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Say That Again: The Role Of Multimodal Redundancy In Communication And Context, Brandon Javier Dormes
Say That Again: The Role Of Multimodal Redundancy In Communication And Context, Brandon Javier Dormes
Cognitive Science Senior Theses
With several modes of expression, such as facial expressions, body language, and speech working together to convey meaning, social communication is rich in redundancy. While typically relegated to signal preservation, this study investigates the role of cross-modal redundancies in establishing performance context, focusing on unaided, solo performances. Drawing on information theory, I operationalize redundancy as predictability and use an array of machine learning models to featurize speakers' facial expressions, body poses, movement speeds, acoustic features, and spoken language from 24 TEDTalks and 16 episodes of Comedy Central Stand-Up Presents. This analysis demonstrates that it is possible to distinguish between these …