A system or method for motor rehabilitation of a paretic limb including: a first plurality of sensors for registering brain neurosignals; a body-actuator; a hybrid brain machine interface for decoding brain neurosignals into movements of the body-actuator; a second plurality of EMG sensors couplable to the paretic limb for registering its EMG activity; a device for providing the patient with instructions relative to a series of exercises and/or tasks to be carried out with the paretic limb;
wherein upon carrying out a series of training sessions, each session comprising at least a set of such instructions, the hybrid brain machine interface is configured to switch between controlling the movements of the body-actuator based on the decoded brain neurosignals and a hybrid control of the movements of the body-actuator, when a significant level of decodable EMG activity has been registered, the hybrid control being an EMG-gated brain control.

A skull-mounted drug and pressure sensor (SOS), a smart pump (ISP) electrically coupled to the SOS and a drug delivery and communications catheter communicating the SOS with the ISP are combined for a first embodiment. A skull-mounted (SOS), a metronomic biofeedback pump (MBP) electrically coupled to the SOS and a drug delivery and communications catheter having a sending and receiving optical fiber communicating the SOS with the MBP are combined for a second embodiment. A third embodiment combines a (SOS), an implantable power and communication unit (PCU) electrically coupled to the SOS, and a drug delivery and communications catheter for communicating the SOS with the PCU and for communicating the exterior source of the drug to the SOS. A fourth embodiment combines a ventricular catheter with a CSF accessible chamber and drug delivery port; and an implantable stand-alone skull-mounted drug and pressure sensor (SPS).

A system includes memory and processing circuitry coupled to the memory and configured to determine a plurality of local field potential (LFP) measurements of an LFP, wherein the LFP is intrinsically generated by a signal source within a brain of a patient, determine one or more electrodes for delivering a therapeutic electrical stimulation signal based on the LFP measurements, control stimulation generation circuitry to deliver a plurality of electrical stimulation signals via the determined one or more electrodes, wherein the plurality of electrical stimulation signals each comprise at least one different therapy parameter, for respective ones of the plurality of electrical stimulation signals, determine respective evoked signals, wherein the respective evoked signals are evoked by delivery of the respective plurality of electrical stimulation signals, and determine at least one parameter for the therapeutic electrical stimulation signal based on the respective evoked signals.

In certain embodiments, a neural probe comprises a substrate comprising elongated shanks for penetrating neural tissue, each comprising a proximal end and a distal end; at least one optical source integral to the neural probe for illuminating the neural tissue; and microelectrodes located proximate the distal end of the elongated shanks for monitoring neuronal activity. In certain embodiments, a method of monitoring neuronal activity comprises implanting the neural probe into a test subject such that the elongated shanks protrude into neural tissue of the test subject; illuminating the neural tissue with the at least one optical source; and measuring neuronal activity in response to illuminating the neural tissue. In certain embodiments, a device comprises a semiconductor chip; at least one optical source integral to the semiconductor chip; and sensor elements integral to the semiconductor chip for collecting data responsive to light emitted from the at least one optical source.

The present disclosure describes system and methods for detecting and amplifying weak magnetic fields generated by anatomical structures. The disclosure describes an implantable magnetic reporter system. The magnetic reporter system includes a magnetic reporter. The magnetic reporter includes a platform coupled to a support structure by a plurality of torsional flexures. A magnet is disposed on the platform, and the magnet and platform rotate when exposed to a magnetic field. The rotation of the magnet generates a stronger magnet field that is detectable external to the patient.

The technology disclosed can be implemented to construct devices with an array of optical elements to provide power to stimulate a biological process in a nerve system in living objects, and to provide patterned light outputs from the array of optical elements to indicate a corresponding electrical pattern monitored from the biological process in the nerve system. In one aspect a nerve stimulator apparatus is disclosed including a plurality of optical to electrical transducers arranged in a two-dimensional array, wherein each of the plurality of optical to electrical transducers is configured to convert light to an electrical signal; a plurality of electrodes, each electrode associated with one or more associated optical to electrical transducers; and a plurality of electrical interconnects to connect each of the plurality of electrodes to the one or more associated optical transducers. In another aspect nerve sensor apparatus is disclosed including a plurality of optical to electrical transducers; a plurality of optical sources; a plurality of electrodes, each electrode associated with one or more optical to electrical transducers, each optical source configured to modulate light output according to a voltage at one of the plurality of electrodes; and a plurality of electrical interconnects.

A system for brain stimulation of a patient is provided, the system having an implantable stimulator, at least one sensor component for acquiring at least one measure indicative of patient's mood, and at least one implantable stimulation electrode, designed for providing electrical pulses stimulating inside the patient's brain. The at least one stimulation electrode is connectable, through an implantable connector, to the implantable stimulator, the implantable stimulator having at least one programmable channel for conducting the electrical stimulation pulses to the at least one stimulation electrode, and being adapted for receiving continuous input signals from the at the least one sensor component. The system also has a computational unit for processing the at least one measure, and a patient's body external control interface (5) for patient and/or physician interactions.

Provided are systems, methods, and devices for measurement, identification, and generation of sleep state models. Systems include a plurality of electrodes configured to be coupled to a brain of a user and configured to obtain a plurality of measurements from the brain of the user, and an interface configured to obtain the plurality of measurements from the plurality of electrodes. Systems include a processing device comprising one or more processors configured to generate a sleep state model associated with the user, the sleep state model identifying characteristics of a plurality of sleep stages, and further identifying characteristics of transitions between the plurality of sleep stages. Systems include a controller comprising one or more processors configured to generate a control signal based on the sleep state model and the plurality of measurements.

Neural signals of a subject intending certain postures can be decoded and a controllable device can be commanded to perform certain actions based on the decoded intended postures with a system, and method of use thereof, including a brain machine interface (BMI) device. The system also includes electrodes in communication with the subject's nervous system to record the neural signals and the controllable device, both in communication with the BMI device. The BMI device can store instructions and previously calibrated neural activity patterns for the certain postures and a processor for receiving the neural signals, pre-processing the neural signals, decoding the neural signals into neural activity patterns, and matching the neural activity patterns to the previously calibrated neural activity patterns. If a match is determined, then the BMI device can send a command, previously linked to the intended posture, to the controllable device to perform the action.

A method of assessing electrical activity of a brain includes, for each of a plurality of electrical-activity records of the brain, applying a machine-learned ESC model to the record to classify the record as one of a seizure record or a non-seizure record, wherein each of record is sensed by a corresponding one of a plurality of sensing channels of an implanted medical device; for each seizure record in a set of seizure records, applying the machine-learned ESC model to the seizure record to classify the seizure record as one of a local-seizure record or a spread-seizure record, wherein the seizure record comprises a first seizure record captured by a first sensing channel and a second seizure record captured by a second sensing channel; and for each spread-seizure record in a set of spread-seizure records, applying a machine-learned SSC model to the spread-seizure record to classify the spread-seizure record as a type of seizure spread pattern.