Search Results - "Schapiro, Steven J."

Relaxed genetic control of cortical organization in human brains compared with chimpanzees by Gómez-Robles, Aida, Hopkins, William D., Schapiro, Steven J., Sherwood, Chet C.

“…The study of hominin brain evolution has focused largely on the neocortical expansion and reorganization undergone by humans as inferred fromthe endocranial…”
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Chimpanzee (Pan troglodytes) gaze is conspicuous at ecologically-relevant distances by Whitham, Will, Schapiro, Steven J., Troscianko, Jolyon, Yorzinski, Jessica L.

“…Chimpanzee ( Pan troglodytes ) sclera appear much darker than the white sclera of human eyes, to such a degree that the direction of chimpanzee gaze may be…”
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Chimpanzees copy dominant and knowledgeable individuals: implications for cultural diversity by Kendal, Rachel, Hopper, Lydia M, Whiten, Andrew, Brosnan, Sarah F, Lambeth, Susan P, Schapiro, Steven J, Hoppitt, Will

“…Abstract Evolutionary theory predicts that natural selection will fashion cognitive biases to guide when, and from whom, individuals acquire social…”
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Prolonged myelination in human neocortical evolution by Miller, Daniel J, Duka, Tetyana, Stimpson, Cheryl D, Schapiro, Steven J, Baze, Wallace B, McArthur, Mark J, Fobbs, Archibald J, Sousa, André M. M, Šestan, Nenad, Wildman, Derek E, Lipovich, Leonard, Kuzawa, Christopher W, Hof, Patrick R, Sherwood, Chet C

“…Nerve myelination facilitates saltatory action potential conduction and exhibits spatiotemporal variation during development associated with the acquisition of…”
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Transmission of Multiple Traditions within and between Chimpanzee Groups by Whiten, Andrew, Spiteri, Antoine, Horner, Victoria, Bonnie, Kristin E., Lambeth, Susan P., Schapiro, Steven J., de Waal, Frans B.M.

“…Field reports provide increasing evidence for local behavioral traditions among fish, birds, and mammals [1–7]. These findings are significant for evolutionary…”
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Innovative multi-material tool use in the pant-hoot display of a chimpanzee by Watson, Stuart K., Lambeth, Susan P., Schapiro, Steven J.

“…‘Pant-hoot displays’ are a species-typical, multi-modal communicative behaviour in chimpanzees in which pant-hoot vocalisations are combined with varied…”
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Heritability of Gray Matter Structural Covariation and Tool Use Skills in Chimpanzees (Pan troglodytes): A Source-Based Morphometry and Quantitative Genetic Analysis by Hopkins, William D, Latzman, Robert D, Mareno, Mary Catherine, Schapiro, Steven J, Gómez-Robles, Aida, Sherwood, Chet C

“…Nonhuman primates, and great apes in particular, possess a variety of cognitive abilities thought to underlie human brain and cognitive evolution, most…”
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Neuroanatomical correlates of individual differences in the object choice task in chimpanzees ( Pan troglodytes ) by Hopkins, William D, Mulholland, Michele M, Mareno, Mary Catherine, Webb, Sarah J Neal, Schapiro, Steven J

“…Declarative and imperative joint attention or joint engagement are important milestones in human infant development. These have been shown to be a significant…”
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Age‐ and cognition‐related differences in the gray matter volume of the chimpanzee brain (Pan troglodytes): A voxel‐based morphometry and conjunction analysis by Mulholland, Michele M., Sherwood, Chet C., Schapiro, Steven J., Raghanti, Mary Ann, Hopkins, William D.

“…Several primate species have been shown to exhibit age‐related changes in cognition, brain, and behavior. However, severe neurodegenerative illnesses, such as…”
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Effects of transportation, relocation, and acclimation on phenotypes and functional characteristics of peripheral blood lymphocytes in rhesus monkeys (Macaca mulatta) by Nehete, Pramod N, Shelton, Kathryn A, Nehete, Bharti P, Chitta, Sriram, Williams, Lawrence E, Schapiro, Steven J, Abee, Christian R

“…Nonhuman primates from domestic sources constitute a small, but critical, proportion of animals studied in research laboratories. Many of these nonhuman…”
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Chimpanzees’ socially maintained food preferences indicate both conservatism and conformity by Hopper, Lydia M., Schapiro, Steven J., Lambeth, Susan P., Brosnan, Sarah F.

“…Chimpanzees remain fixed on a single strategy, even if a novel, more efficient, strategy is introduced. Previous studies reporting such findings have…”
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Neutrophil to Lymphocyte Ratio (NLR) in captive chimpanzees (Pan troglodytes): The effects of sex, age, and rearing by Neal Webb, Sarah J, Schapiro, Steven J, Sherwood, Chet C, Raghanti, Mary Ann, Hopkins, William D

“…In humans, neutrophil to lymphocyte ratio (NLR) has been used as a clinical tool in diagnosis and/or prognosis of a variety of cancers and medical conditions,…”
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The Contribution of Genetics and Early Rearing Experiences to Hierarchical Personality Dimensions in Chimpanzees (Pan troglodytes) by Latzman, Robert D, Freeman, Hani D, Schapiro, Steven J, Hopkins, William D

“…A reliable literature finds that traits are related to each other in an organized hierarchy encompassing various conceptualizations of personality (e.g., Big…”
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Chimpanzee brain morphometry utilizing standardized MRI preprocessing and macroanatomical annotations by Vickery, Sam, Hopkins, William D, Sherwood, Chet C, Schapiro, Steven J, Latzman, Robert D, Caspers, Svenja, Gaser, Christian, Eickhoff, Simon B, Dahnke, Robert, Hoffstaedter, Felix

“…Chimpanzees are among the closest living relatives to humans and, as such, provide a crucial comparative model for investigating primate brain evolution. In…”
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Does group size matter? Captive chimpanzee (Pan troglodytes) behavior as a function of group size and composition by Neal Webb, Sarah J., Hau, Jann, Schapiro, Steven J.

“…The National Institutes of Health and the Association of Zoos and Aquariums recommend that captive chimpanzees be housed in multi‐male, multi‐female,…”
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Longitudinal Baboon ( Papio anubis ) Neutrophil to Lymphocyte Ratio (NLR), and Correlations with Monthly Sedation Rate and Within-Group Sedation Order by Neal, Sarah J, Schapiro, Steven J, Magden, Elizabeth R

“…Neutrophil to lymphocyte ratio (NLR) is a simple marker of stress and inflammation, but there is limited research regarding NLR in nonhuman primates (NHPs),…”
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Are conspecific social videos rewarding to chimpanzees (Pan troglodytes)? A test of the social motivation theory by Mulholland, Michele M, Neal Webb, Sarah J, Mareno, Mary Catherine, Schweller, Kenneth G, Schapiro, Steven J, Hopkins, William D

“…Many claim that social stimuli are rewarding to primates, but few, if any, studies have explicitly demonstrated their reward value. Here, we examined whether…”
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Synaptogenesis and development of pyramidal neuron dendritic morphology in the chimpanzee neocortex resembles humans by Bianchi, Serena, Stimpson, Cheryl D., Duka, Tetyana, Larsen, Michael D., Janssen, William G. M., Collins, Zachary, Bauernfeind, Amy L., Schapiro, Steven J., Baze, Wallace B., McArthur, Mark J., Hopkins, William D., Wildman, Derek E., Lipovich, Leonard, Kuzawa, Christopher W., Jacobs, Bob, Hof, Patrick R., Sherwood, Chet C.

“…Neocortical development in humans is characterized by an extended period of synaptic proliferation that peaks in mid-childhood, with subsequent pruning through…”
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Chimpanzee Extraversion scores vary with epigenetic modification of dopamine receptor gene D2 (DRD2) and early rearing conditions by Staes, Nicky, White, Cassandra M., Guevara, Elaine E, Eens, Marcel, Hopkins, William D., Schapiro, Steven J., Stevens, Jeroen M.G., Sherwood, Chet C., Bradley, Brenda J

“…Chimpanzees have consistent individual differences in behaviour, also referred to as personality. Similar to human personality structure, five dimensions are…”
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Developing a comprehensive and comparative questionnaire for measuring personality in chimpanzees using a simultaneous top-down/bottom-up design by Freeman, Hani D., Brosnan, Sarah F., Hopper, Lydia M., Lambeth, Susan P., Schapiro, Steven J., Gosling, Samuel D.

“…One effective method for measuring personality in primates is to use personality trait ratings to distill the experience of people familiar with the individual…”
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