NCT05073471

Music and Brain Stimulation for Upper Extremity Performance in Patients With Corticobasal Syndrome

Patterned Sensory Enhancement (PSE) and Transcranial Direct Current Stimulation (tDCS) for Upper Extremity Performances in Patients With Corticobasal Syndrome

• Status: Active Not Recruiting
• Phase: N/A
• Study type: Interventional
• Enrollment: 20 (estimated)
• Sponsor: Johns Hopkins University · Academic / Other
• Sex: All
• Age: 18 Years – 89 Years
• Healthy volunteers: Not accepted

Summary

This study is designed to investigate how musical patterns (e.g., patterned sensory enhancement, PSE) and non-invasive brain stimulation (e.g., transcranial direct current stimulation, tDCS) are effective to improve functional upper extremity performances in patients with corticobasal syndrome (CBS). 20 individuals with CBS will be randomly assigned to either PSE group (n= 10) or PSE+tDCS (n=10) group. Both interventions are 30 minutes long, twice a week for three weeks (a total of 6 sessions). Participants' self-reported and measurable outcomes including upper extremity function, kinematic quantities, quality of life, mood, cognitive level, and brain activity (e.g. electroencephalography, EEG) will be assessed in the baseline, pre- and post- each session, and follow-up phase. This study seeks to assess the possibility that music-based intervention and non-invasive brain stimulation may improve outcomes in CBS patients for patients' non-invasive but cost-effective rehabilitation settings in the future.

Detailed description

Corticobasal syndrome (CBS) is a form of atypical Parkinsonian disorder that shares several features with Parkinson's disease (e.g., rigidity, tremor, and difficulties in balance and coordination). However, CBS additionally includes other motor and highly cortical features such as dyspraxia, dystonia, myoclonus, aphasia, sensory loss, and alien limb. Other features including abnormal eye movements, difficulties in objects recognition, and speech changes can also be revealed. The symptoms of CBS often appear in an asymmetric pattern that only shows on one side of the body. Imaging research has found that CBS is associated with brain atrophy in dorsal neocortical regions and basal ganglia. In particular, widespread frontoparietal cortex atrophy is exhibited in CBS. The frontoparietal network is known to orchestrate accurate, rapid, and goal-directed motor behaviors which are crucial performances in the daily life of humans. Transcranial direct current stimulation (tDCS) is non-invasive neuromodulation that uses direct electrical currents to stimulate specific brain regions. This painless stimulation has been largely developed as a promising tool for depression, stroke, Parkinson's disease as well as other neuropsychological disorders. Specifically, tDCS over the frontoparietal area has enhanced processing speed and consolidation as well as upper extremity performances. While tDCS has been applied to modulate a variety of cognitive and motor abilities, studies using tDCS in CBS patients are limited. To the best of the investigators' knowledge, two studies have been investigated on how tDCS modulation over the parietal cortex enhances the performance of an ideomotor apraxia test as well as action observation and representation in CBS. These studies provided potentials of using tDCS as a promising tool for linguistic and sensorimotor deficits in patients with CBS. Intriguingly, previous studies have suggested that tDCS combined with rehabilitative training can enhance motor outcomes. Furthermore, there is a need to better understand the mechanisms and effects of tDCS in real time in order to cater treatment protocols in a patient-specific manner. For this purpose, electroencephalography (EEG) has been proposed. EEG which measures brainwaves in milliseconds will be able to measure neurophysiological responses during tDCS modulation as well as rehabilitation intervention, such as music therapy. Music has been extensively developed as a therapeutic medium to enhance and/or maintain functional skills based on scientific evidence in neurorehabilitation settings. In particular, the use of musical cueing to facilitate motor and cognitive performance has been widely studied. Patterned Sensory Enhancement (PSE) is one of the Neurologic Music Therapy (NMT) interventions to facilitate functional movement patterns and sequences by using tempo, meter, and rhythmic patterns. PSE translates movement patterns into musical patterns to provide spatial, temporal, and force cues. PSE has been employed to improve the functional motor abilities of individuals with stroke, cerebral palsy and Parkinson's disease. Despite the importance of developing non-invasive but cost-effective interventions for CBS, neuro-rehabilitative effects associated with tDCS/EEG and PSE in this population have been less investigated. Therefore, the present study will investigate the effectiveness of PSE and PSE +tDCS on upper extremity performances in individuals with CBS, and EEG will be used to measure neurophysiological responses during sessions. Non-invasive and patient-oriented interventions may have a broad impact on CBS by improving the quality of functional upper extremity performance.

Conditions

• Corticobasal Syndrome
• Upper Extremity Dysfunction

Interventions

Type	Name	Description
BEHAVIORAL	Patterned Sensory Enhancement (PSE)	Patterned Sensory Enhancement (PSE) is one of Neurologic Music Therapy (NMT) techniques. NMT is a research-guided clinical model that is driven by advances in neuroscience and the understanding of the perception, production, and performance of music and how music can influence and change non-musical brain and behavior function. PSE is a technique that uses the rhythmic, melodic, harmonic, and dynamic-acoustical elements of music to provide temporal, spatial, and. force cues for movements which reflect functional movements of activities of daily.
DEVICE	Transcranial Direct Current Stimulation (tDCS)	We will apply five small electrodes to participant's head. Once the electrodes are in place, a small electrical current will be passed between the electrodes. Participants will also get "sham" tDCS, which means they will not receive any real stimulation from the electrodes. Most individuals do not find the procedure uncomfortable, and there are no known long-term risks of tDCS. When the current goes through the electrodes, you may feel an itching or tingling sensation under the electrodes or see brief flashes of light, or you may not feel anything at all. If the sensation is unpleasant, participant can report to co-investigator immediately. If participant finds the procedures too uncomfortable, they may stop it at any time. A trained staff member will be present throughout the procedure.

Timeline

• Start date: 2022-04-22
• Primary completion: 2026-06-30
• Completion: 2026-06-30
• First posted: 2021-10-11
• Last updated: 2026-03-06

Locations

1 site across 1 country: United States