Cortical mechanisms underlying stretch reflex adaptation to intention: A combined EEG–TMS study

Spieser, Laure; Meziane, Hadj Boumediene; Bonnard, Mireille

doi:10.1016/j.neuroimage.2010.04.020

Cited by 36 publications

(33 citation statements)

References 48 publications

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“…3). The global StrEP waveform is in concordance with the waveforms elicited by muscle stretch in previous studies, although detailed comparison of latency and amplitude features is hampered by differences in the type of perturbations applied, EEG derivation and data processing [15]- [17], [28].…”

Section: A Consistent Stretch Evoked Potentials In Normal Subjectssupporting

confidence: 76%

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Stretch Evoked Potentials in Healthy Subjects and After Stroke: A Potential Measure for Proprioceptive Sensorimotor Function

Campfens

Meskers

Schouten

et al. 2015

IEEE Trans. Neural Syst. Rehabil. Eng.

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Abstract-Sensory feedback is of vital importance in motor control, yet rarely assessed in diseases with impaired motor function like stroke. Muscle stretch evoked potentials (StrEPs) may serve as a measure of cortical sensorimotor activation in response to proprioceptive input. The aim of this study is: 1) to determine early and late features of the StrEP and 2) to explore whether StrEP waveform and features can be measured after stroke.Consistency of StrEP waveforms and features was evaluated in 22 normal subjects. StrEP features and similarity between hemispheres were evaluated in eight subacute stroke subjects.StrEPs of normal subjects had a consistent shape across conditions and sessions (mean cross correlation waveforms 0.75). Stroke subjects showed heterogeneous StrEP waveforms. Stroke subjects presented a normal early peak (40 ms after movement onset) but later peaks had abnormal amplitudes and latencies. No significant differences between stroke subjects with good and poor motor function were found . With the consistent responses of normal subjects the StrEP meets a prerequisite for potential clinical value. Recording of StrEPs is feasible even in subacute stroke survivors with poor motor function. How StrEP features relate to clinical phenotypes and recovery needs further investigation.

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Section: A Consistent Stretch Evoked Potentials In Normal Subjectssupporting

confidence: 76%

Section: A Consistent Stretch Evoked Potentials In Normal Subjectsmentioning

confidence: 99%

Stretch Evoked Potentials in Healthy Subjects and After Stroke: A Potential Measure for Proprioceptive Sensorimotor Function

Campfens

Meskers

Schouten

et al. 2015

IEEE Trans. Neural Syst. Rehabil. Eng.

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show abstract

“…Abbruzzese et al (Abbruzzese et al, 1985) showed covariation of long latency muscle responses and early StrEP amplitudes (30 − 75ms after wrist extension onset) with task instruction. Intention related modulation of early StrEP amplitudes (45ms after wrist extension onset) was also shown by Spieser et al (Spieser et al, 2010). In contrast to these studies, MacKinnon et al (MacKinnon et al, 2000) found that StrEPs elicited during tasks with different instruction were only different more than 135ms after wrist extension onset, which does not support a relation between a trans-cortical reflex loop and the StrEP.…”

Section: Consistent Stretch Evoked Potentials In Normal Subjectsmentioning

confidence: 82%

“…The short latency response is generally thought to be mediated by a monosynaptic reflex pathway. The origin of the long latency reflex is more complex, several pathways may contribute to this reflex including a transcortical pathway (MacKinnon et al, 2000;Spieser et al, 2010;Pruszynski and Scott, 2012) 6 Stretch evoked potentials in normal subjects and after stroke Cross correlation coefficients [-] aff. side [μV] aff.…”

Section: Consistent Stretch Evoked Potentials In Normal Subjectsmentioning

confidence: 99%

“…The global StrEP waveform is in concordance with the waveforms elicited by muscle stretch in previous studies, although detailed comparison of latency and amplitude features is hampered by differences in the type of perturbations 6 6.4. Discussion applied, EEG derivation and data processing (Abbruzzese et al, 1985;MacKinnon et al, 2000;Seiss et al, 2002;Spieser et al, 2010).…”

Section: Consistent Stretch Evoked Potentials In Normal Subjectsmentioning

confidence: 99%

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Identification of connectivity in human motor control: exciting the afferent pathways

Campfens¹

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Assessing cortical network properties using TMS–EEG

Rogasch

Fitzgerald

2012

Human Brain Mapping

238

164

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The past decade has seen significant developments in the concurrent use of transcranial magnetic stimulation (TMS) and electroencephalography (EEG) to directly assess cortical network properties such as excitability and connectivity in humans. New hardware solutions, improved EEG amplifier technology, and advanced data processing techniques have allowed substantial reduction of the TMS-induced artifact, which had previously rendered concurrent TMS-EEG impossible. Various physiological artifacts resulting from TMS have also been identified, and methods are being developed to either minimize or remove these sources of artifact. With these developments, TMS-EEG has unlocked regions of the cortex to researchers that were previously inaccessible to TMS. By recording the TMS-evoked response directly from the cortex, TMS-EEG provides information on the excitability, effective connectivity, and oscillatory tuning of a given cortical area, removing the need to infer such measurements from indirect measures. In the following review, we investigate the different online and offline methods for reducing artifacts in TMS-EEG recordings and the physiological information contained within the TMS-evoked cortical response. We then address the use of TMS-EEG to assess different cortical mechanisms such as cortical inhibition and neural plasticity, before briefly reviewing studies that have utilized TMS-EEG to explore cortical network properties at rest and during different functional brain states.

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Cortical mechanisms underlying stretch reflex adaptation to intention: A combined EEG–TMS study

Cited by 36 publications

References 48 publications

Stretch Evoked Potentials in Healthy Subjects and After Stroke: A Potential Measure for Proprioceptive Sensorimotor Function

Stretch Evoked Potentials in Healthy Subjects and After Stroke: A Potential Measure for Proprioceptive Sensorimotor Function

Identification of connectivity in human motor control: exciting the afferent pathways

Assessing cortical network properties using TMS–EEG

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