Definition of Terms

• Hemiparesis:  Weakness on one side of the body, involving the arm and the leg.

• fMRI (functional Magnetic Resonance Imaging): Use of  a magnetic field and radio frequency pulses to produce a detailed picture of the brain and brain function.

• TMS (Transcranial Magnetic Stimulation): Painless, non-invasive brain stimulation used to  measure the excitability of brain cells.

• rTMS (repetitive Transcranial Magnetic Stimulation):  Use of brain stimulation repetitively as a research treatment in order to influence  brain cell activity.

• CIT (Constraint-Induced Therapy): Therapy which includes immobilizing the stronger hand with a cast to encourage greater use of the affected hand.  Activities are performed with the affected hand with guidance by a therapist in rehabilitation.