Lecture3_Elias_BSpace

Lecture3_Elias_BSpace - Elias Research Lecture Sensory...

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Elias Research Lecture
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Sensory Drive “Sensory Drive” Hypothesis = Natural selection drives the evolution of signals that are designed to work effectively Sensory drive works through selection on 1. Habitat Transmission: selection for signals that pass through the environment without degrading 2. Perceptual tuning: selection for sensory systems that are adapted to detect signals in the environment Selection on these processes is predicted to lead to signal matching . Male signals matched to female perception
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Sensory Drive Boughman 2002, TREE
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The natural world is complex - animals that communicate via substrate borne (seismic) vibrations may have many available signaling channels
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Signal Design • Do different “channels” have different transmission properties? • Do different signaling strategies exist to deal with this channel complexity/heterogeneity? – “Specialist” signaling strategy? • Narrow band signals
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Lecture3_Elias_BSpace - Elias Research Lecture Sensory...

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