University of Wisconsin, Madison
This study is for infants and toddlers between 8 and 24 months old who use one arm and/or hand differently following a perinatal brain injury. This is a time when investigators think they can best help improve how the brain controls movement. Investigators are testing whether the combination of transcutaneous auricular vagus nerve stimulation (taVNS) with 40 hours of constraint-induced movement therapy (CIMT) can help infants move their weaker arm and hand better and make the brain pathways for movement stronger.
Primary Objective • To evaluate the feasibility of using spTMS to elicit motor-evoked potentials (MEPs) in infants with hemiplegic cerebral palsy (CP) due to perinatal brain injury and to determine whether baseline MEP characteristics predict motor response to a 40-hour intervention combining taVNS with CIMT. Exploratory Objective: • To investigate neuroplastic changes in cortical motor circuitry associated with taVNS-paired CIMT by examining longitudinal changes in MEP topography and corresponding motor function.
Inclusion Criteria: * Infants aged 8 to 24 months, diagnosed with hemiplegia or with an evident unilateral upper-limb weakness due to perinatal brain injury * Gross Motor Function Classification System (GMFCS) level I-IV * Infants who have not received previous CIMT in the preceding 3 months * Able to make consecutive appointments for assessments and intervention over 2 weeks, and complete the 3-month follow-up. Exclusion Criteria: * GMFCS level V * Prior CIMT within the past 3 months * Severe motor impairment/quadriplegic involvement. * Uncontrolled seizure disorders, cardiomyopathy, sever…
CIMT involves placing a mitt constraint on the stronger arm and hand while encouraging your child to use the weaker arm and hand during intensive therapy sessions.
Stimulates a nerve by the ear, called the vagus nerve, that may enhance learning motor skills.
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