View clinical trials related to Motor Cortex; Lesion.
Filter by:The goal of this randomized clinical controlled trial is to learn about whether neuro-navigation repetitive transcranial magnetic stimulation (nrTMS) was useful to accelerate the recovery in patients with SMA syndrome after glioma resection. The main questions aim to answer: - Question 1: Whether the nrTMS was useful to accelerate the recovery of motor function back to the preoperative status in participants with SMA syndrome after glioma resection. - Question 2: Whether the nrTMS was useful to improve postoperative motor function in participants with SMA syndrome after glioma resection. Participants will continue to receive nrTMS treatment or nrTMS sham-treatment for 7 times on the 8th day after glioma resection to determine whether the TMS was helpful for exercise rehabilitation. The investigator will evaluate the effects of nrTMS treatment through the ratio of recovery of motor function and the time that was from the participants suffering SMA syndrome to totally recover the motor function to the status of motor function in pre-operation.
The neurosurgical standard of care for treating a patient with a tumor invading hand primary motor cortex (M1) includes performing a craniotomy with intraoperative direct electrical stimulation (DES) mapping and to resect as much tumor as possible without a resultant permanent neurological deficit. However, the subjective nature of current intraoperative hand motor assessments do not offer a comprehensive understanding of how hand strength and function may be impacted by resection. Additionally, there is a paucity of data to inform how altering DES parameters may effect motor mapping. Here, the investigators seek to demonstrate a feasible, standardized protocol to quantitatively assess hand strength and function and systematically assess several stimulation parameters to improve intraoperative measurements and better understand how cortical stimulation interacts with underlying neural function.
This study uses a cranial implant to deliver cortical stimulation that, when paired with physiotherapy, will remap the brain so that critical brain functions can be protected during brain tumor surgery. This pilot study will provide initial evidence for the safety and feasibility of such a protocol which will lead to future pivotal trials that could radically change eloquent area brain surgery. For patients with otherwise incompletely resectable brain tumors, this could mean a longer life expectancy and a better quality of life.
In healthy individuals, unimanual movement (with either the left or right hand) is associated with activity in a network of predominantly contralateral brain regions, including the primary motor cortex (PMC). This laterality is often compromised following a middle cerebral artery (MCA) stroke. Neuroimaging studies of these patients have shown that unimanual movements with the effected hand are associated with elevated Blood Oxygen-Level Dependent (BOLD) signal in both the lesioned and the nonlesioned primary motor cortices. Elevated activity in the contralesional PMC is well-established in chronic stroke patients and is associated with poor motor rehabilitation outcomes. Yet the neurobiologic basis for this aberrant neural activity is equivocal. The overarching goal of this project is to determine the neurobiologic basis for elevated activity in the contralesional primary motor cortex.