Mental practice modulates functional connectivity between the cerebellum and the primary motor cortex

Monany, Dylan Rannaud; Lebon, Florent; DuPont, William H.; Papaxanthis, Charalambos

doi:10.1016/j.isci.2022.104397

Cited by 8 publications

(4 citation statements)

References 39 publications

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“…In this scenario, transsynaptic activation of most pyramidal cells in the motor cortex by the 1st conditioning TMS stimulus alone might have prevented a relevant facilitatory effect. Such a ceiling effect is well known for intracortical facilitation and has been described by several authors [12][13][14][15][16][17][18][19][20][21][22] . In the context of the present study, single TMS pulses with different stimulation intensities would have allowed us to capture the TMS-response behavior, for example in form of an input-output curve, from weakest to strongest TMS output, with the latter leading to saturated responses indicating the ceiling effect.…”

Section: Test Phasementioning

confidence: 69%

“…In the present proof-of-concept study, we raised the question whether the faciliatory influence of paired-pulse TMS on motor cortex excitability can be applied to classical conditioning. To this end, we utilized faciliatory paired-pulse TMS with default parameters [12][13][14][15][16][17][18][19][20][21][22] . The first TMS pulse was applied at subthreshold intensity of 95% resting motor threshold, which conditioned the second pulse, 12 ms later, applied at suprathreshold intensity of 130%.…”

Section: Test Phasementioning

confidence: 99%

“…We used paired-pulse instead of singlepulse TMS and investigated whether its faciliatory influence on the stimulated motor cortex can be applied to classical conditioning. Long intervals between paired TMS pulses (6-20 ms), the first applied at subthreshold intensity and the second at suprathreshold intensity, provoke facilitation of the motor evoked potentials (MEPs) of the target muscle [12][13][14][15][16][17][18][19][20][21][22] . We combined faciliatory paired-pulse TMS, using an interstimulus interval of 12 ms, with a simultaneously presented acoustic stimulus (i.e., simultaneous conditioning).…”

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confidence: 99%

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Classical conditioning of faciliatory paired-pulse TMS

Ewers

Dreier

Al-Bas

et al. 2023

Sci Rep

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In this proof-of-concept study, we questioned whether the influence of TMS on cortical excitability can be applied to classical conditioning. More specifically, we investigated whether the faciliatory influence of paired-pulse TMS on the excitability of the human motor cortex can be transferred to a simultaneously presented auditory stimulus through conditioning. During the conditioning phase, 75 healthy young participants received 170 faciliatory paired TMS pulses (1st pulse at 95% resting motor threshold, 2nd at 130%, interstimulus interval 12 ms), always presented simultaneously with one out of two acoustic stimuli. In the test phase, 20 min later, we pseudorandomly applied 100 single TMS pulses (at 130% MT), 50 paired with the conditioned tone—50 paired with a control tone. Using the Wilcoxon-Signed Rank test, we found significantly enhanced median amplitudes of motor evoked potentials (MEPs) paired with the conditioned tone as compared to the control tone, suggesting successful conditioning (p = 0.031, responder rate 55%, small effect size of r = − 0.248). The same comparison in only those participants with a paired-pulse amplitude < 2 mV in the conditioning phase, increased the responder rate to 61% (n = 38) and effect size to moderate (r = − 0.389). If we considered only those participants with a median paired-pulse amplitude < 1 mV, responder rate increased further to 79% (n = 14) and effect size to r = − 0.727 (i.e., large effect). These findings suggest increasingly stronger conditioning effects for smaller MEP amplitudes during paired-pulse TMS conditioning. These proof-of-concept findings extend the scope of classical conditioning to faciliatory paired-pulse TMS.

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Section: Test Phasementioning

confidence: 69%

Section: Test Phasementioning

confidence: 99%

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confidence: 99%

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Classical conditioning of faciliatory paired-pulse TMS

Ewers

Dreier

Al-Bas

et al. 2023

Sci Rep

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“…These mental repetitions mirror hands-on training and aid in the rapid development of the motor skills necessary for proper POCUS proficiency, evidenced by the improvement in performance post-mental training 23 . When instructors encourage trainees to mentally rehearse clinical scenarios that mirror the use of POCUS, neural pathways can be enhanced, potentially improving both speed and accuracy 24 …”

Section: Benefitsmentioning

confidence: 99%

Assessment of the Educational and Training Modalities in Point-of-Care Ultrasound (POCUS) for Anesthesiologists

Mozingo,

Neely

2024

International Anesthesiology Clinics

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Point-of-care ultrasound (POCUS) has been developed as a critical tool for diagnostic patient evaluation and clinical management. Its transcendence into anesthesiology necessitates appropriate and effective educational strategies to assist in the development of anesthesia POCUS learners. Several professional societies, including the American Society of Anesthesiologists (ASA), American Society of Regional Anesthesia (ASRA), and Accreditation Council for Graduate Medical Education (ACGME) for anesthesiology have established minimum training standards for POCUS education for anesthesiologists, residents, and fellows.1,4 The article at hand aims to summarize and provide insight into the various educational modalities utilized in POCUS training, incorporate these strategies in the established “Indication, Acquisition, Interpretation, and Medical decision-making” (I-AIM) framework, and include recommendations on the minimum number of POCUS exams to aid in achieving competency. 3

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A theoretical perspective on action consequences in action imagery: internal prediction as an essential mechanism to detect errors: a commentary on Rieger et al. 2023

Lebon

2024

Psychological Research

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Mental practice modulates functional connectivity between the cerebellum and the primary motor cortex

Cited by 8 publications

References 39 publications

Classical conditioning of faciliatory paired-pulse TMS

Classical conditioning of faciliatory paired-pulse TMS

Assessment of the Educational and Training Modalities in Point-of-Care Ultrasound (POCUS) for Anesthesiologists

A theoretical perspective on action consequences in action imagery: internal prediction as an essential mechanism to detect errors: a commentary on Rieger et al. 2023

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