Abstract
The peripheral auditory system of a lizard is strongly directional. This directionality is created by acoustical coupling of the two eardrums and is strongly dependent on characteristics of the middle ear, such as interaural distance, resonance frequency of the middle ear cavity and of the tympanum. Therefore, directionality should be strongly influenced by their scaling. In the present study, we have exploited an FPGA-based mobile robot based on a model of the lizard ear to investigate the influence of scaling on the directional response, in terms of the robot's performance in a phonotaxis task. The results clearly indicate that the model's frequency response scales proportionally with the model parameters. © 2010 Springer-Verlag.
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CITATION STYLE
Shaikh, D., Hallam, J., & Christensen-Dalsgaard, J. (2010). Modifying directionality through auditory system scaling in a robotic lizard. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6226 LNAI, pp. 82–92). https://doi.org/10.1007/978-3-642-15193-4_8
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