Factors and strategies affecting motor imagery ability in people with multiple sclerosis: a systematic review

Seebacher, Barbara; Reindl, Markus; Kahraman, Turhan

doi:10.1016/j.physio.2022.09.005

Cited by 11 publications

(5 citation statements)

References 45 publications

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“…Previous studies on motor imagery ability have examined the relationship between Parkinson’s disease [ 32 , 33 ] and multiple sclerosis [ 34 ] and motor imagery ability. Additionally, various reports have shown that the neural networks activated during motor imagery differ depending on the motor imagery ability [ 21 , 22 ], that the excitability of corticospinal tracts during motor imagery correlates with motor imagery ability [ 23 , 24 ], and that motor imagery ability is related to the effectiveness of motor imagery training [ 25 ].…”

Section: Discussionmentioning

confidence: 99%

Relationship between Corticospinal Excitability While Gazing at the Mirror and Motor Imagery Ability

et al. 2023

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Mirror therapy (MT) helps stroke survivors recover motor function. Previous studies have reported that an individual’s motor imagery ability is related to the areas of brain activity during motor imagery and the effectiveness of motor imagery training. However, the relationship between MT and motor imagery ability and between corticospinal tract excitability during mirror gazing, an important component of MT, and motor imagery ability is unclear. This study determined whether the motor-evoked potential (MEP) amplitude while gazing at the mirror relates to participants’ motor imagery abilities. Twenty-four healthy right-handed adults (seven males) were recruited. Transcranial magnetic stimulation was performed while gazing at the mirror, and MEP of the first dorsal interosseous muscle of the right hand were measured. Motor imagery ability was measured using the Kinesthetic and Visual Imagery Questionnaire (KVIQ), which assesses the vividness of motor imagery ability. Additionally, a mental chronometry (MC) task was used to assess time aspects. The results showed a significant moderate correlation between changes in MEP amplitude values while gazing at the mirror, as compared with resting conditions, and assessment scores of KVIQ. This study shows that corticospinal excitability because of mirror gazing may be related to the vividness of motor imagery ability.

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Section: Discussionmentioning

confidence: 99%

Relationship between Corticospinal Excitability While Gazing at the Mirror and Motor Imagery Ability

et al. 2023

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“…Additionally, there is a limited generalizability of results to patients with more severe disability in MS. We included participants with mild to moderate disability, based on previous evidence of declining MI ability with increasing disability levels. 8,56 However, it is uncertain if those with higher disability levels can effectively imagine themselves moving with music-cuing. To address this gap, further research is needed to investigate the impact of music-cuing on MI ability in pwMS with more severe disability.…”

Section: Limitations and Outlookmentioning

confidence: 99%

“…4 Preliminary evidence suggests that MI practice may benefit MS related fatigue, 6 and tele-MI has shown improvements in physical, cognitive, and psychosocial functioning. 7 However, impairment in MI ability, especially in those with cognitive dysfunction and depression, 8 may reduce or nullify its effectiveness.…”

Section: Introductionmentioning

confidence: 99%

Actual and Imagined Music-Cued Gait Training in People with Multiple Sclerosis: A Double-Blind Randomized Parallel Multicenter Trial

Seebacher,

Helmlinger,

Pinter

et al. 2024

Neurorehabil Neural Repair

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Background Actual and imagined cued gait trainings have not been compared in people with multiple sclerosis (MS). Objective To analyze the effects of cued motor imagery (CMI), cued gait training (CGT), and combined CMI and cued gait training (CMI-CGT) on motor, cognitive, and emotional functioning, and health-related quality of life in people with MS. Methods In this double-blind randomized parallel-group multicenter trial, people with MS were randomized (1:1:1) to CMI, CMI-CGT, or CGT for 30 minutes, 4×/week for 4 weeks. Patients practiced at home, using recorded instructions, and supported by ≥6 phone calls. Data were collected at weeks 0, 4, and 13. Co-primary outcomes were walking speed and distance, analyzed by intention-to-treat. Secondary outcomes were global cognitive impairment, anxiety, depression, suicidality, fatigue, HRQoL, motor imagery ability, music-induced motivation, pleasure and arousal, self-efficacy, and cognitive function. Adverse events and falls were continuously monitored. Results Of 1559 screened patients, 132 were randomized: 44 to CMI, 44 to CMI-CGT, and 44 to CGT. None of the interventions demonstrated superiority in influencing walking speed or distance, with negligible effects on walking speed (η2 = 0.019) and distance (η2 = 0.005) observed in the between-group comparison. Improvements in walking speed and walking distance over time corresponded to large effects for CMI, CMI-CGT, and CGT (η2 = 0.348 and η2 = 0.454 respectively). No severe study-related adverse events were reported. Conclusions CMI-GT did not lead to improved walking speed and distance compared with CMI and CGT alone in people with MS. Lack of a true control group represents a study limitation. Trial registration German Clinical Trials Register, DRKS00023978.

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“…Specifically, we expect that if MI is performed faster than the actual execution ( Tacchino et al, 2013 ), the actual movements executed after MI will be faster in PwMS. This would shed new light on the potential role of MI practice as a skill-learning method for rehabilitative interventions in MS ( Hauptmann and Karni, 2002 ; Seebacher et al, 2023 ).…”

Section: Introductionmentioning

confidence: 99%

Motor imagery has a priming effect on motor execution in people with multiple sclerosis

Tacchino,

Pedullà,

Podda

et al. 2023

Front. Hum. Neurosci.

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Priming is a learning process that refers to behavioral changes caused by previous exposure to a similar stimulus. Motor imagery (MI), which involves the mental rehearsal of action representations in working memory without engaging in actual execution, could be a strategy for priming the motor system. This study investigates whether MI primes action execution in Multiple Sclerosis (MS). Here, 17 people with MS (PwMS) and 19 healthy subjects (HS), all right-handed and good imaginers, performed as accurately and quickly as possible, with a pencil, actual or mental pointing movements between targets of small (1.0 × 1.0 cm) or large (1.5 × 1.5 cm) size. In actual trials, they completed five pointing cycles between the left and right targets, whereas in mental trials, the first 4 cycles were imagined while the fifth was actually executed. The fifth cycle was introduced to assess the MI priming effect on actual execution. All conditions, presented randomly, were performed with both dominant (i.e., right) and non-dominant arms. Analysis of the duration of the first 4 cycles in both actual and mental trials confirmed previous findings, showing isochrony in HS with both arms and significantly faster mental than actual movements (anisochrony) in PwMS (p < 0.01) [time (s); HS right: actual: 4.23 ± 0.15, mental: 4.36 ± 0.16; left: actual: 4.32 ± 0.15, mental: 4.43 ± 0.18; PwMS right: actual: 5.85 ± 0.16, mental: 5.99 ± 0.21; left: actual: 6.68 ± 0.20, mental: 5.94 ± 0.23]; anisochrony in PwMS was present when the task was performed with the non-dominant arm. Of note, temporal analysis of the fifth actual cycle showed no differences between actual and mental trials for HS with both arms, whereas in PwMS the fifth actual cycle was significantly faster after the four actual cycles for the non-dominant arm (p < 0.05) [time (s); HS right: actual: 1.03 ± 0.04, mental: 1.03 ± 0.03; left: actual: 1.08 ± 0.04, mental: 1.05 ± 0.03; PwMS right: actual: 1.48 ± 0.04, mental: 1.48 ± 0.06; left: actual: 1.66 ± 0.05, mental: 1.48 ± 0.06]. These results seem to suggest that a few mental repetitions of an action might be sufficient to exert a priming effect on the actual execution of the same action in PwMS. This would indicate further investigation of the potential use of MI as a new motor-cognitive tool for MS neurorehabilitation.

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Factors and strategies affecting motor imagery ability in people with multiple sclerosis: a systematic review

Cited by 11 publications

References 45 publications

Relationship between Corticospinal Excitability While Gazing at the Mirror and Motor Imagery Ability

Relationship between Corticospinal Excitability While Gazing at the Mirror and Motor Imagery Ability

Actual and Imagined Music-Cued Gait Training in People with Multiple Sclerosis: A Double-Blind Randomized Parallel Multicenter Trial

Motor imagery has a priming effect on motor execution in people with multiple sclerosis

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