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Grace Lindsay Profile picture
Grace Lindsay
@neurograce
Computational neuroscientist with an interest in sensory processing | Co-host of @USTpodcast | Author of the upcoming MODELS OF THE MIND
Aug 17, 2022 • 7 tweets • 2 min read
"Many machine learning problems are phrased in terms of an objective function to be optimized. It is time for us to ask a question of larger scope: what is the field’s
objective function?" 1/2 "Do we seek to maximize performance on isolated data sets? Or can we characterize progress in a more meaningful way that measures the concrete impact of machine learning innovations?"
Mar 28, 2022 • 16 tweets • 5 min read
🚨 Paper Alert! Time for a proper #tweeprint of my recent biorxiv paper with Tom Mrsic-Flogel & Maneesh Sahani. We wanted to know: how do recurrent connections help the visual system process degraded images? 1/n
Image To study this, we trained a feedforward convolutional neural network to classify normal images, and then added recurrence meant to help it handle 4 different types of image degradations (pixel noise, blur, low contrast, and occlusion). Image
Mar 30, 2021 • 4 tweets • 1 min read
I believe that we are unlikely to understand the brain by simply looking directly at neural data, yet at the same time the more analysis steps that come between neural activity and a paper's conclusion, the less I believe it. Is this contradictory? Emerging consensus seems to be that the scepticism over over-analyzed data is warranted, yet we are clearly fine with certain chains of analyses that have come to prove useful.
Feb 17, 2021 • 17 tweets • 7 min read
It's happening! My book, "Models of the Mind: How physics, engineering and mathematics have shaped our understanding of the brain", is coming out March 4th! More information on the book and how to get it worldwide here 👉 gracewlindsay.com/2021/02/10/mod… Image In a couple of days I'll start a countdown to publication day by sharing one fun fact/quote from each of the 12 chapters on this 👇 thread. But for now, get your tickets for this RI event where I'll be talking about the book!