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Keywords: modeling
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Journal Articles
J Exp Biol (2021) 224 (21): jeb242740.
Published: 25 October 2021
...Louis K. Scheffer; Ian A. Meinertzhagen ABSTRACT Understanding the structure and operation of any nervous system has been a subject of research for well over a century. A near-term opportunity in this quest is to understand the brain of a model species, the fruit fly Drosophila melanogaster...
Journal Articles
J Exp Biol (2021) 224 (11): jeb242428.
Published: 11 June 2021
... Navigation Decision making Modeling Many animals have evolved behaviors to find favorable locations in complex natural environments. Such behaviors include chemotaxis to approach or avoid chemical stimuli, thermotaxis to find cooler or warmer regions, and phototaxis to approach or avoid light...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (16): jeb201962.
Published: 16 August 2019
... interactions change rapidly as growth and development alter bladder dimensions and otolith–bladder distance. We used computed tomography imagery of lab-reared larval red drum ( Sciaenops ocellatus ) in a finite-element model to assess ontogenetic changes in acoustic pressure sensitivity in response to a plane...
Journal Articles
J Exp Biol (2017) 220 (11): 2036–2046.
Published: 1 June 2017
...Kaleb C. Sellers; Kevin M. Middleton; Julian L. Davis; Casey M. Holliday ABSTRACT Three-dimensional computational modeling offers tools with which to investigate forces experienced by the skull during feeding and other behaviors. American alligators ( Alligator mississippiensis ) generate some...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (15): 2740–2751.
Published: 1 August 2014
... on these findings, we developed a forward-dynamic model of propulsion in free swimming that accurately predicted changes in the body's center of mass over time. For both tethered and free swimming, we used non-linear optimization algorithms to determine the force coefficients that best matched our measurements...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (10): 1799–1803.
Published: 15 May 2014
.... Several studies have shown that species with large olfactory recesses tend to have a well-developed sense of smell. However, no study has investigated how the size of the olfactory recess relates to air circulation near the olfactory epithelium. Here we used a computer model of the nasal cavity from a bat...
Journal Articles
J Exp Biol (2011) 214 (4): 561–574.
Published: 15 February 2011
...J. Chen; W. O. Friesen; T. Iwasaki SUMMARY Swimming of fish and other animals results from interactions of rhythmic body movements with the surrounding fluid. This paper develops a model for the body–fluid interaction in undulatory swimming of leeches, where the body is represented by a chain...
Journal Articles
J Exp Biol (2008) 211 (1): 86–91.
Published: 1 January 2008
... are good predictors of bite force across a wide range of species using a modeling approach. Model calculations of bite force show good correspondence with in vivo data suggesting that they can be used to estimate performance of the cranial system. Moreover, our data show that bite force is strikingly well...
Journal Articles
J Exp Biol (2007) 210 (19): 3395–3406.
Published: 1 October 2007
... proximally than the proximal face. Using quantitative geometric models based on this natural morphology, we show that this inversion of insertion points serves to equalize strains across the muscle such that at any gape angle all fibers in the muscle are operating at similar positions on their length–tension...
Journal Articles
J Exp Biol (2007) 210 (18): 3209–3217.
Published: 15 September 2007
... could contribute to the self-stabilizing behavior. We imposed large, dorsal-ventrally directed impulsive perturbations to isolated hind legs having both a fixed and free body–coxa joint and measured their recovery. We tested a frequency-independent hysteretic damping model that effectively predicted...
Journal Articles
J Exp Biol (2006) 209 (8): 1502–1515.
Published: 15 April 2006
...Daniel M. Dudek; Robert J. Full SUMMARY While the dynamics of running arthropods have been modeled as a spring-mass system, no such structures have been discovered that store and return energy during bouncing. The hindleg of the cockroach Blaberus discoidalis is a good candidate for a passive...
Journal Articles
J Exp Biol (2005) 208 (17): 3221–3232.
Published: 1 September 2005
..., including choosing experimental models, guiding data collection, improving data interpretations and constructing more rigorous system models. Finally, we conclude with an invitation for physiologists, applied mathematicians and physicists to collaborate on describing, studying and learning from studies...
Journal Articles
J Exp Biol (2005) 208 (17): 3275–3279.
Published: 1 September 2005
...Amanda Felder; Samuel R. Ward; Richard L. Lieber SUMMARY The use of sarcomere length to normalize fiber length in architectural studies is commonly practiced but has not been explicitly validated. Using mouse hindlimb muscles as a model system, ankle joints were intentionally set to angles ranging...
Journal Articles
J Exp Biol (2004) 207 (22): 3873–3881.
Published: 15 October 2004
...Andrew M. Carroll; Peter C. Wainwright; Stephen H. Huskey; David C. Collar; Ralph G. Turingan SUMMARY Suction feeding fish differ in their capacity to generate subambient pressure while feeding, and these differences appear to relate to morphological variation. We developed a morphological model...