Notes

Outline

Slide 1

FREEING THE MACHINE INSIDE

LOSS OF FUNCTION

NEURAL PROSTHETICS

NEURAL PROSTHETICS

NEURAL PROSTHETICS

BRAIN-MACHINE INTERFACES

LANGUAGE OF THE BRAIN

A NEURAL PROSTHETIC

KEY QUESTOINS

SENSING THE BRAIN

VISUALIZING THE PLAYERS

SINGLE UNIT ACTIVITY

NEURAL “CODING”

RATE CODING

RATE CODING

PRIMARY MOTOR CORTEX

NEURAL IMPLANT

NEURAL IMPLANT

NEURAL IMPLANT

“PINBALL” TASK

Slide 22

Slide 23

GENERATIVE MODEL

ENCODING

ENCODING

ENCODING

ENCODING SUMMARY

DECODING Georgopoulos et al. (1986) Taylor et al. (2002) Warland et al. (1997) Linear filter, ANN Wessberg et al.(2000) Linear filter, ANN Brown et al. (1998) Kalman filter (hippocampal place cells) Serruya et al.(2002) Linear filter (position) Gao et al. (2002) Particle filter

Slide 30

GENERATIVE MODEL

TRAINING

BAYESIAN INFERENCE

Slide 34

RECONSTRUCTION (TEST DATA)

Slide 36

Slide 37

TRANSFORMED RATE

Slide 39

LINEAR FILTER RESULT

REAL-TIME DEMO

ROBOT CONTROL

SUMMARY

CURRENT WORK

CURRENT WORK

CURRENT/FUTURE WORK

CURRENT/FUTURE WORK

BIOLOCIALLY EMBEDDED COMPUTING

THANKS

Slide 50