HC2022.Yale.Bhattacharjee.v5.pdf

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1、HALO:A Flexible and Low Power Processing Fabric for Brain-Computer InterfacesAbhishek Bhattacharjee,Computer ScienceRajit Manohar,Electrical EngineeringYale UniversityIoannis KarageorgosKarthik SriramJn VeselMichael WuXiayuan WenNick LindsayLenny KhazanHow are implantable brain-computer interfaces i

2、mplemented?SensorsADCsLogicRadioStimulatorsDACsImplantable brain-computer interfaces trade processing,power,real-time processing,and flexibilityThe FDA warns against overheating cellular tissue beyond 1 15-40mWDARPA NESD targets 100s Mbps-10s Gbps to read/stimulate biological neuronsResponses within

3、 10s of milliseconds to treat epilepsy or movement disordersFlexibility for new computational methods,use cases,for personalization,and to build standards for wider computational stackTASKSMedtronicNeuropaceAziz et al.Chen et al.Kassiri et al.NURIPHALOSpike DetectionCompressionSeizure PredictionMove

4、ment IntentEncryptionFEATURESProgrammableLimitedLimitedLimitedRead Bandwidth10Kbps20Kbps10Mbps8Kbps4Mbps46MpbsStimulation Bandwidth10Kbps20Kbps8MpbsSafety(15mW)TASKSMedtronicNeuropaceAziz et al.Chen et al.Kassiri et al.NURIPHALOSpike DetectionCompressionSeizure PredictionMovement IntentEncryptionFEA

5、TURESProgrammableLimitedLimitedLimitedRead Bandwidth10Kbps20Kbps10Mbps8Kbps4Mbps46MpbsStimulation Bandwidth10Kbps20Kbps8MpbsSafety(15mW)TASKSMedtronicNeuropaceAziz et al.Chen et al.Kassiri et al.NURIPHALOSpike DetectionCompressionSeizure PredictionMovement IntentEncryptionFEATURESProgrammableLimited

6、LimitedLimitedRead Bandwidth10Kbps20Kbps10Mbps8Kbps4Mbps46MpbsStimulation Bandwidth10Kbps20Kbps8MpbsSafety(15mW)TASKSMedtronicNeuropaceAziz et al.Chen et al.Kassiri et al.NURIPHALOSpike DetectionCompressionSeizure PredictionMovement IntentEncryptionFEATURESProgrammableLimitedLimitedLimitedRead Bandw