There is provided an implantable device for the acquisition and monitoring of brain bioelectric signals comprising active electrodes suitable to detect brain bioelectric signals, said active electrodes being arranged on a grid connected to an electronic module of the implantable device according to a predefined pattern. The active electrodes are connected to a microprocessor of said electronic module through respective paths formed on said grid and connected to at least one analog input unit arranged in the electronic module, the analog input unit being in turn connected to at least one passive electrode and to said microprocessor through a data bus. The analog input unit comprises an analog-to-digital converter for each active electrode connected thereto. It is possible to acquire in parallel and simultaneously the bioelectric signals detected by each active electrode, which results in an improvement in the accuracy of localization and mapping of a brain disease focus.
IMPLANTABLE DEVICE FOR ACQUISITION AND MONITORING OF BRAIN BIOELECTRIC SIGNALS AND FOR INTRACRANIAL STIMULATION