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Learned feature representations are biased by complexity, learning order, position, and more

arxiv.org · 21,326 words · saved by 1 readers

This is experimental HTML to improve accessibility. We invite you to report rendering errors. Use Alt+Y to toggle on accessible reporting links and Alt+Shift+Y to toggle off. Learn more about this project and help improve conversions. lampinen@google.com \reportnumber Representation learning, and interpreting learned representations, are key areas of focus in machine learning and neuroscience. Both fields generally use representations as a means to understand or improve a system’s computations. In this work, however, we explore surprising dissociations between representation and computation that may pose challenges for such efforts. We create datasets in which we attempt to match the computational role that different features play, while manipulating other properties of the features or the data. We train various deep learning architectures to compute these multiple abstract features about their inputs. We find that their learned feature representations are systematically biased toward

\correspondingauthor lampinen@google.com \reportnumber Learned feature representations are biased by complexity, learning order, position, and more Andrew Kyle Lampinen Google DeepMind Stephanie C. Y. Chan Google DeepMind Katherine Hermann Google DeepMind Abstract Representation learning, and interpreting learned representations, are key areas of focus in machine learning and neuroscience. Both fields generally use representations as a means to understand or improve a system’s computations. In this work, however, we explore surprising dissociations between representation and computation that m

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