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Titre : | Slowed Down: Response Time Deficits in Well-Recovered Subjects With Incomplete Spinal Cord Injury (2013) |
Auteurs : | Rob Labruyere ; Marion Zimmerli ; Hubertus Van hedel |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2013/10, 2013) |
Article en page(s) : | pp. 2020-2026 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Neurophysiologie ; Paraplégie ; Rééducation et réadaptation ; Stimulation magnétique transcranienne |
Mots-clés: | Neurophysiology ; Paraplegia ; Reaction Time ; Temps de réaction ; Transcranial Magnetic Stimulation |
Résumé : |
Objective To quantify remaining motor deficits in well-recovered subjects with incomplete spinal cord injury. Design Case-control study. Setting Spinal cord injury center of a university hospital. Participants Out of a volunteer sample, we recruited 15 subjects with incomplete paraplegia (mean age, 50y; 67% men; neurologic level from T4 to L4; mean time since injury, 6.3y) and close-to-normal walking pattern. They were compared with 15 age- and sex-matched controls. Interventions Not applicable. Main Outcome Measures Response time and its 4 subparts, processing time, conduction time, motor time, and movement time. These were assessed with an electromyogram-supported lower-limb response time task and single-pulse transcranial magnetic stimulation to measure the motor-evoked potential latency of the M. tibialis anterior. In addition, participants were tested for lower-extremity muscle strength, gait capacity, visual acuity, and upper-extremity response time. Results Well-recovered subjects with incomplete paraplegia still suffered from deficits in conduction and movement time, whereas their processing and motor times were essentially normal. In addition, these patients showed delayed movement times of the upper limb, even if their injury was located in the thoracic or lumbar region. Conclusions Well-recovered patients with incomplete paraplegia still experience difficulties with quick and accurate movements. Furthermore, combining transcranial magnetic stimulation, electromyogram, and a response time task proved useful for investigating deficits in executing fast and accurate movements. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/journal/archives-of-physical-medicine-and-rehabilitation |