID: PMC9803095 DOI: 10.1371/journal.pone.0279585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 12/09/2022] [Indexed: 12/31/2022] Open
Abstract
Gait asymmetry is a common symptom in groups with neurological disorders and significantly reduces gait efficiency. To develop efficient training for gait rehabilitation, we propose a novel gait rehabilitation paradigm that combines two distinct perturbation strategies: visual feedback distortion (VFD) and split-belt treadmill (SBT) walking. In SBT walking, spatiotemporal gait adaptation can be readily achieved, but it quickly fades after training. Gait adaptation to implicit VFD in an unconscious manner tends to persist longer, potentially due to a greater engagement of implicit learning during training. Thus, we investigated whether the combined strategies would lead to more effective changes in symmetric gait patterns with longer retention periods. We compared the retention of the preserved asymmetric pattern acquired by "implicit VFD+SBT walking" with "SBT-only walking" and with "SBT walking with conscious correction". In the implicit VFD+SBT walking, the speed of the two belts was gradually changed, the visual representation of gait symmetry was implicitly distorted, and no instructions were given to subjects except to watch the visual feedback. In the SBT walking with conscious correction, subjects were instructed to consciously correct their steps with the help of visual feedback while SBT walking. The SBT-only walking consisted of SBT walking with no visual feedback. After the 7-minute adaptation period, we removed the visual feedback and the split-belt perturbations, and we assessed the retention of the preserved asymmetric pattern while subjects continued walking for the 15-minute post-adaptation period. In a group of subjects who spontaneously showed visuomotor adaptation in response to the implicit VFD (16 out of 27 subjects), we found a greater retention rate during the implicit VFD+SBT walking trial than the SBT-only walking or the SBT walking with conscious correction trials. The implicit visual distortion paradigm delivered in an attention-independent (unconscious) manner can be utilized and integrated into SBT walking to improve the efficacy of symmetric gait adaptation by producing longer-lasting effects on the retention of a newly learned motor pattern.
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Ramezanzade H, Saemi E, Broadbent DP, Porter JM. An Examination of the Contextual Interference Effect and the Errorless Learning Model during Motor Learning. J Mot Behav 2022; 54:719-735. [PMID: 35617945 DOI: 10.1080/00222895.2022.2072265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The purpose of this study was to investigate the combined effects of random and block practice, with errorless and errorful conditions, on motor learning. One hundred-twenty participants (all male, Mage = 21.19 ± 1.4 years) were randomly assigned to one of eight groups. Participants completed a dart throwing task across the experimental phases. In the retention test, evidence supporting the CI effect was found in the 'errorless' conditions, but not in the 'errorful' conditions. In the transfer tests, the findings indicated that the impact of errorless and errorful conditions on participants' automation levels depends on the structure of practice. Participants in the Random-Errorless group performed better in the transfer tests than those in the Random group and the Random-Errorful group, suggesting greater automation levels following errorless practice.
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Affiliation(s)
- Hesam Ramezanzade
- Department of Sport Science, School of Humanities, Damghan University, Damghan, Iran
| | - Esmaeel Saemi
- Department of Motor Behavior and Sport Psychology, Faculty of Sport Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - David P Broadbent
- Centre for Cognitive Neuroscience, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
| | - Jared M Porter
- Department of Kinesiology, Recreation, and Sport Studies, University of Tennessee, Knoxville, USA
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5
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Bianchi K, Brillinger M, Patterson JT. Size Perception of a Sport Target as a Function of Practice Success Conditions. Front Psychol 2022; 12:768131. [PMID: 35115983 PMCID: PMC8805456 DOI: 10.3389/fpsyg.2021.768131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/03/2021] [Indexed: 11/17/2022] Open
Abstract
Superior motor task success has been correlated with participants’ self-reports of a larger-than-actual size of a sport-related target. In the present study, we examined whether a putting practice condition with greater success would differentially impact participants’ self-reported perceptions of the size of the putting hole during acquisition and retention. We randomly assigned participants to one of three different practice conditions (success-early, success-late, and self-controlled success) and had them self-report their perceived size of the putting hole upon completion of each required putting distance (25, 50, 75, 100, 125, 150, 175, 200 cm). Although there were no statistically significant differences between motor task success in the acquisition or retention period for the practice conditions, self-reported perceptions of target size were impacted by practice condition. During the acquisition period, participants in the self-controlled success and success-late conditions self-reported that the putting hole was larger than did participants in the success-early condition. In the retention period, participants in the self-controlled success condition perceived the target as larger than those in the success-early condition. These findings are the first to show that practice condition, independent of task success, differentially impacted self-reported perception of a target size.
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Affiliation(s)
- Krystina Bianchi
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
| | - Molly Brillinger
- Faculty of Kinesiology & Physical Education, University of Toronto, Toronto, ON, Canada
| | - Jae Todd Patterson
- Department of Kinesiology, Brock University, St. Catharines, ON, Canada
- *Correspondence: Jae Todd Patterson,
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6
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Abstract
Compared to blocked practice, interleaved practice of different tasks leads to superior long-term retention despite poorer initial acquisition performance. This phenomenon, the contextual interference effect, is well documented in various domains but it is not yet clear if it persists in the absence of explicit knowledge in terms of fine motor sequence learning. Additionally, while there is some evidence that interleaved practice leads to improved transfer of learning to similar actions, transfer of implicit motor sequence learning has not been explored. The present studies used a serial reaction time task where participants practiced three different eight-item sequences that were either interleaved or blocked on Day 1 (training) and Day 2 (testing). In Experiment 1, the retention of the three training sequences was tested on Day 2 and in Experiment 2, three novel sequences were performed on Day 2 to measure transfer. We assessed whether subjects were aware of the sequences to determine whether the benefit of interleaved practice extends to implicitly learned sequences. Even for participants who reported no awareness of the sequences, interleaving led to a benefit for both retention and transfer compared to participants who practiced blocked sequences. Those who trained with blocked sequences were left unprepared for interleaved sequences at test, while those who trained with interleaved sequences were unaffected by testing condition, revealing that learning resulting from blocked practice may be less flexible and more vulnerable to testing conditions. These results indicate that the benefit of interleaved practice extends to implicit motor sequence learning and transfer.
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Affiliation(s)
- Julia M Schorn
- Department of Psychology, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
| | - Barbara J Knowlton
- Department of Psychology, University of California, Los Angeles, Los Angeles, CA, 90095, USA
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7
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Hodges NJ, Lohse KR. Difficulty is a Real Challenge: A Perspective on the Role of Cognitive Effort in Motor Skill Learning. JOURNAL OF APPLIED RESEARCH IN MEMORY AND COGNITION 2020. [DOI: 10.1016/j.jarmac.2020.08.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Bonney N, Berry J, Ball K, Larkin P. The Development of a Field-Based Kicking Assessment to Evaluate Australian Football Kicking Proficiency. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2020; 91:73-82. [PMID: 31502925 DOI: 10.1080/02701367.2019.1647331] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Accepted: 07/17/2019] [Indexed: 05/24/2023]
Abstract
Purpose: In Australian Football (AF), the ability to proficiently kick the ball is a critical skill and has been shown to be advantageous to a team's successful performance; however, a valid and reliable match referenced kicking assessment remains absent. Therefore, the aim of this study was to develop a valid and reliable AF kicking proficiency assessment comparative to match play kicking performance. Method: Youth male Australian Football players (n = 251) from different stages within the AF talent pathway were recruited. The developed AFFB-DKA (Australian Football Field-Based-Dynamic Kicking Assessment) considered particular constraints of match play kicking demands such as kick type, distance, delivery, and locomotion of the player receiving the ball. In total, 14 kicks were completed during the test. Validity (i.e., content, logical and construct) and reliability (i.e., test re-test) were assessed. Results: Findings indicate the kicking test can distinguish across and between age (i.e., U14; U16; U18) and skill groups (i.e., club; sub-elite; elite). The timeframe between U14 and U16 was identified as a potential key period where kicking skill acquisition may be most impressionable; however, further research is recommended to support this. Conclusion: The developed AFFB-DKA is the first Australian Football specific kicking assessment to consider and apply match play kicking constraints to make a more representative, valid and reliable assessment.
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Affiliation(s)
| | | | | | - Paul Larkin
- Victoria University
- Maribrynong Sports Academy
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9
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Shuggi IM, Oh H, Wu H, Ayoub MJ, Moreno A, Shaw EP, Shewokis PA, Gentili RJ. Motor Performance, Mental Workload and Self-Efficacy Dynamics during Learning of Reaching Movements throughout Multiple Practice Sessions. Neuroscience 2019; 423:232-248. [PMID: 31325564 DOI: 10.1016/j.neuroscience.2019.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Revised: 06/29/2019] [Accepted: 07/01/2019] [Indexed: 10/26/2022]
Abstract
The human capability to learn new motor skills depends on the efficient engagement of cognitive-motor resources, as reflected by mental workload, and psychological mechanisms (e.g., self-efficacy). While numerous investigations have examined the relationship between motor behavior and mental workload or self-efficacy in a performance context, a fairly limited effort focused on the combined examination of these notions during learning. Thus, this study aimed to examine their concomitant dynamics during the learning of a novel reaching skill practiced throughout multiple sessions. Individuals had to learn to control a virtual robotic arm via a human-machine interface by using limited head motion throughout eight practice sessions while motor performance, mental workload, and self-efficacy were assessed. The results revealed that as individuals learned to control the robotic arm, performance improved at the fastest rate, followed by a more gradual reduction of mental workload and finally an increase in self-efficacy. These results suggest that once the performance improved, less cognitive-motor resources were recruited, leading to an attenuated mental workload. Considering that attention is a primary cognitive resource driving mental workload, it is suggested that during early learning, attentional resources are primarily allocated to address task demands and not enough are available to assess self-efficacy. However, as the performance becomes more automatic, a lower level of mental workload is attained driven by decreased recruitment of attentional resources. These available resources allow for a reliable assessment of self-efficacy resulting in a subsequent observable change. These results are also discussed in terms of the application to the training and design of assistive technologies.
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Affiliation(s)
- Isabelle M Shuggi
- Department of Kinesiology, School of Public Health, University of Maryland, College Park, MD, USA; Program in Neuroscience and Cognitive Science, University of Maryland, College Park, MD, USA
| | - Hyuk Oh
- Department of Kinesiology, School of Public Health, University of Maryland, College Park, MD, USA; Program in Neuroscience and Cognitive Science, University of Maryland, College Park, MD, USA
| | - Helena Wu
- Department of Kinesiology, School of Public Health, University of Maryland, College Park, MD, USA
| | - Maria J Ayoub
- Department of Kinesiology, School of Public Health, University of Maryland, College Park, MD, USA
| | - Arianna Moreno
- Department of Kinesiology, School of Public Health, University of Maryland, College Park, MD, USA
| | - Emma P Shaw
- Department of Kinesiology, School of Public Health, University of Maryland, College Park, MD, USA; Program in Neuroscience and Cognitive Science, University of Maryland, College Park, MD, USA
| | - Patricia A Shewokis
- School of Biomedical Engineering, Science, and Health Systems, Drexel University, Philadelphia, PA, USA; Nutrition Sciences Department, College of Nursing and Health Professions, Drexel University, Philadelphia, PA, USA
| | - Rodolphe J Gentili
- Department of Kinesiology, School of Public Health, University of Maryland, College Park, MD, USA; Program in Neuroscience and Cognitive Science, University of Maryland, College Park, MD, USA; Maryland Robotics Center, University of Maryland, College Park, MD, USA.
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10
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Chunduru P, Kim SJ, Lee H. Gait symmetric adaptation: Comparing effects of implicit visual distortion versus split-belt treadmill on aftereffects of adapted step length symmetry. Hum Mov Sci 2019; 66:186-197. [PMID: 31063927 DOI: 10.1016/j.humov.2019.04.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 04/25/2019] [Accepted: 04/28/2019] [Indexed: 01/11/2023]
Abstract
Understanding gait adaptation is essential for rehabilitation, and visual feedback can be used during gait rehabilitation to develop effective gait training. We have previously shown that subjects can adapt spatial aspects of walking to an implicitly imposed distortion of visual feedback of step length. To further investigate the storage benefit of an implicit process engaged in visual feedback distortion, we compared the robustness of aftereffects acquired by visual feedback distortion, versus split-belt treadmill walking. For the visual distortion trial, we implicitly distorted the visual representation of subjects' gait symmetry, whereas for the split-belt trial, the speed ratio of the two belts was gradually adjusted without visual feedback. After adaptation, the visual feedback or the split-belt perturbation was removed while subjects continued walking, and aftereffects of preserved asymmetric pattern were assessed. We found that subjects trained with visual distortion trial retained aftereffects longest. In response to the larger speed ratio of split-belt walking, the subjects showed an increase in the size of aftereffects compared to the smaller speed ratio, but it steeply decreased over time in all the speed ratios tested. In contrast, the visual distortion group showed much slower decreasing rate of aftereffects, which was evidence of longer storage of an adapted gait pattern. Visual distortion adaptation may involve the interaction and integration of the change in motor strategy and implicit process in sensorimotor adaptation. Although it should be clarified more clearly through further studies, the findings of this study suggest that gait control employs distinct adaptive processes during the visual distortion and split-belt walking and also the level of reliance of an implicit process may be greater in the visual distortion adaptation than the split-belt walking adaptation.
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Affiliation(s)
- Pranathi Chunduru
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ 85287, United States
| | - Seung-Jae Kim
- Biomedical Engineering, California Baptist University, Riverside, CA 92504, United States.
| | - Hyunglae Lee
- School for Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85287, United States
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11
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North JS, Bezodis NE, Murphy CP, Runswick OR, Pocock C, Roca A. The effect of consistent and varied follow-through practice schedules on learning a table tennis backhand. J Sports Sci 2018; 37:613-620. [PMID: 30317921 DOI: 10.1080/02640414.2018.1522683] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
In table tennis the follow-through action after a shot is an important part of skill execution. In this experiment, we aimed to extend literature around the contextual interference effect by investigating whether the way the follow-through is organised in practice affects learning of the backhand shot in table tennis. Thirty unskilled participants were allocated to blocked-variable practice, random-variable practice or a control-constant group and aimed backhand shots towards a target following ball projection from a machine. Each group completed these shots in a pre-test, a training phase with follow-through manipulations, a post-test, and a retention test. The random-variable group improved their shot accuracy from pre-test to post-test and from pre-test to retention test (both P < 0.01, d = 1.03), whereas neither the blocked-variable nor the control-constant group displayed any change in shot accuracy. Practising the follow-through in a random-variable fashion enhanced learning of the preceding shot compared with blocked-variable practice or no follow-through instructions. The benefits of learning motor skills under conditions of high contextual interference also apply to how follow-through actions are organised. The findings are valuable to coaches and suggest that instructions related to the follow-through action should be considered as well as the primary skill itself.
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Affiliation(s)
- Jamie S North
- a Expert Performance and Skill Acquisition Research Group, Faculty of Sport, Health, and Applied Science , St Mary's University, Twickenham , London , UK
| | - Neil E Bezodis
- b Applied Sports, Technology, Exercise and Medicine Research Centre , Swansea University , Swansea , UK
| | - Colm P Murphy
- a Expert Performance and Skill Acquisition Research Group, Faculty of Sport, Health, and Applied Science , St Mary's University, Twickenham , London , UK.,c Department of Life Sciences , Brunel University London , London , UK
| | - Oliver R Runswick
- a Expert Performance and Skill Acquisition Research Group, Faculty of Sport, Health, and Applied Science , St Mary's University, Twickenham , London , UK.,d Department of Sport and Exercise Sciences , University of Chichester , Chichester , UK
| | - Chris Pocock
- a Expert Performance and Skill Acquisition Research Group, Faculty of Sport, Health, and Applied Science , St Mary's University, Twickenham , London , UK
| | - André Roca
- a Expert Performance and Skill Acquisition Research Group, Faculty of Sport, Health, and Applied Science , St Mary's University, Twickenham , London , UK
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12
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Kaipa R, Mariam Kaipa R. Role of Constant, Random and Blocked Practice in an Electromyography-Based Oral Motor Learning Task. J Mot Behav 2017; 50:599-613. [PMID: 29048235 DOI: 10.1080/00222895.2017.1383226] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
PURPOSE The role of principles of motor learning (PMLs) in speech has received much attention in the past decade. Oral motor learning, however, has not received similar consideration. This study evaluated the role of three practice conditions in an oral motor tracking task. METHOD Forty-five healthy adult participants were randomly and equally assigned to one of three practice conditions (constant, blocked, and random) and participated in an electromyography-based task. The study consisted of four sessions, at one session a day for four consecutive days. The first three days sessions included a practice phase, with immediate visual feedback, and an immediate retention phase, without visual feedback. The fourth session did not include practice, but only delayed retention testing, lasting 10-15 minutes, without visual feedback. RESULTS Random group participants performed better than participants in constant and blocked practice conditions on all the four days. Constant group participants demonstrated superior learning over blocked group participants only on day 4. CONCLUSION Findings indicate that random practice facilitates oral motor learning, which is in line with limb/speech motor learning literature. Future research should systematically investigate the outcomes of random practice as a function of different oral and speech-based tasks.
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Affiliation(s)
- Ramesh Kaipa
- a Department of Communication Sciences and Disorders , Oklahoma State University , Stillwater , OK 74078 , USA
| | - Roha Mariam Kaipa
- b Department of Psychology , Oklahoma State University , Stillwater , OK 74078 , USA
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13
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Shuggi IM, Oh H, Shewokis PA, Gentili RJ. Mental workload and motor performance dynamics during practice of reaching movements under various levels of task difficulty. Neuroscience 2017; 360:166-179. [PMID: 28757242 DOI: 10.1016/j.neuroscience.2017.07.048] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 07/17/2017] [Accepted: 07/19/2017] [Indexed: 10/19/2022]
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14
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Farrow D, Buszard T. Exploring the applicability of the contextual interference effect in sports practice. PROGRESS IN BRAIN RESEARCH 2017; 234:69-83. [PMID: 29031473 DOI: 10.1016/bs.pbr.2017.07.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
This review will consider three key issues considered critical when determining the efficacy of the contextual interference effect when applied to sports practice. First, the issue of complexity is considered in relation to the amount of interference actually needed in the applied sports setting to create effective learning. Second, the traditional underpinning mechanism/s of contextual interference are discussed in relation to recent neurophysiological perspectives on their viability. A counter-position to these dominant theories is also presented drawing on an implicit learning framework. The final issue considers the typical measures of learning used within the contextual interference literature and scrutinizes them relative to the needs of bridging the apparent theory-practice divide. The concluding section then presents a model to measure the degree of contextual interference within the applied setting, which in turn offers both future research directions as well as guidelines for practitioners.
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Affiliation(s)
- Damian Farrow
- Institute of Sport, Exercise and Active Living, Victoria University, Melbourne, VIC, Australia; Skill Acquisition, Australian Institute of Sport, VIC, Australia; Game Insight Group, Tennis Australia, Richmond, VIC, Australia.
| | - Tim Buszard
- Institute of Sport, Exercise and Active Living, Victoria University, Melbourne, VIC, Australia; Game Insight Group, Tennis Australia, Richmond, VIC, Australia
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15
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Kim SJ, Kayitesi MA, Chan A, Graham K. Effects of Partial Absence of Visual Feedback Information on Gait Symmetry. Appl Psychophysiol Biofeedback 2017; 42:107-115. [PMID: 28293760 DOI: 10.1007/s10484-017-9358-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The incorporation of real-time visual feedback during gait rehabilitation can improve the efficacy of training. Our prior work demonstrated that the imposed distortion of simple visual feedback information of step lengths entails an unintentional adaptive process in the subjects' spatial gait pattern, thereby suggesting the important role of implicit learning in the context of gait rehabilitation that employs visual feedback. The purpose of this study was to investigate whether the removal of a portion of visual feedback information-after it had initially been provided-had any impact on gait symmetry. Eighteen healthy subjects walked on a treadmill for 10-min periods at their preferred walking speed and at a slower walking speed (1.3 mph) during the experimental trials, in which two simple vertical bars corresponding to subject's right and left step length were displayed on a computer screen. Halfway through the trial, one of the bars was removed from the visual feedback via random selection. Subjects were instructed to continually walk normally and also look at the visual feedback until the trials were completed. The changes in step length symmetry ratio were computed and analyzed. We found that displaying only one side of visual feedback influenced subjects to spontaneously modulate gait symmetry away from the baseline, and also that the amount of modulated gait symmetry slightly increased when their walking speed decreased. The changes in gait symmetry occurred by producing either longer right steps produced than left steps or vice versa, but we were unable to find any correlation between side of removal (right or left side) and the different types of trend in response. This warrants further investigation in a study with a larger population. Nonetheless, the results of this study demonstrated the effect of partial absence of visual feedback on changes in step symmetry, and that the perturbation of visual information caused implicit (unintentional) motor processes. A gait training procedure involving a novel way of perturbing visual feedback, such as partial absence of visual feedback tested in this study, may be of value in gait rehabilitation by driving more efficient motor adaptations.
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Affiliation(s)
- Seung-Jae Kim
- Department of Biomedical Engineering, The Gordon and Jill Bourns College of Engineering, California Baptist University, 8432 Magnolia Avenue, Riverside, CA, 92504, USA.
| | - Marie Aimee Kayitesi
- Department of Biomedical Engineering, The Gordon and Jill Bourns College of Engineering, California Baptist University, 8432 Magnolia Avenue, Riverside, CA, 92504, USA
| | - Amy Chan
- Department of Biomedical Engineering, The Gordon and Jill Bourns College of Engineering, California Baptist University, 8432 Magnolia Avenue, Riverside, CA, 92504, USA
| | - Kimberli Graham
- Department of Biomedical Engineering, The Gordon and Jill Bourns College of Engineering, California Baptist University, 8432 Magnolia Avenue, Riverside, CA, 92504, USA
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16
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D’Innocenzo G, Gonzalez CC, Williams AM, Bishop DT. Looking to Learn: The Effects of Visual Guidance on Observational Learning of the Golf Swing. PLoS One 2016; 11:e0155442. [PMID: 27224057 PMCID: PMC4880294 DOI: 10.1371/journal.pone.0155442] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 04/28/2016] [Indexed: 11/18/2022] Open
Abstract
Skilled performers exhibit more efficient gaze patterns than less-skilled counterparts do and they look more frequently at task-relevant regions than at superfluous ones. We examine whether we may guide novices' gaze towards relevant regions during action observation in order to facilitate their learning of a complex motor skill. In a Pre-test-Post-test examination of changes in their execution of the full golf swing, 21 novices viewed one of three videos at intervention: i) a skilled golfer performing 10 swings (Free Viewing, FV); ii) the same video with transient colour cues superimposed to highlight key features of the setup (Visual Guidance; VG); iii) or a History of Golf video (Control). Participants in the visual guidance group spent significantly more time looking at cued areas than did the other two groups, a phenomenon that persisted after the cues had been removed. Moreover, the visual guidance group improved their swing execution at Post-test and on a Retention test one week later. Our results suggest that visual guidance to cued areas during observational learning of complex motor skills may accelerate acquisition of the skill.
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Affiliation(s)
- Giorgia D’Innocenzo
- Centre for Cognitive Neuroscience, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge, Middlesex, United Kingdom
- * E-mail: giorgia.d’
| | - Claudia C. Gonzalez
- Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge, Middlesex, United Kingdom
| | - A. Mark Williams
- Centre for Cognitive Neuroscience, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge, Middlesex, United Kingdom
| | - Daniel T. Bishop
- Centre for Cognitive Neuroscience, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, Uxbridge, Middlesex, United Kingdom
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Akizuki K, Ohashi Y. Measurement of functional task difficulty during motor learning: What level of difficulty corresponds to the optimal challenge point? Hum Mov Sci 2015; 43:107-17. [DOI: 10.1016/j.humov.2015.07.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 06/16/2015] [Accepted: 07/28/2015] [Indexed: 11/30/2022]
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18
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Kim SJ, Ogilvie M, Shimabukuro N, Stewart T, Shin JH. Effects of Visual Feedback Distortion on Gait Adaptation: Comparison of Implicit Visual Distortion Versus Conscious Modulation on Retention of Motor Learning. IEEE Trans Biomed Eng 2015; 62:2244-50. [DOI: 10.1109/tbme.2015.2420851] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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19
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Sanli EA, Lee TD. Nominal and functional task difficulty in skill acquisition: Effects on performance in two tests of transfer. Hum Mov Sci 2015; 41:218-29. [PMID: 25846951 DOI: 10.1016/j.humov.2015.03.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Revised: 03/09/2015] [Accepted: 03/11/2015] [Indexed: 11/19/2022]
Abstract
The influence of nominal and functional task difficulty during the acquisition of a motor skill was examined in two tests of transfer of learning. The task involved a ballistic, target-directed, finger action. Nominal task difficulty was defined as the distance of the target from the home position. Functional task difficulty was created by manipulating the progression of target distances during practice. Based on the challenge point framework (Guadagnoli & Lee, 2004), we predicted that practice with a set of targets farther away from the performer would benefit from less functional task difficulty, while practice with a closer set of targets would benefit from more functional task difficulty. In single-task transfer tests, learners who practiced using the high nominal task difficulty targets benefitted in terms of persistence of performance over time. In dual-task transfer tests, groups with an intermediate combined (nominal and functional) task difficulty performed with greater persistence over time on tests of transfer than those who practiced with the highest or lowest combined difficulty. Together these findings suggest that the influences of nominal and functional task difficulty during acquisition are weighted differentially depending upon the transfer test context. The challenge point framework does not accurately capture this complex relationship in its current form.
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Affiliation(s)
| | - Timothy D Lee
- Department of Kinesiology, McMaster University, Canada
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20
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Wong AWK, Whitehill TL, Ma EPM, Masters R. Effects of practice schedules on speech motor learning. INTERNATIONAL JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2013; 15:511-523. [PMID: 23374024 DOI: 10.3109/17549507.2012.761282] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The aim of this study was to evaluate the effects of various practice schedules on learning a novel speech task. Forty healthy Cantonese speakers were asked to learn to produce a Cantonese phrase with two target utterance durations (2500 and 3500 milliseconds). They were randomly assigned to one of four learning conditions, each completing a different practice schedule, namely Blocked only, Random only, Blocked-then-Random, and Random-then-Blocked. Two retention tests (one immediate and one delayed) and a transfer test were administered. The four groups of participants showed different patterns of learning, but achieved comparable levels of performance at the end of the acquisition phase. However, participants in the Blocked only condition were less able to differentiate the two target durations than those in the Random only condition during retention. Furthermore, participants who received both blocked and random practice were less adversely affected by the secondary task during the transfer test than those who received either blocked or random practice alone. These findings suggest that mixed practice schedules are more effective than either blocked or random practice, especially in transferring the acquired speech motor skills to a cognitively demanding situation. The results have clinical implications regarding optimal practice schedules for treatment intervention.
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