Transcranial Magnetic Stimulation (TMS) for CRPS

Inclusion Criteria: * Age 18 or older * Diagnosis of CRPS (complex regional pain syndrome) * Average pain level reported on Numerical Rating Scale meets entry criteria * Ability to perform the experimental task and procedures. Exclusion Criteria: * MRI contraindication (metal implants or devices, claustrophobia) * TMS Contraindication (eg metal implant or devices near the site of stimulation) * History of epilepsy * History of a psychological or psychiatric disorder that would interfere with study procedures, at the discretion of the researcher. * Neurologic illness that would interfere with brain integrity * Current medical condition or medication use that would interfere with study procedures or data integrity, at the discretion of the researcher. * Currently pregnant or planning to become pregnant. * On going legal action or disability claim.