Generative adversarial networks for reconstructing natural images from brain activity

NeuroImage
K SeeligerM A J van Gerven

Abstract

We explore a method for reconstructing visual stimuli from brain activity. Using large databases of natural images we trained a deep convolutional generative adversarial network capable of generating gray scale photos, similar to stimuli presented during two functional magnetic resonance imaging experiments. Using a linear model we learned to predict the generative model's latent space from measured brain activity. The objective was to create an image similar to the presented stimulus image through the previously trained generator. Using this approach we were able to reconstruct structural and some semantic features of a proportion of the natural images sets. A behavioural test showed that subjects were capable of identifying a reconstruction of the original stimulus in 67.2% and 66.4% of the cases in a pairwise comparison for the two natural image datasets respectively. Our approach does not require end-to-end training of a large generative model on limited neuroimaging data. Rapid advances in generative modeling promise further improvements in reconstruction performance.

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Citations

Apr 30, 2019·Frontiers in Computational Neuroscience·Guohua ShenYukiyasu Kamitani
May 28, 2019·Communications Biology·Rufin VanRullen, Leila Reddy
Apr 15, 2020·Annals of Biomedical Engineering·Wei HuangHuafu Chen
Dec 30, 2020·Briefings in Bioinformatics·Jesse A Livezey, Joshua I Glaser
Nov 11, 2020·Journal of Neural Engineering·Xiang ZhangYu Zhang
Jan 12, 2020·Communications Biology·Rufin VanRullen, Leila Reddy
Aug 9, 2021·Trends in Cognitive Sciences·Lore GoetschalckxJohan Wagemans
Sep 4, 2021·Neural Networks : the Official Journal of the International Neural Network Society·Wei HuangHuafu Chen

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