Neuromorphic Integrated Bioelectronics

BENG 207 Special Topics in Bioengineering | Fall 2021

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Schedule

All class meetings are 3:30pm-3:50pm PT in Powell-Focht Bioengineering Hall 191 (Fung Auditorium), and Zoom: https://ucsd.zoom.us/j/98260066630


Date Topic Lecture Materials
9/27, 9/29 Biophysical foundations of natural intelligence in neural systems. Subthreshold MOS silicon models of membrane excitability. Silicon neurons. Hodgkin-Huxley and integrate-and-fire models of spiking neuronal dynamics. Action potentials as address events. W1 Lectures
10/4, 10/6 Silicon retina. Low-noise, high-dynamic range photoreceptors. Focal-plane array signal processing. Spatial and temporal contrast sensitivity and adaptation. Dynamic vision sensors. W2 Lectures
10/11, 10/13 Silicon cochlea. Low-noise acoustic sensing and automatic gain control. Continuous wavelet filter banks. Interaural time difference and level difference auditory localization. Blind source separation and independent component analysis. W3 Lectures
10/18, 10/20 Silicon cortex. Neural and synaptic compute-in-memory arrays. Address-event decoders and arbiters, and integrate-and-fire array transceivers. Hierarchical address-event routing for locally dense, globally sparse long-range connectivity across vast spatial scales. W4 Lectures
10/25, 10/27 Review. Modular and scalable design for neuromorphic and bioelectronic integrated circuits and systems. Design for full testability and controllability. W5 Lectures
11/1, 11/3 Midterm due 11/2. Low-noise, low-power design. Fundamental limits of noise-energy efficiency, and metrics of performance. Biopotential and electrochemical recording and stimulation, lab-on-a-chip electrophysiology, and neural interface systems-on-chip. W6 Lectures
11/8, 11/10 Learning and adaptation to compensate for external and internal variability over extended time scales. Background blind calibration of device mismatch. Correlated double sampling and chopping for offset drift and low-frequency noise cancellation. W7 Lectures
11/15, 11/17 Energy conservation. Resonant inductive power delivery and data telemetry. Ultra-high efficiency neuromorphic computing. Resonant adiabatic energy-recovery charge-conserving synapse arrays. W8 Lectures
11/22, 11/24

Guest lectures:
11/22 -- Tobias Delbruck, INI Zurich: Neuromorphic event-driven vision
11/24 -- Terrence Sejnowski, Salk Institute: Event-driven learning at extended time scales

W9 Lectures
11/29, 12/1 Project final presentations. All are welcome! Fall 2021 Projects