Patent ID: 9119965
Filing Date: 2015-09-01
Classification: A61N

Abstract:
1. A method for use with an implantable medical system for implant within a patient, the method comprising: delivering neurostimulation to the patient using the implantable system; sensing spinal cord nerve impulse signals in response to the neurostimulation; measuring a power spectral density (PSD) parameter of a heart rate variability (HRV) parameter using a cardiac sensing lead implanted within the patient and assessing patient mood based on the PSD of the HRV; analyzing the spinal cord nerve impulse signals to determine whether the signals are indicative of effective neurostimulation sufficient to improve patient mood; and controlling the delivery of additional neurostimulation based on the spinal cord nerve impulse signals and the assessed patient mood based on the PSD of the HRV to adjust neurostimulation efficacy to improve patient mood.