scholarly journals Intraoperative Monitoring of the Corticospinal Motor Evoked Potential (D-wave): Clinical Index for Postoperative Motor Function and Functional Recovery

2004 ◽  
Vol 44 (4) ◽  
pp. 170-182 ◽  
Author(s):  
Takamitsu YAMAMOTO ◽  
Yoichi KATAYAMA ◽  
Takafumi NAGAOKA ◽  
Kazutaka KOBAYASHI ◽  
Chikashi FUKAYA
Keyword(s):  
Motor Function ◽  
Functional Recovery ◽  
Intraoperative Monitoring ◽  
Evoked Potential ◽  
Motor Evoked Potential ◽  
Clinical Index ◽  
D Wave

scholarly journals The Usefulness of the Intraoperative Monitoring of the Motor Evoked Potential (MEP) with D-wave in Aneurysm Surgery

2008 ◽  
Vol 36 (5) ◽  
pp. 373-379 ◽  
Author(s):  
Masami FUJII ◽  
Sadahiro NOMURA ◽  
Hirochika IMOTO ◽  
Hironobu TANAKA ◽  
Takayuki OKU ◽  
...  
Keyword(s):  
Intraoperative Monitoring ◽  
Evoked Potential ◽  
Motor Evoked Potential ◽  
Aneurysm Surgery ◽  
D Wave

Intraoperative monitoring of motor-evoked potential for parenchymal brain tumor removal: An analysis of false-negative cases

2018 ◽  
Vol 57 ◽  
pp. 105-110
Author(s):  
Takeru Umemura ◽  
Shigeru Nishizawa ◽  
Yoshiteru Nakano ◽  
Takeshi Saito ◽  
Takehiro Kitagawa ◽  
...  
Keyword(s):  
Brain Tumor ◽  
Intraoperative Monitoring ◽  
Evoked Potential ◽  
False Negative ◽  
Motor Evoked Potential ◽  
Tumor Removal

scholarly journals Motor Evoked Potential (MEP) for the Intra-operative Monitoring of Motor Function( Functional Neurophysiological Monitoring for Neurosurgery)

2008 ◽  
Vol 17 (1) ◽  
pp. 13-20
Author(s):  
Takamitsu Yamamoto ◽  
Katunori Shijo ◽  
Toshikazu Kano ◽  
Takafumi Nagaoka ◽  
Kazutaka Kobayashi ◽  
...  
Keyword(s):  
Motor Function ◽  
Evoked Potential ◽  
Motor Evoked Potential ◽  
Neurophysiological Monitoring ◽  
Special Issue ◽  
Operative Monitoring

S2-3. Intraoperative monitoring of lower extremity motor-evoked potential by direct cortical stimulation

2013 ◽  
Vol 124 (8) ◽  
pp. e20
Author(s):  
Masami Fujii ◽  
Yuichi Maruta ◽  
Hirochika Imoto ◽  
Hisaharu Goto ◽  
Michiyasu Suzuki
Keyword(s):  
Lower Extremity ◽  
Intraoperative Monitoring ◽  
Evoked Potential ◽  
Motor Evoked Potential ◽  
Cortical Stimulation ◽  
Direct Cortical Stimulation

scholarly journals Operant conditioning of the motor-evoked potential and locomotion in people with and without chronic incomplete spinal cord injury

2019 ◽  
Vol 121 (3) ◽  
pp. 853-866 ◽  
Author(s):  
Aiko K. Thompson ◽  
Gina Fiorenza ◽  
Lindsay Smyth ◽  
Briana Favale ◽  
Jodi Brangaccio ◽  
...  
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Operant Conditioning ◽  
Motor Function ◽  
Evoked Potential ◽  
Motor Evoked Potential ◽  
Incomplete Spinal Cord Injury ◽  
Function Recovery ◽  
Cord Injury ◽  
Ankle Dorsiflexor

Foot drop is very common among people with chronic incomplete spinal cord injury (SCI) and likely stems from SCI that disturbs the corticospinal activation of the ankle dorsiflexor tibialis anterior (TA). Thus, if one can recover or increase the corticospinal excitability reduced by SCI, motor function recovery may be facilitated. Here, we hypothesized that in people suffering from weak dorsiflexion due to chronic incomplete SCI, increasing the TA motor-evoked potential (MEP) through operant up-conditioning can improve dorsiflexion during locomotion, while in people without any injuries, it would have little impact on already normal locomotion. Before and after 24 MEP conditioning or control sessions, locomotor electromyography (EMG) and kinematics were measured. This study reports the results of these locomotor assessments. In participants without SCI, locomotor EMG activity, soleus Hoffmann reflex modulation, and joint kinematics did not change, indicating that MEP up-conditioning or repeated single-pulse transcranial magnetic stimulation (i.e., control protocol) does not influence normal locomotion. In participants with SCI, MEP up-conditioning increased TA activity during the swing-to-swing stance transition phases and ankle joint motion during locomotion in the conditioned leg and increased walking speed consistently. In addition, the swing-phase TA activity and ankle joint motion also improved in the contralateral leg. The results are consistent with our hypothesis. Together with the previous operant conditioning studies in humans and rats, the present study suggests that operant conditioning can be a useful therapeutic tool for enhancing motor function recovery in people with SCI and other central nervous system disorders. NEW & NOTEWORTHY This study examined the functional impact of operant conditioning of motor-evoked potential (MEP) to transcranial magnetic stimulation that aimed to increase corticospinal excitability for the ankle dorsiflexor tibialis anterior (TA). In people with chronic incomplete spinal cord injury (SCI), MEP up-conditioning increased TA activity and improved dorsiflexion during locomotion, while in people without injuries, it had little impact on already normal locomotion. MEP conditioning may potentially be used to enhance motor function recovery after SCI.

Sign in / Sign up

Export Citation Format

Share Document