Targeted Noninvasive Brain Stimulation to Improve Hand Dexterity in Stroke Patients

Clinical Trial ID: NCT04058288

Description

This study will investigate the use of High-definition Transcranial Direct Current Stimulation (HD-tDCS) in the functional improvement of hand dexterity while performing music-assisted hand exercises.

Stroke is a serious medical and health problem in the US, and most of the stroke patients suffer from upper-limb motor deficits including weakened hand dexterity. As upper-limb motor functions are crucial for most of the daily living activities, there is a need for effective intervention. The current therapeutic approaches involve intensive physical therapy training involving repetitive tasks which causes fatigue and lack of engagement in the patients. To address this issue, the investigators will investigate the combined use of individually targeted noninvasive brain stimulation (T-NIBS) using High-definition Transcranial Direct Current Stimulation (HD-tDCS) and music-assisted hand exercises using MusicGlove to modulate the neuroplasticity in the desired manner to observe functional changes in hand dexterity.


Criteria

Inclusion Criteria: - Aged between 18-75 years - Clinically diagnosed with hemiparetic stroke (weakness on one side - either left or right side of the body) - Have had a stroke for more than 6 months - Have weakness in moving the fingers of the affected hand - Able to understand and perform the instructions that are part of the tDCS-MusicGlove testing and intervention. - Willing and able to participate in and travel to Kessler Foundation for the screening session, MRI session, and tDCS-MusicGlove sessions. - Able to sit and be active for 1.5 hours during the session without cardiac, respiratory and/or pain disturbances as assessed during the screening visit. - Able to provide informed consent. - Medically stable and not planning for a major change in medications for at least 4 weeks Exclusion Criteria: - Unable to move the hand because of muscle stiffness (scoring 3 or more on the Ashworth scale) - Have lost the sensation of hand movement - Have a history of alcohol abuse and/or illicit drug use - Have a history of smoking within the past 5 years - Have a problem with the eyesight that would make it difficult to notice the changing instructions on a computer screen - Currently enrolled in another research study that might affect this research study - A history of epilepsy (including family members who are diagnosed with epilepsy) - An active history of migraine or chronic headache - A history of mental illness (e.g. schizophrenia, anxiety, depression, and PTSD) - Past or current history of treated ringing in the ears known as tinnitus or severe hearing problems - Have a tattoo with metal-based ink in the head or neck. - Have severe skin damage on the scalp - Afraid of confined spaces (claustrophobic) - Have metallic implants, including intracranial electrodes, surgical clips, shrapnel or a pacemaker. - Currently taking medications that increase the risk of seizures - Pregnant

  • Start Date

    2019-08-31

  • Last Updated

    2019-08-14

  • Sponsor

    Kessler Foundation

  • Condition Name

    Stroke

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