Search Results - "Hopper, M."

Emulation, imitation, over-imitation and the scope of culture for child and chimpanzee by Whiten, Andrew, McGuigan, Nicola, Marshall-Pescini, Sarah, Hopper, Lydia M.

“…We describe our recent studies of imitation and cultural transmission in chimpanzees and children, which question late twentieth-century characterizations of…”
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Metabolite collision cross section prediction without energy-minimized structures by Soper-Hopper, M T, Vandegrift, J, Baker, E S, Fernández, F M

“…Matching experimental ion mobility-mass spectrometry data to computationally-generated collision cross section (CCS) values enables more confident metabolite…”
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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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Reconsidering coprophagy as an indicator of negative welfare for captive chimpanzees by Hopper, Lydia M., Freeman, Hani D., Ross, Stephen R.

“…•Following top–down methods, coprophagy is classified as an abnormal behaviour.•We recorded the behaviour of 60 zoo- and sanctuary-housed chimpanzees.•We used…”
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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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Social networks in primates: smart and tolerant species have more efficient networks by Pasquaretta, Cristian, Levé, Marine, Claidière, Nicolas, van de Waal, Erica, Whiten, Andrew, MacIntosh, Andrew J. J., Pelé, Marie, Bergstrom, Mackenzie L., Borgeaud, Christèle, Brosnan, Sarah F., Crofoot, Margaret C., Fedigan, Linda M., Fichtel, Claudia, Hopper, Lydia M., Mareno, Mary Catherine, Petit, Odile, Schnoell, Anna Viktoria, di Sorrentino, Eugenia Polizzi, Thierry, Bernard, Tiddi, Barbara, Sueur, Cédric

“…Network optimality has been described in genes, proteins and human communicative networks. In the latter, optimality leads to the efficient transmission of…”
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Defining complicated urinary tract infection and route of antibiotics in children presenting to the emergency department: a cohort study using the Melbourne RUPERT clinical score by Scanlan, Barry T, Ibrahim, Laila F, Babl, Franz E, Hopper, Sandy M, McNab, Sarah, Donath, Susan M, Davidson, Andrew, Bryant, Penelope A

“…ObjectivesMost children with uncomplicated urinary tract infections (UTI) can be managed with oral antibiotics. However, identifying those likely to fail oral…”
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An evaluation of thermal imaging as a welfare monitoring tool for captive chimpanzees by Ross, Stephen R., Lake, Benjamin R., Fultz, Amy, Hopper, Lydia M.

“…Among the growing list of novel tools with which to assess animal welfare is the use of thermal (infrared) imaging. The technology has already been utilized to…”
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Pharmacokinetic-pharmacodynamic correlation from mouse to human with pazopanib, a multikinase angiogenesis inhibitor with potent antitumor and antiangiogenic activity by Kumar, Rakesh, Knick, Victoria B, Rudolph, Sharon K, Johnson, Jennifer H, Crosby, Renae M, Crouthamel, Ming-Chih, Hopper, Teresa M, Miller, Charles G, Harrington, Laura E, Onori, James A, Mullin, Robert J, Gilmer, Tona M, Truesdale, Anne T, Epperly, Andrea H, Boloor, Amogh, Stafford, Jeffrey A, Luttrell, Deirdre K, Cheung, Mui

“…With the development of targeted therapeutics, especially for small-molecule inhibitors, it is important to understand whether the observed in vivo efficacy…”
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Studying primate cognition in a social setting to improve validity and welfare: a literature review highlighting successful approaches by Cronin, Katherine A, Jacobson, Sarah L, Bonnie, Kristin E, Hopper, Lydia M

“…Studying animal cognition in a social setting is associated with practical and statistical challenges. However, conducting cognitive research without…”
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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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Evaluating the Behavior and Temperament of African Penguins in a Non-Contact Animal Encounter Program by Saiyed, Sana T, Hopper, Lydia M, Cronin, Katherine A

“…Animal ambassador programs are increasingly prevalent in zoos, yet few studies have investigated their impact on animal welfare. We assessed the effects of an…”
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Short-term adverse event rates and risk factors following total elbow arthroplasty for fracture and arthropathy: a matched analysis of nationally representative data by Kiritsis, Nicholas R, Savsani, Kush, Hopper, Haleigh M, O'Neill, Conor N, Satalich, James R, Edge, Carl, Vanderbeck, Jennifer L

“…Background Total elbow arthroplasty (TEA) is a mainstay treatment for elbow arthropathy and elbow fracture that can relieve pain and restore functional motion…”
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Observational learning in chimpanzees and children studied through ‘ghost’ conditions by Hopper, Lydia M, Lambeth, Susan P, Schapiro, Steven J, Whiten, Andrew

“…Emulation has been distinguished from imitation as a form of observational learning because it focuses not on the model's actions but on the action's…”
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Behavioral research as physical enrichment for captive chimpanzees by Hopper, Lydia M., Shender, Marisa A., Ross, Stephen R.

“…In this study, we evaluated the potential for a behavioral research study, designed to evaluate chimpanzee decision‐making behavior, to also encourage…”
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Hardly habitual: chimpanzees and gorillas show flexibility in their motor responses when presented with a causally-clear task by Jacobson, Sarah L, Hopper, Lydia M

“…In contrast to reports of wild primates, studies of captive primates' flexibility often reveal conservatism: individuals are unable to switch to new and more…”
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Risk factors for pancreatitis in older women: the Iowa Women's Health Study by Prizment, Anna E., PhD, MPH, Jensen, Eric H., MD, Hopper, Anne M., MPH, Virnig, Beth A., PhD, Anderson, Kristin E., PhD, MPH

“…Abstract Purpose Pancreatitis—an inflammation of pancreas—is a severe and costly disease. Although many risk factors for pancreatitis are known, many…”
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Influence of personality, age, sex, and estrous state on chimpanzee problem-solving success by Hopper, Lydia M., Price, Sara A., Freeman, Hani D., Lambeth, Susan P., Schapiro, Steven J., Kendal, Rachel L.

“…Despite the importance of individual problem solvers for group- and individual-level fitness, the correlates of individual problem-solving success are still an…”
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Social Models Enhance Apes’ Memory for Novel Events by Howard, Lauren H., Wagner, Katherine E., Woodward, Amanda L., Ross, Stephen R., Hopper, Lydia M.

“…Nonhuman primates are more likely to learn from the actions of a social model than a non-social “ghost display”, however the mechanism underlying this effect…”
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A Comparative Perspective on Three Primate Species' Responses to a Pictorial Emotional Stroop Task by Hopper, Lydia M, Allritz, Matthias, Egelkamp, Crystal L, Huskisson, Sarah M, Jacobson, Sarah L, Leinwand, Jesse G, Ross, Stephen R

“…The Stroop effect describes interference in cognitive processing due to competing cognitive demands. Presenting emotionally laden stimuli creates similar…”
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