Getting aligned on representational alignment
- URL: http://arxiv.org/abs/2310.13018v2
- Date: Thu, 2 Nov 2023 17:49:18 GMT
- Title: Getting aligned on representational alignment
- Authors: Ilia Sucholutsky, Lukas Muttenthaler, Adrian Weller, Andi Peng,
Andreea Bobu, Been Kim, Bradley C. Love, Erin Grant, Iris Groen, Jascha
Achterberg, Joshua B. Tenenbaum, Katherine M. Collins, Katherine L. Hermann,
Kerem Oktar, Klaus Greff, Martin N. Hebart, Nori Jacoby, Qiuyi Zhang, Raja
Marjieh, Robert Geirhos, Sherol Chen, Simon Kornblith, Sunayana Rane, Talia
Konkle, Thomas P. O'Connell, Thomas Unterthiner, Andrew K. Lampinen,
Klaus-Robert M\"uller, Mariya Toneva, Thomas L. Griffiths
- Abstract summary: We study the study of representational alignment in cognitive science, neuroscience, and machine learning.
There is limited knowledge transfer between research communities interested in representational alignment.
We propose a unifying framework that can serve as a common language between researchers studying representational alignment.
- Score: 89.81370730647467
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Biological and artificial information processing systems form representations
that they can use to categorize, reason, plan, navigate, and make decisions.
How can we measure the extent to which the representations formed by these
diverse systems agree? Do similarities in representations then translate into
similar behavior? How can a system's representations be modified to better
match those of another system? These questions pertaining to the study of
representational alignment are at the heart of some of the most active research
areas in cognitive science, neuroscience, and machine learning. For example,
cognitive scientists measure the representational alignment of multiple
individuals to identify shared cognitive priors, neuroscientists align fMRI
responses from multiple individuals into a shared representational space for
group-level analyses, and ML researchers distill knowledge from teacher models
into student models by increasing their alignment. Unfortunately, there is
limited knowledge transfer between research communities interested in
representational alignment, so progress in one field often ends up being
rediscovered independently in another. Thus, greater cross-field communication
would be advantageous. To improve communication between these fields, we
propose a unifying framework that can serve as a common language between
researchers studying representational alignment. We survey the literature from
all three fields and demonstrate how prior work fits into this framework.
Finally, we lay out open problems in representational alignment where progress
can benefit all three of these fields. We hope that our work can catalyze
cross-disciplinary collaboration and accelerate progress for all communities
studying and developing information processing systems. We note that this is a
working paper and encourage readers to reach out with their suggestions for
future revisions.
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