1
40
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Text
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URL Address
<a href="http://doi.org/10.1016/j.jhevol.2016.07.001" target="_blank" rel="noreferrer noopener">http://doi.org/10.1016/j.jhevol.2016.07.001</a>
Rights
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Pages
27-35
Volume
98
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Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Preference and consequences: A preliminary look at whether preference impacts oral processing in non-human primates
Publisher
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Journal of Human Evolution
Date
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2016
2016-09
Subject
The topic of the resource
Anthropology; bitter taste; cebus-apella; chewing behavior; electromyography; Evolutionary Biology; fallback foods; Feeding; Food mechanical properties; Food preference; hardness; mastication; mechanical properties; model foods; muscle; patterns; texture
Creator
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Vinyard C J; Thompson C L; Doherty A; Robl N
Description
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Non-human primates demonstrate food preferences much like humans. We have little insight, however, into how those preferences impact oral processing in primates. To begin describing this relationship, we conducted a preliminary analysis measuring food preference in two tufted capuchins (Cebus apella) and comparing ranked preference to physiological variables during chewing of these foods. Food preference was assessed for each monkey across 12 foods, including monkey biscuits and 11 foods consumed by humans (e.g., various fruits and nuts). Animals chose from randomized pairs of foods to generate a ranked scale across the 12 foods. Contemporaneous with preference testing, electromyographic (EMG) activity was measured for the jaw-closing muscles to assess oral physiology during chewing of these foods. As expected, these capuchins exhibited clear preferences among these 12 foods. Based on their preferences, we identified sets of preferred and non-preferred brittle (i.e., almond versus monkey chow) and ductile (i.e., dates and prunes versus apricots) foods for physiological comparisons that broadly control variation in food mechanical properties (FMPs). As expected, oral physiology varied with FMPs in each animal. Within brittle and ductile groupings, we observed several significant differences in chewing cycle length and relative muscle activation levels that are likely related to food preference. These differences tended to be complex and individual specific. The two capuchins chewed non-preferred apricots significantly faster than preferred dates and prunes. Effect sizes for preference were smaller than those for FMPs, supporting the previous focus on FMPs in primate dietary research. Although preliminary, these results suggest that food preference may influence oral physiology in non-human primates. The prospect that this relationship exists in monkeys raises the possibility that a link between food preference and oral processing in humans may be based on shared tendencies with non-human primates, such as aversion to bitter items or preference for sweet foods. (C) 2016 Elsevier Ltd. All rights reserved.
Identifier
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<a href="http://doi.org/10.1016/j.jhevol.2016.07.001" target="_blank" rel="noreferrer noopener">10.1016/j.jhevol.2016.07.001</a>
Format
The file format, physical medium, or dimensions of the resource
Journal Article
2016
Anthropology
bitter taste
cebus-apella
chewing behavior
Doherty A
Electromyography
Evolutionary Biology
fallback foods
Feeding
Food mechanical properties
Food preference
hardness
Journal Article
Journal of human evolution
Mastication
mechanical properties
model foods
Muscle
patterns
Robl N
texture
Thompson C L
Vinyard C J
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1242/jeb.062588" target="_blank" rel="noreferrer noopener">http://doi.org/10.1242/jeb.062588</a>
Rights
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Pages
480-496
Issue
3
Volume
215
Search for Full-text
Locate full-text within NEOMED Library's e-journal collections
<p>Users with a NEOMED Library login can search for full-text journal articles at the following url: <a href="https://libraryguides.neomed.edu/home">https://libraryguides.neomed.edu/home</a></p>
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Kinematics of quadrupedal locomotion in sugar gliders (Petaurus breviceps): effects of age and substrate size
Publisher
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Journal of Experimental Biology
Date
A point or period of time associated with an event in the lifecycle of the resource
2012
2012-02
Subject
The topic of the resource
arboreal locomotion; Arboreality; baboons papio-cynocephalus; cebus-apella; diagonal-sequence walking; Gait; Kinematics; Life Sciences & Biomedicine - Other Topics; life-history; limb mass-distribution; Marsupials; monkeys; monkeys saimiri-boliviensis; ontogeny; postnatal-development; Quadrupedalism; symmetrical gaits; vervet
Creator
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Shapiro L J; Young J W
Description
An account of the resource
Arboreal mammals face unique challenges to locomotor stability. This is particularly true with respect to juveniles, who must navigate substrates similar to those traversed by adults, despite a reduced body size and neuromuscular immaturity. Kinematic differences exhibited by juveniles and adults on a given arboreal substrate could therefore be due to differences in body size relative to substrate size, to differences in neuromuscular development, or to both. We tested the effects of relative body size and age on quadrupedal kinematics in a small arboreal marsupial (the sugar glider, Petaurus breviceps; body mass range of our sample 33-97 g). Juvenile and adult P. breviceps were filmed moving across a flat board and three poles 2.5, 1.0 and 0.5 cm in diameter. Sugar gliders (regardless of age or relative speed) responded to relative decreases in substrate diameter with kinematic adjustments that promote stability; they increased duty factor, increased the average number of supporting limbs during a stride, increased relative stride length and decreased relative stride frequency. Limb phase increased when moving from the flat board to the poles, but not among poles. Compared with adults, juveniles (regardless of relative body size or speed) used lower limb phases, more pronounced limb flexion, and enhanced stability with higher duty factors and a higher average number of supporting limbs during a stride. We conclude that although substrate variation in an arboreal environment presents similar challenges to all individuals, regardless of age or absolute body size, neuromuscular immaturity confers unique problems to growing animals, requiring kinematic compensation.
Identifier
An unambiguous reference to the resource within a given context
<a href="http://doi.org/10.1242/jeb.062588" target="_blank" rel="noreferrer noopener">10.1242/jeb.062588</a>
Format
The file format, physical medium, or dimensions of the resource
Journal Article
2012
arboreal locomotion
Arboreality
baboons papio-cynocephalus
cebus-apella
diagonal-sequence walking
Gait
Journal Article
Journal of Experimental Biology
Kinematics
Life Sciences & Biomedicine - Other Topics
life-history
limb mass-distribution
Marsupials
monkeys
monkeys saimiri-boliviensis
ontogeny
postnatal-development
quadrupedalism
Shapiro L J
symmetrical gaits
vervet
Young J W