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Full-Text Articles in Psychology
Recently Integrated Alu Elements In Capuchin Monkeys: A Resource For Cebus/Sapajus Genomics, J. M. Storer, J. A. Walker, C. E. Rockwell, G. Mores, T. O. Beckstrom, J. D. Orkin, A. D. Melin, Kimberley A. Phillips, C. Roos, M. A. Batzer
Recently Integrated Alu Elements In Capuchin Monkeys: A Resource For Cebus/Sapajus Genomics, J. M. Storer, J. A. Walker, C. E. Rockwell, G. Mores, T. O. Beckstrom, J. D. Orkin, A. D. Melin, Kimberley A. Phillips, C. Roos, M. A. Batzer
Psychology Faculty Research
Capuchins are platyrrhines (monkeys found in the Americas) within the Cebidae fam-ily. For most of their taxonomic history, the two main morphological types of capuchins, gracile (untufted) and robust (tufted), were assigned to a single genus, Cebus. Further, all tufted capuchins were assigned to a single species, Cebus apella, despite broad geographic ranges spanning Central and northern South America. In 2012, tufted capuchins were assigned to their genus, Sapajus, with eight currently recognized species and five Cebus species, although these numbers are still under debate. Alu retrotransposons are a class of mobile element insertion (MEI) widely used …
Quantification Of Hair Cortisol Concentration In Common Marmosets (Callithrix Jacchus) And Tufted Capuchins (Cebus Apella), Kimberley A. Phillips, Alyson N. Tukan, Anna D. Rigodanzo, Ryan Reusch, K. M. Brasky, J. S. Meyer
Quantification Of Hair Cortisol Concentration In Common Marmosets (Callithrix Jacchus) And Tufted Capuchins (Cebus Apella), Kimberley A. Phillips, Alyson N. Tukan, Anna D. Rigodanzo, Ryan Reusch, K. M. Brasky, J. S. Meyer
Psychology Faculty Research
Quantifying cortisol concentration in hair is a non-invasive biomarker of long-term hypothalamic-pituitary-adrenal (HPA) activation, and thus can provide important information on laboratory animal health. Marmosets (Callithrix jacchus) and capuchins (Cebus apella) are New World primates increasingly used in biomedical and neuroscience research, yet published hair cortisol concentrations for these species are limited. Review of the existing published hair cortisol values from marmosets reveals highly discrepant values and the use of variable techniques for hair collection, processing, and cortisol extraction. In this investigation we utilized a well-established, standardized protocol to extract and quantify cortisol from marmoset ( …
Insightful Problem Solving And Emulation In Brown Capuchin Monkeys, E. Renner, Allison M. Abramo, M. K. Hambright, Kimberley A. Phillips
Insightful Problem Solving And Emulation In Brown Capuchin Monkeys, E. Renner, Allison M. Abramo, M. K. Hambright, Kimberley A. Phillips
Psychology Faculty Research
We investigated problem solving abilities of capuchin monkeys via the "floating object problem," a task in which the subject must use creative problem solving to retrieve a favored food item from the bottom of a clear tube. Some great apes have solved this problem by adding water to raise the object to a level at which it can be easily grabbed. We presented seven capuchins with the task over eight trials (four "dry" and four "wet"). None of the subjects solved the task, indicating that no capuchin demonstrated insightful problem solving under these experimental conditions. We then investigated whether capuchins …
Evidence Of A Conserved Molecular Response To Selection For Increased Brain Size In Primates, Amy M. Boddy, P. W. Harrison, S. H. Montgomery, J. A. Caravas, Mary Ann Raghanti, Kimberley A. Phillips, N. I. Mundy, Derek E. Wildman
Evidence Of A Conserved Molecular Response To Selection For Increased Brain Size In Primates, Amy M. Boddy, P. W. Harrison, S. H. Montgomery, J. A. Caravas, Mary Ann Raghanti, Kimberley A. Phillips, N. I. Mundy, Derek E. Wildman
Psychology Faculty Research
The adaptive significance of human brain evolution has been frequently studied through comparisons with other primates. However, the evolution of increased brain size is not restricted to the human lineage but is a general characteristic of primate evolution. Whether or not these independent episodes of increased brain size share a common genetic basis is unclear. We sequenced and de novo assembled the transcriptome from the neocortical tissue of the most highly encephalized nonhuman primate, the tufted capuchin monkey (Cebus apella). Using this novel data set, we conducted a genome-wide analysis of orthologous brain-expressed protein coding genes to identify …
Age-Related Differences In Corpus Callosum Area Of Capuchin Monkeys, Kimberley A. Phillips, Chet C. Sherwood
Age-Related Differences In Corpus Callosum Area Of Capuchin Monkeys, Kimberley A. Phillips, Chet C. Sherwood
Psychology Faculty Research
Capuchin monkeys (Cebus apella) are New World primates with relatively large brains for their body size. The developmental trajectories of several brain regions-including cortical white matter, frontal lobe white matter, and basal ganglia nuclei-are similar to humans. Additionally, capuchins have independently evolved several behavioral and anatomical characteristics in common with humans and chimpanzees-including complex manipulative abilities, use of tools, and the use of precision grips-making them interesting species for studies of comparative brain morphology and organization. Here, we report the first investigation into the development of the corpus callosum (CC) and its regional subdivisions in capuchins. CC development …
The Development Of The Basal Ganglia In Capuchin Monkeys (Cebus Apella), Kimberley A. Phillips, C. A. Sobieski, V. R. Gilbert, C. Chiappini-Williamson, Chet C. Sherwood, P. L. Strick
The Development Of The Basal Ganglia In Capuchin Monkeys (Cebus Apella), Kimberley A. Phillips, C. A. Sobieski, V. R. Gilbert, C. Chiappini-Williamson, Chet C. Sherwood, P. L. Strick
Psychology Faculty Research
The basal ganglia are subcortical structures involved in the planning, initiation and regulation of movement as well as a variety of non-motor, cognitive and affective functions. Capuchin monkeys share several important characteristics of development with humans, including a prolonged infancy and juvenile period, a long lifespan, and complex manipulative abilities. This makes capuchins important comparative models for understanding age-related neuroanatomical changes in these structures. Here we report developmental volumetric data on the three subdivisions of the basal ganglia, the caudate, putamen and globus pallidus in brown capuchin monkeys (Cebus apella). Based on a cross-sectional sample, we describe brain …