An implantable device for monitoring physiological changes in an organism is disclosed. The device includes a matrix positioned proximate a biological material of the organism, an irradiation device associated with the matrix for exposing the biological material to radiation, and a sensor device associated...http://www.google.com/patents/US8024020?utm_source=gb-gplus-sharePatent US8024020 - System and method for stimulation of biologic signals in a bio-electro-physiologic matrix