In vivo bone strain and finite element modeling of a rhesus macaque mandible during mastication
Olga Panagiotopoulou,Olga Panagiotopoulou,Jose Iriarte-Diaz,Simon Wilshin,Paul C. Dechow,Andrea B. Taylor,Hyab Mehari Abraha,Sharifah F. Aljunid,Callum F. Ross +8 more
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TLDR
A subject-specific FEM of a rhesus macaque mandible was constructed, loaded and validated using in vivo data from the same animal, and the relative strain magnitudes were similar to those recorded in vivo for all strain locations.About:
This article is published in Zoology.The article was published on 2017-09-01 and is currently open access. It has received 26 citations till now.read more
Citations
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Journal ArticleDOI
Biomechanics of the mandible of Macaca mulatta during the power stroke of mastication: Loading, deformation, and strain regimes and the impact of food type
Olga Panagiotopoulou,Jose Iriarte-Diaz,Hyab Mehari Abraha,Andrea B. Taylor,Simon Wilshin,Paul C. Dechow,Callum F. Ross +6 more
TL;DR: A finite element model of a macaque mandible is used to test hypotheses about mandibular loading and strain regimes and relate variation in muscle activity during chewing on different foods to variation in strain regimes.
Journal ArticleDOI
Biting mechanics and niche separation in a specialized clade of primate seed predators.
TL;DR: It is found that pitheciines have higher biting leverage than Callicebus and are generally more resistant to masticatory strain, and feeding biomechanics in sympatric Pithecia and Chiropotes are consistent with data on food structural properties and observations of dietary niche separation, with the former being well-suited for the regular molar crushing of hard seeds and the latter better adapted for breaching hard fruits.
Book ChapterDOI
Evolution, Constraint, and Optimality in Primate Feeding Systems
Callum F. Ross,Jose Iriarte-Diaz +1 more
TL;DR: Evolutionary biomechanical studies of primate feeding systems have benefited from deployment of techniques for measurement of food material properties, digital collections of morphological and experimental data, comparative analyses of the effects of phylogeny, size, and shape, and computational modeling of bone function.
Posted ContentDOI
Intelligent Resolution: Integrating Cryo-EM with AI-driven Multi-resolution Simulations to Observe the SARS-CoV-2 Replication-Transcription Machinery in Action
Anda Trifan,Anda Trifan,Defne Gorgun,Defne Gorgun,Zongyi Li,Alexander Brace,Alexander Brace,Maxim Zvyagin,Heng Ma,Austin Clyde,Austin Clyde,David A Clark,Michael A. Salim,David J. Hardy,Tom Burnley,Lei Huang,John McCalpin,Murali Emani,Hyunseung Yoo,Junqi Yin,A. Tsaris,Vishal Subbiah,Jessica Liu,Noah Trebesch,Geoffrey Wells,Venkatesh Mysore,Tom Gibbs,James Phillips,Chakra Chennubhotla,Ian Foster,Ian Foster,Rick Stevens,Rick Stevens,Animashree Anandkumar,Animashree Anandkumar,Venkatram Vishwanath,John E. Stone,Emad Tajkhorshid,Sarah A. Harris,Arvind Ramanathan +39 more
TL;DR: In this paper, the authors developed an innovative workflow that bridges the gap between these resolutions, using mesoscale fluctuating finite element analysis (FFEA) continuum simulations and a hierarchy of AI-methods that continually learn and infer features for maintaining consistency between AAMD and FFEA simulations.
Journal ArticleDOI
Ultra-High-Field Diffusion Tensor Imaging Identifies Discrete Patterns of Concussive Injury in the Rodent Brain
Xuan Vinh To,Joseph Benetatos,Neha Soni,Dedao Liu,Hyab Mehari Abraha,Wenyi Yan,Olga Panagiotopoulou,Fatima A. Nasrallah +7 more
TL;DR: Evidence is provided that UHF-DTI combined with NODDI can detect concussions of variable intensities, which has significant implications for the diagnosis of concussion in humans.
References
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