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Updated: Sep 28, 2025

Optogenetic Stimulation of the Auditory Nerve
Published on: October 8, 2014
Outsourced hearing in an orb-weaving spider that uses its web as an auditory sensor
Jian Zhou1,2, Junpeng Lai1, Gil Menda3
1Department of Mechanical Engineering, Binghamton University, Binghamton, NY 13902.
Abstract:
SignificanceThe sense of hearing in all known animals relies on possessing auditory organs that are made up of cellular tissues and constrained by body sizes. We show that hearing in the orb-weaving spider is functionally outsourced to its extended phenotype, the proteinaceous self-manufactured web, and hence processes behavioral controllability. This finding opens new perspectives on animal extended cognition and hearing-the outsourcing and supersizing of auditory function in spiders. This study calls for reinvestigation of the remarkable evolutionary ecology and sensory ecology in spiders-one of the oldest land animals. The sensory modality of outsourced hearing provides a unique model for studying extended and regenerative sensing and presents new design features for inspiring novel acoustic flow detectors.
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