Prospective trial with enrollment of 30 patients in various intensive care units at Palmetto Health Richland from January 1st 2019 to June 30th 2020. If patients had undergone targeted temperature management (33-36 degrees Celsius for 24 hours via intravascular or surface control methods, with or without sedation or neuromuscular blockade, followed by rewarming actively or passively at 0.25-0.5 degrees per hour over 8-12 hours to 37 degrees) investigators will wait 24 hours after rewarming prior to testing. End point is to evaluate if pharmacological reversal agents would result in improved GCS scores or return of cerebral or brainstem functions in some comatose patients, which will be considered a positive test result.
Preeclamptic patients will have an ultrasound done of their eyes, to look at the size of the nerve behind the eye. We will also recruit women without preeclampsia to be a comparison group.
Candidates for this study may or may not report disturbances in odor perception as their primary reason for seeking treatment at MUSC. This study is designed to collect long term, observational data from patients who are being treated with routine clinical care in health clinics at MUSC. Data from clinical questionnaires will be de-identified and stored in a database.
Transcranial direct current stimulation (tDCS) has shown the potential to improve symptoms in patients with Parkinson's disease, however its effects have not been consistent in randomized studies to date, limiting widespread adoption of this technology. A critical gap in our knowledge is a detailed understanding of how tDCS affects motor areas in the brain. We propose using tDCS while recording directly from motor cortex using subdural electrocorticography (sECoG) in Parkinson's patients undergoing deep brain stimulation surgery. We expect this novel approach to broaden our understanding of tDCS application in Parkinson's disease and possibly lead to therapeutic advances in this population.
This research studies the effects of brain stimulation (transcranial magnetic stimulation, or "TMS") on balance in progressive supranuclear palsy (PSP). The purpose of this research is to look for improvements in balance when subjects are on a tilting platform after stimulating the brain with a magnetic wand held over the scalp over an area at the back of the brain called the cerebellum. Participants will receive both active and inactive stimulation during the course of the study. There is no surgery involved. There are also optional portions of the study that include functional magnetic resonance imaging (fMRIs) and speaking samples.
Older adults typically have trouble identifying the speech they hear, especially in noisy environments. Fortunately, compared to younger adults, older adults are better able to compensate for difficulties identifying the speech they hear by recruiting the visual system. However, the extent to which older adults can benefit from visual input, and how this influence relates to age-related changes in brain structure and function, have not been thoroughly investigated. The general purpose of this study is to determine how age-related changes in brain structure and function affect how well people hear and see. This study seeks participants with normal hearing to mild hearing loss, who also have normal or corrected-to-normal vision.