Sensory flow shaped by active sensing: sensorimotor strategies in electric fish

Hofmann V, Sanguinetti-Scheck JI, Künzel S, Geurten B, Gómez-Sena L, Engelmann J (2013)
The Journal of experimental biology 216(13): 2487-2500.

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Abstract
Goal-directed behavior in most cases is composed of a sequential order of elementary motor patterns shaped by sensorimotor contingencies. The sensory information acquired thus is structured in both space and time. Here we review the role of motion during the generation of sensory flow focusing on how animals actively shape information by behavioral strategies. We use the well-studied examples of vision in insects and echolocation in bats to describe commonalities of sensory-related behavioral strategies across sensory systems, and evaluate what is currently known about comparable active sensing strategies in electroreception of electric fish. In this sensory system the sensors are dispersed across the animal's body and the carrier source emitting energy used for sensing, the electric organ, is moved while the animal moves. Thus ego-motions strongly influence sensory dynamics. We present, for the first time, data of electric flow during natural probing behavior in Gnathonemus petersii (Mormyridae), which provide evidence for this influence. These data reveal a complex interdependency between the physical input to the receptors and the animal's movements, posture and objects in its environment. Although research on spatiotemporal dynamics in electrolocation is still in its infancy, the emerging field of dynamical sensory systems analysis in electric fish is a promising approach to the study of the link between movement and acquisition of sensory information.
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Hofmann V, Sanguinetti-Scheck JI, Künzel S, Geurten B, Gómez-Sena L, Engelmann J. Sensory flow shaped by active sensing: sensorimotor strategies in electric fish. The Journal of experimental biology. 2013;216(13):2487-2500.
Hofmann, V., Sanguinetti-Scheck, J. I., Künzel, S., Geurten, B., Gómez-Sena, L., & Engelmann, J. (2013). Sensory flow shaped by active sensing: sensorimotor strategies in electric fish. The Journal of experimental biology, 216(13), 2487-2500.
Hofmann, V., Sanguinetti-Scheck, J. I., Künzel, S., Geurten, B., Gómez-Sena, L., and Engelmann, J. (2013). Sensory flow shaped by active sensing: sensorimotor strategies in electric fish. The Journal of experimental biology 216, 2487-2500.
Hofmann, V., et al., 2013. Sensory flow shaped by active sensing: sensorimotor strategies in electric fish. The Journal of experimental biology, 216(13), p 2487-2500.
V. Hofmann, et al., “Sensory flow shaped by active sensing: sensorimotor strategies in electric fish”, The Journal of experimental biology, vol. 216, 2013, pp. 2487-2500.
Hofmann, V., Sanguinetti-Scheck, J.I., Künzel, S., Geurten, B., Gómez-Sena, L., Engelmann, J.: Sensory flow shaped by active sensing: sensorimotor strategies in electric fish. The Journal of experimental biology. 216, 2487-2500 (2013).
Hofmann, Volker, Sanguinetti-Scheck, Juan I, Künzel, Silke, Geurten, Bart, Gómez-Sena, Leonel, and Engelmann, Jacob. “Sensory flow shaped by active sensing: sensorimotor strategies in electric fish”. The Journal of experimental biology 216.13 (2013): 2487-2500.
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Computational modeling of electric imaging in weakly electric fish: insights for physiology, behavior and evolution.
Gomez-Sena L, Pedraja F, Sanguinetti-Scheck JI, Budelli R., J. Physiol. Paris 108(2-3), 2014
PMID: 25245199
Motor patterns during active electrosensory acquisition.
Hofmann V, Geurten BR, Sanguinetti-Scheck JI, Gomez-Sena L, Engelmann J., Front Behav Neurosci 8(), 2014
PMID: 24904337

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