Electric Fish Charges up Research on Animal Behavior

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S. Sefati, I. D. Neveln, E. Roth, T. R. T. Mitchell, J. B. Snyder, M. A. MacIver, E. S. Fortune and N. J. Cowan. “Mutually opposing forces during locomotion can eliminate the tradeoff between maneuverability and stability”. PNAS, 110(47):18798-18803, 2013. [pdf] [Supp. pdf]

M. S. Madhav, S. A. Stamper, E. S. Fortune, and N. J. Cowan. “Closed-loop stabilization of the jamming avoidance response reveals its locally unstable and globally nonlinear dynamics”. J Exp Biol, 216:4272-4284, 2013. [pdf]

S. A. Stamper*, M. S. Madhav*, N. J. Cowan, and E. S. Fortune. “Beyond the Jamming Avoidance Response: Weakly electric fish respond to the envelope of social electrosensory signals”. J Exp Biol, 215:4196-4207, 2012 . [pdf] *Contributed equally. Ranked as one of the top 3 publications in 2012 in J Exp Biol. Highlighted in Inside JEB: “Gregarious Electric Fish Adjust to Maintain Social Envelope”

S. A. Stamper*, M. S. Madhav*, N. J. Cowan, and E. S. Fortune. “Beyond the Jamming Avoidance Response: Weakly electric fish respond to the envelope of social electrosensory signals”. J Exp Biol, 215:4196-4207, 2012 . [pdf] *Contributed equally. Ranked as one of the top 3 publications in 2012 in J Exp Biol. Highlighted in Inside JEB: “Gregarious Electric Fish Adjust to Maintain Social Envelope”

E. Roth, K. Zhuang, S. A. Stamper, E. S. Fortune, and N. J. Cowan. “Stimulus predictability mediates a switch in locomotor smooth pursuit performance for Eigenmannia virescens.” Journal of Experimental Biology. 214:1170-1180, 2011. [pdf] [Download cover illustration]

N. J. Cowan and E. S. Fortune. “The critical role of locomotion mechanics in decoding sensory systems.” Journal of Neuroscience, 27(5):1123-1128, 2007. [pdf]

Tactile sensing for rapid locomotion

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Short presentation at IROS 2014 by Alican Demir

Special thanks to our collaborators, Jean-Michel Mongeau and Robert J. Full.

Relevant papers:

J. M. Mongeau, A. Demir, C. J. Dallmann, K. Jayaram, N. J. Cowan, and R. J. Full. “Mechanical processing via passive dynamic properties of the cockroach antenna can facilitate control during rapid running”. J Exp Biol, 217(18):3333-3345. [pdf]

J. M. Mongeau, A. Demir, J. Lee, N. J. Cowan, and R. J. Full. “Locomotion and mechanics mediated tactile sensing: antenna reconfiguration simplifies control during high-speed navigation in cockroaches”. J Exp Biol, 216(24):4530-4541, 2013. [pdf] Highlighted in Inside JEB: Antenae’s Mechanical Role in Escaping

A. Demir, E. W. Samson, and N. J. Cowan. “A tunable physical model of arthropod antennae”. In Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), Anchorage, USA, May 3-8, 2010.

A. Demir. “A modular, tunable tactile antenna for exploring the mechanics of sensing”. Master’s thesis, Johns Hopkins University, 2009.

Rhythmic Motor Behavior

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Baltimore Sun

Johns Hopkins Engineering Magazine

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M. M. Ankarali, H. Tutkun Şen, A. De, A. M. Okamura, and N. J. Cowan. “Haptic feedback enhances rhythmic motor control by reducing variability, not improving convergence rate”. J Neurophysiol, 111(6):1286-1299, 2014. [pdf]  [Download cover illustration]

M. M. Ankarali, S. Sefati, M. S. Madhav, A. Long, A. J. Bastian, and N. J. Cowan. “Walking dynamics are symmetric (enough)”. J. R. Soc. Interface, 12: 20150209, 2015. [pdf] [Data and Source Code]

The quest for the perfect toast