Study to Evaluate Automated Intensity Management in Patients Undergoing a BSC SCS Temporary Trial

Key Inclusion Criteria: * Study candidate is undergoing a temporary SCS trial of commercially approved BSC neurostimulator system, per local directions for use (DFU). * Subject signed a valid, EC/IRB-approved informed consent form. * Age 18 or above, or above legal age and willing and capable of giving informed consent specific to national law when written informed consent is obtained. * In the clinician best judgment, subject is able to distinguishably describe quality and location of sensation and pain. Key Exclusion Criteria: * Subject meets any contraindication in BSC neurostimulation system local DFU. * Investigator-suspected gross lead migration during the SCS trial period which may preclude the study candidate from receiving adequate SCS therapy. * Subject is currently diagnosed with cognitive impairment, or exhibits any characteristic, that in the clinician's best judgement would limit study candidate's ability to assess and report sensation information. * Subject is currently diagnosed with a physical impairment, or exhibits a condition that would limit study candidate's ability to complete study assessments.