Mutual influence between language and perception in multi-agent communication games
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Mutual influence between language and perception in multi-agent communication games. / Ohmer, Xenia; Marino, Michael; Franke, Michael; König, Peter.
In: PLOS COMPUT BIOL, Vol. 18, No. 10, e1010658, 10.2022.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Mutual influence between language and perception in multi-agent communication games
AU - Ohmer, Xenia
AU - Marino, Michael
AU - Franke, Michael
AU - König, Peter
N1 - Copyright: © 2022 Ohmer et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
PY - 2022/10
Y1 - 2022/10
N2 - Language interfaces with many other cognitive domains. This paper explores how interactions at these interfaces can be studied with deep learning methods, focusing on the relation between language emergence and visual perception. To model the emergence of language, a sender and a receiver agent are trained on a reference game. The agents are implemented as deep neural networks, with dedicated vision and language modules. Motivated by the mutual influence between language and perception in cognition, we apply systematic manipulations to the agents' (i) visual representations, to analyze the effects on emergent communication, and (ii) communication protocols, to analyze the effects on visual representations. Our analyses show that perceptual biases shape semantic categorization and communicative content. Conversely, if the communication protocol partitions object space along certain attributes, agents learn to represent visual information about these attributes more accurately, and the representations of communication partners align. Finally, an evolutionary analysis suggests that visual representations may be shaped in part to facilitate the communication of environmentally relevant distinctions. Aside from accounting for co-adaptation effects between language and perception, our results point out ways to modulate and improve visual representation learning and emergent communication in artificial agents.
AB - Language interfaces with many other cognitive domains. This paper explores how interactions at these interfaces can be studied with deep learning methods, focusing on the relation between language emergence and visual perception. To model the emergence of language, a sender and a receiver agent are trained on a reference game. The agents are implemented as deep neural networks, with dedicated vision and language modules. Motivated by the mutual influence between language and perception in cognition, we apply systematic manipulations to the agents' (i) visual representations, to analyze the effects on emergent communication, and (ii) communication protocols, to analyze the effects on visual representations. Our analyses show that perceptual biases shape semantic categorization and communicative content. Conversely, if the communication protocol partitions object space along certain attributes, agents learn to represent visual information about these attributes more accurately, and the representations of communication partners align. Finally, an evolutionary analysis suggests that visual representations may be shaped in part to facilitate the communication of environmentally relevant distinctions. Aside from accounting for co-adaptation effects between language and perception, our results point out ways to modulate and improve visual representation learning and emergent communication in artificial agents.
KW - Language
KW - Communication
KW - Semantics
KW - Cognition
KW - Visual Perception
U2 - 10.1371/journal.pcbi.1010658
DO - 10.1371/journal.pcbi.1010658
M3 - SCORING: Journal article
C2 - 36315590
VL - 18
JO - PLOS COMPUT BIOL
JF - PLOS COMPUT BIOL
SN - 1553-734X
IS - 10
M1 - e1010658
ER -