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Dahm SF, Rieger M. Kinesthetic vs. visual focus: No evidence for effects of practice modality in representation types after action imagery practice and action execution practice. Hum Mov Sci 2023; 92:103154. [PMID: 37844453 PMCID: PMC7615372 DOI: 10.1016/j.humov.2023.103154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 10/02/2023] [Accepted: 10/10/2023] [Indexed: 10/18/2023]
Abstract
Action-imagery practice (AIP) is assumed to result in partly different action representations than action-execution practice (AEP). The present study investigated whether focusing on either kinesthetic or visual aspects of a task during practice amplifies or diminishes such differences between AIP and AEP. In ten sessions, four groups, using either AIP or AEP with either kinesthetic or visual focus, practiced a twelve-element sequence in a unimanual serial reaction time task. Tests involved the practice sequence, a mirror sequence, and a different sequence, each performed with the practice and transfer hand. In AIP and AEP, in both hands, reaction times (RTs) were shorter in the practice sequence than in the different sequence, indicating effector-independent visual-spatial sequence representations. Further, RTs were shorter in the practice hand than in the transfer hand in the practice sequence (but not in the different sequence), indicating effector-dependent representations in AEP and AIP. Although the representation types did not differ, learning effects were stronger in AEP than in AIP. Thus, although to a lower extent than in AEP, effector-dependent representations can be acquired using AIP. Contrary to the expectations, the focus manipulation did not have an impact on the acquired representation types. Hence, modality instructions in AIP may not have such a strong impact as commonly assumed, at least in implicit sequence learning.
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Affiliation(s)
- Stephan F Dahm
- Universität Innsbruck, Department of Psychology, Innsbruck, Austria.
| | - Martina Rieger
- UMIT TIROL - Private University of Health Sciences and Health Technology, Institute of Psychology, Hall in Tyrol, Austria
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Dahm SF, Hyna H, Krause D. Imagine to automatize: automatization of stimulus-response coupling after action imagery practice in implicit sequence learning. PSYCHOLOGICAL RESEARCH 2023; 87:2259-2274. [PMID: 36871080 PMCID: PMC10457413 DOI: 10.1007/s00426-023-01797-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 01/22/2023] [Indexed: 03/06/2023]
Abstract
Action imagery practice (AIP) describes the repetitive imagination of an action to improve subsequent action execution. Because AIP and action execution practice (AEP) draw on partly similar motor mechanisms, it was assumed that AIP may lead to motor automatization, which is observable in a reduction of dual-task costs after AEP. To investigate automatization in AIP, we compared dual-task and single-task performance in practice and random sequences in pretests and posttests. All participants practiced serial reactions to visual stimuli in ten single-task practice sessions. An AIP group imagined the reactions. An AEP group and a control practice group executed the reactions. Practice followed a sequential sequence in AIP and AEP but was random in control practice. In dual-task test conditions, tones were counted that appeared in addition to the visual stimuli. RTs decreased from pretest to posttest in both practice and random sequences in all groups indicating general sequence-unspecific learning. Further, RTs decreased to a greater extent in the practice sequence than in the random sequence after AIP and AEP, indicating sequence-specific learning. Dual-task costs-the difference between RTs after tone and no tone events-were reduced independent from the performed sequence in all groups indicating sequence-unspecific automatization. It is concluded that the stimulus-response coupling can be automatized by both, AEP and AIP.
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Affiliation(s)
- Stephan F Dahm
- Department of Psychology, Universität Innsbruck, Innsbruck, Austria.
- UMIT Tirol-Private University for Health Sciences and Health Technology, Hall in Tyrol, Austria.
| | - Henri Hyna
- Department of Exercise and Health, Paderborn University, Paderborn, Germany
| | - Daniel Krause
- Department of Exercise and Health, Paderborn University, Paderborn, Germany
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Dahm SF, Rieger M. Time course of learning sequence representations in action imagery practice. Hum Mov Sci 2023; 87:103050. [PMID: 36549085 PMCID: PMC7614144 DOI: 10.1016/j.humov.2022.103050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 12/09/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
Action imagery practice (AIP) is effective to improve motor performance in a variety of tasks, though it is often less effective than action execution practice (AEP). In sequence learning, AIP and AEP result in the acquisition of effector-independent representations. However, it is unresolved whether effector-dependent representations can be acquired in AIP. In the present study, we investigated the acquisition of effector-independent representations and effector-dependent representations in AEP and AIP in an implicit sequence learning task (a visual serial-reaction-time task, involving a twelve-element sequence). Participants performed six sessions, each starting with tests. A practice sequence, a mirror sequence, and a different sequence were tested with the practice and transfer hand. In the first four sessions, after the tests, two groups performed either AIP (N = 50) or AEP (N = 54). Improvement in the different sequence indicated sequence-unspecific learning in both AEP and AIP. Importantly, reaction times of the practice hand became shorter in the practice sequence than in the other sequences, indicating implicit sequence learning in both, AEP and AIP. This effect was stronger in the practice hand than in the transfer hand, indicating effector-dependent sequence representations in both AEP and AIP. However, effector-dependent sequence representations were stronger in AEP than in AIP. No significant differences between groups were observed in the transfer hand, although effector-independent sequence representations were observed in AEP only. In conclusion, AIP promotes not only sequence-unspecific stimulus-response coupling and anticipations of the subsequent stimuli, but also anticipations of the subsequent responses.
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Affiliation(s)
- Stephan F. Dahm
- Institute of Psychology, Department of Psychology and Sports Medicine, UMIT TIROL - Private University for Health Sciences and Health Technology, Hall in Tyrol, Austria,Department of Psychology, Faculty of Psychology and Sports Sciences, University of Innsbruck, Austria,Corresponding author at: Division of General Psychology, Department of Psychology, Faculty of Psychology and Sports Sciences, University of Innsbruck, Universitätsstraße 5-7, Room 2S14, 6020 Innsbruck, Austria. (S.F. Dahm)
| | - Martina Rieger
- Institute of Psychology, Department of Psychology and Sports Medicine, UMIT TIROL - Private University for Health Sciences and Health Technology, Hall in Tyrol, Austria
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Sequence representations after action-imagery practice of one-finger movements are effector-independent. PSYCHOLOGICAL RESEARCH 2023; 87:210-225. [PMID: 35113208 PMCID: PMC9873765 DOI: 10.1007/s00426-022-01645-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 01/16/2022] [Indexed: 01/31/2023]
Abstract
Action-imagery practice (AIP) is often less effective than action-execution practice (AEP). We investigated whether this is due to a different time course of learning of different types of sequence representations in AIP and AEP. Participants learned to sequentially move with one finger to ten targets, which were visible the whole time. All six sessions started with a test. In the first four sessions, participants performed AIP, AEP, or control-practice (CP). Tests involved the practice sequence, a mirror sequence, and a different sequence, which were performed both with the practice hand and the other (transfer) hand. In AIP and AEP, movement times (MTs) in both hands were significantly shorter in the practice sequence than in the other sequences, indicating sequence-specific learning. In the transfer hand, this indicates effector-independent visual-spatial representations. The time course of the acquisition of effector-independent visual-spatial representations did not significantly differ between AEP and AIP. In AEP (but not in AIP), MTs in the practice sequence were significantly shorter in the practice hand than in the transfer hand, indicating effector-dependent representations. In conclusion, effector-dependent representations were not acquired after extensive AIP, which may be due to the lack of actual feedback. Therefore, AIP may replace AEP to acquire effector-independent visual-spatial representations, but not to acquire effector-dependent representations.
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Mental Paper Folding Revisited: The Involvement of Visual Action Imagery. PSYCH 2022. [DOI: 10.3390/psych5010002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Action imagery describes a mental representation of an action and its consequences. Although it is widely recognized that people differ in their ability to imagine actions, objective validated tests to measure such differences are scarce. In search of an objective testing method for action imagery ability, the present study investigated whether solving mental paper-folding tasks involves action imagery. The stimuli were two-dimensional grids of six squares. A total of 99 participants mentally folded each grid into a three-dimensional cube to judge whether two highlighted lines in the grid overlapped in the imagined cube. This was done in two sessions of 214 judgements each, where the grids differed in overlaps, the least number of imagined folds, and the least number of imagined directional changes. Error rates and reaction times increased with the number of imagined folds and with the number of directional changes. Furthermore, more errors were committed with overlapping lines than with no overlaps. This was not reflected in the reaction times. Hence, the reaction times increased when the stepwise folding process was enlarged, but not when the final selection was more difficult. We concluded that the participants predominantly used action imagery as a task-solving strategy rather than for abstract problem-solving.
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Wieland B, Behringer M, Zentgraf K. Effects of motor imagery training on skeletal muscle contractile properties in sports science students. PeerJ 2022; 10:e14412. [PMID: 36447512 PMCID: PMC9701499 DOI: 10.7717/peerj.14412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/27/2022] [Indexed: 11/25/2022] Open
Abstract
Background Studies on motor imagery (MI) practice based on different designs and training protocols have reported changes in maximal voluntary contraction (MVC) strength. However, to date, there is a lack of information on the effects of MI training on contractile properties of the trained muscle. Methods Forty-five physically active sport science students (21 female) were investigated who trained three times per week over a 4-week period in one of three groups: An MI group conducted MI practice of maximal isometric contraction of the biceps brachii; a physical exercise (PE) group physically practiced maximal isometric contractions of the biceps brachii in a biceps curling machine; and a visual imagery (VI) group performed VI training of a landscape. A MVC test of the arm flexors was performed in a biceps curling machine before and after 4 weeks of training. The muscular properties of the biceps brachii were also tested with tensiomyography measurements (TMG). Results Results showed an interaction effect between time and group for MVC (p = 0.027, η 2 = 0.17), with a higher MVC value in the PE group (Δ5.9%) compared to the VI group (Δ -1.3%) (p = 0.013). MVC did not change significantly in the MI group (Δ2.1%). Analysis of muscle contractility via TMG did not show any interaction effects neither for maximal radial displacement (p = 0.394, η 2 = 0.05), delay time (p = 0.79, η 2 = 0.01) nor contraction velocity (p = 0.71, η 2 = 0.02). Conclusion In spite of MVC-related changes in the PE group due to the interventions, TMG measurements were not sensitive enough to detect concomitant neuronal changes related to contractile properties.
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Affiliation(s)
- Björn Wieland
- Goethe University Frankfurt, Department of Sports Sciences, Movement and Exercise Science in Sports Unit, Germany
| | - Michael Behringer
- Goethe University Frankfurt, Department of Sports Sciences, Sports Medicine and Exercise Physiology Unit, Germany
| | - Karen Zentgraf
- Goethe University Frankfurt, Department of Sports Sciences, Movement and Exercise Science in Sports Unit, Germany
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Dahm SF, Muraki EJ, Pexman PM. Hand and Foot Selection in Mental Body Rotations Involves Motor-Cognitive Interactions. Brain Sci 2022; 12:1500. [PMID: 36358425 PMCID: PMC9688262 DOI: 10.3390/brainsci12111500] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/27/2022] [Accepted: 10/31/2022] [Indexed: 08/13/2023] Open
Abstract
Action imagery involves the mental representation of an action without overt execution, and can contribute to perspective taking, such as that required for left-right judgments in mental body rotation tasks. It has been shown that perspective (back view, front view), rotational angle (head-up, head-down), and abstractness (abstract, realistic) of the stimulus material influences speed and correctness of the judgement. The present studies investigated whether left-right judgements are more difficult on legs than on arms and whether the type of limb interacts with the other factors. Furthermore, a combined score for speed and accuracy was explored to eliminate possible tradeoffs and to obtain the best possible measure of subjects' individual ability. Study 1 revealed that the front view is more difficult than the back view because it involves a vertical rotation in perspective taking. Head-down rotations are more difficult than head-up rotations because they involve a horizontal rotation in perspective taking. Furthermore, leg stimuli are more difficult than hand stimuli, particularly in head-down rotations. In Study 2, these findings were replicated in abstract stimuli as well as in realistic stimuli. In addition, perspective taking for realistic stimuli in the back view is easier than realistic stimuli in the front view or abstract stimuli (in both perspectives). We conclude that realistic stimulus material facilitates task comprehension and amplifies the effects of perspective. By replicating previous findings, the linear speed-accuracy score was shown to be a valid measure to capture performance in mental body rotations.
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Affiliation(s)
- Stephan Frederic Dahm
- Department of Psychology, Faculty of Psychology and Sport Science, University of Innsbruck, 6020 Innsbruck, Austria
- Institute of Psychology, Department of Psychology and Sports Medicine, UMIT TIROL—Private University of Health Sciences and Health Technology, 6060 Hall in Tirol, Austria
| | - Emiko J. Muraki
- Department of Psychology, Faculty of Arts, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Penny M. Pexman
- Department of Psychology, Faculty of Arts, University of Calgary, Calgary, AB T2N 1N4, Canada
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Suica Z, Behrendt F, Gäumann S, Gerth U, Schmidt-Trucksäss A, Ettlin T, Schuster-Amft C. Imagery ability assessments: a cross-disciplinary systematic review and quality evaluation of psychometric properties. BMC Med 2022; 20:166. [PMID: 35491422 PMCID: PMC9059408 DOI: 10.1186/s12916-022-02295-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 02/10/2022] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Over the last two centuries, researchers developed several assessments to evaluate the multidimensional construct of imagery. However, no comprehensive systematic review (SR) exists for imagery ability evaluation methods and an in-depth quality evaluation of their psychometric properties. METHODS We performed a comprehensive systematic search in six databases in the disciplines of sport, psychology, medicine, education: SPORTDiscus, PsycINFO, Cochrane Library, Scopus, Web of Science, and ERIC. Two reviewers independently identified and screened articles for selection. COSMIN checklist was used to evaluate the methodological quality of the studies. All included assessments were evaluated for quality using criteria for good measurement properties. The evidence synthesis was summarised by using the GRADE approach. RESULTS In total, 121 articles reporting 155 studies and describing 65 assessments were included. We categorised assessments based on their construct on: (1) motor imagery (n = 15), (2) mental imagery (n = 48) and (3) mental chronometry (n = 2). Methodological quality of studies was mainly doubtful or inadequate. The psychometric properties of most assessments were insufficient or indeterminate. The best rated assessments with sufficient psychometric properties were MIQ, MIQ-R, MIQ-3, and VMIQ-2 for evaluation of motor imagery ability. Regarding mental imagery evaluation, only SIAQ and VVIQ showed sufficient psychometric properties. CONCLUSION Various assessments exist to evaluate an individual's imagery ability within different dimensions or modalities of imagery in different disciplines. However, the psychometric properties of most assessments are insufficient or indeterminate. Several assessments should be revised and further validated. Moreover, most studies were only evaluated with students. Further cross-disciplinary validation studies are needed including older populations with a larger age range. Our findings allow clinicians, coaches, teachers, and researchers to select a suitable imagery ability assessment for their setting and goals based on information about the focus and quality of the assessments. SYSTEMATIC REVIEWS REGISTER PROSPERO CRD42017077004 .
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Affiliation(s)
- Zorica Suica
- Research Department, Reha Rheinfelden, Salinenstrasse 98, CH-4310, Rheinfelden, Switzerland
| | - Frank Behrendt
- Research Department, Reha Rheinfelden, Salinenstrasse 98, CH-4310, Rheinfelden, Switzerland
- Institute for Rehabilitation and Performance Technology, Bern University of Applied Sciences, 3401, Burgdorf, Switzerland
| | - Szabina Gäumann
- Research Department, Reha Rheinfelden, Salinenstrasse 98, CH-4310, Rheinfelden, Switzerland
| | - Ulrich Gerth
- Research Department, Reha Rheinfelden, Salinenstrasse 98, CH-4310, Rheinfelden, Switzerland
| | - Arno Schmidt-Trucksäss
- Department for Sport, Exercise and Health, University of Basel, 4052, Basel, Switzerland
| | - Thierry Ettlin
- Research Department, Reha Rheinfelden, Salinenstrasse 98, CH-4310, Rheinfelden, Switzerland
| | - Corina Schuster-Amft
- Research Department, Reha Rheinfelden, Salinenstrasse 98, CH-4310, Rheinfelden, Switzerland.
- Institute for Rehabilitation and Performance Technology, Bern University of Applied Sciences, 3401, Burgdorf, Switzerland.
- Department for Sport, Exercise and Health, University of Basel, 4052, Basel, Switzerland.
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Wieland B, Behringer M, Zentgraf K. Motor imagery and the muscle system. Int J Psychophysiol 2022; 174:57-65. [DOI: 10.1016/j.ijpsycho.2022.02.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/07/2022] [Accepted: 02/09/2022] [Indexed: 11/27/2022]
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Wieland B, Behringer M, Zentgraf K. WITHDRAWN: Motor imagery and the muscle system. Int J Psychophysiol 2020; 156:87-92. [DOI: 10.1016/j.ijpsycho.2020.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/16/2020] [Accepted: 07/21/2020] [Indexed: 10/23/2022]
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