2018
DOI: 10.1126/science.aaq1118
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Efficient coding explains the universal law of generalization in human perception

Abstract: Perceptual generalization and discrimination are fundamental cognitive abilities. For example, if a bird eats a poisonous butterfly, it will learn to avoid preying on that species again by generalizing its past experience to new perceptual stimuli. In cognitive science, the "universal law of generalization" seeks to explain this ability and states that generalization between stimuli will follow an exponential function of their distance in "psychological space." Here, I challenge existing theoretical explanatio… Show more

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Cited by 103 publications
(140 citation statements)
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References 33 publications
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“…In developing an efficient diffusion model of communication, we introduced the notion of compression efficiency, which describes the prioritization of either communication fidelity or lossy compression in structural networks. Five predictions of rate-distortion theory and information diffusion adapted from prior literature corroborated our findings, supporting the validity of 20 compression efficiency [29,27,25]. Broadly, our work advances the study of brain network communication efficiency, information integration, and neural noise by reframing brain network communication as diffusing messages governed by rate-distortion and efficient coding theories.…”
Section: Discussionsupporting
confidence: 86%
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“…In developing an efficient diffusion model of communication, we introduced the notion of compression efficiency, which describes the prioritization of either communication fidelity or lossy compression in structural networks. Five predictions of rate-distortion theory and information diffusion adapted from prior literature corroborated our findings, supporting the validity of 20 compression efficiency [29,27,25]. Broadly, our work advances the study of brain network communication efficiency, information integration, and neural noise by reframing brain network communication as diffusing messages governed by rate-distortion and efficient coding theories.…”
Section: Discussionsupporting
confidence: 86%
“…To evaluate the roles of resource efficiency and rate-distortion theory in the brain, we assess five previously published predictions of rate-distortion theory and information diffusion ( Figure 1C) [25,29]. The first prediction of rate-distortion theory is that communication systems should produce an information rate that is an exponential function of distortion.…”
Section: Age (Years) Global Compression Efficiencymentioning
confidence: 99%
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“…More broadly, both the RBF and diffusion kernel can be understood as instantiations of Shepard's (1987) "universal law of generalization" in a function learning domain, by expressing generalization as an exponentially decaying function of the distance between two stimuli. Shepard famously proposed that the law of generalization should be the first law of psychology, while recent work has further entrenched it in fundamental properties of efficient coding (Sims, 2018) and measurement invariance (Frank, 2018).…”
Section: Connections To Function Learning On Continuous Domainsmentioning
confidence: 99%