Tu and Daniel, Sept 9, 2003

1. Attaching neurochip to moth Manduca in free flight, carrying neurochip prototype 350mg total mass (including battery) Tu and Daniel, Sept 9, 2003

2. Neurochip Prototype(shown in previous slide) 1cm × 1.25cm × 1mm; 350mg (with battery) bare dice are encapsulated

3. v2 v4 v3 v5 n1 Neurochip Enhancement: On-Chip Spike Discriminator Discriminator Performance Window-Discriminating Algorithm A recording from a bursting unit (larger magnitude) and a tonically firing unit upper window Threshold v1 n2 lower window Template = [v1, v2, v3, n1, v4, v5, n2] The Neurochip discriminates smaller magnitude tonic spikes and stamps them with a vertical line

4. On-board storage Data handler Sync Serial Interface Spike Discriminator State Machine Stimulator State Machine Circular buffer Dual-channel parallel ADC Infrared Communications Protocol Stack Power Manager Multi-Threaded Neurochip Architecture

5. Adapting the Neurochip to Macaque Recordings Work withEb Fetz, UW 54mm × 19.5mm This neurochip will be used for experiments on primate corticospinal motor circuits

6. Relationship between bilaterally asymmetric activation of the wing elevator muscles and lateral movement during odor tracking in free-flight. The muscle on the inside of the turn is activated later than the one on the outside of the turn