William Nourse

@wnourse.bsky.social

17 Followers 54 Following

A postdoc working at the intersection of NeuroAI, Robotics, and Neuromorphic Computing.

Comparing GPU, single and multi-threaded CPU, and SpiNNaker2 for executing our network. SpiNNaker2 does way, way better
Two funky polar shapes, rose curve on the right and a harmonically distorted curve on the left.
Left: schematic of the network with readout neurons added. Changing the stim rate into the readout neurons changes the radius, either uniformly (center) or spatially unique (right). Network size N=50 for butter-smooth curves
A boring polar trajectory, where each neuron is firing at the same rate so the resulting polar trajectory is a circle. A chunky circle with only 5 samples, but a circle regardless.
Stimulating the accessory neurons at different rates allows for spatially-decoupled speed control
A connectivity matrix describing the network architecture, and a schematic diagram
A WTA-based SNN, where stimulating different interneuron populations induces different directions of rotation