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Articles 1 - 9 of 9
Full-Text Articles in Psychology
Learned Recognition And Avoidance Of Invasive Mosquitofish By The Shrimp, Paratya Australiensis, Joshua D. Bool, Kristen Whitcomb, Erin Kydd, Culum Brown
Learned Recognition And Avoidance Of Invasive Mosquitofish By The Shrimp, Paratya Australiensis, Joshua D. Bool, Kristen Whitcomb, Erin Kydd, Culum Brown
Sentience Collection
Little is known about the learning ability of crustaceans, especially with respect to their anti-predator responses to invasive species. In many vertebrates, anti-predator behaviour is influenced by experience during ontogeny. Here, predator-naïve glass shrimp (Paratya australiensisis) were exposed to a predatory, invasive fish species, Gambusia holbrooki, to determine whether shrimp could learn to: (1) avoid the scent of Gambusia via classical conditioning; and (2) restrict their activity patterns to the night to reduce predatory encounters. Conditioned shrimp were placed in containers in aquaria containing Gambusia for 3 days during which time they could be harassed but not consumed by Gambusia. …
Picture Recognition Of Food By Macaques (Macaca Silenus), Peter G. Judge
Picture Recognition Of Food By Macaques (Macaca Silenus), Peter G. Judge
Faculty Journal Articles
Pictorial representations of three-dimensional objects are often used to investigate animal cognitive abilities; however, investigators rarely evaluate whether the animals conceptualize the two-dimensional image as the object it is intended to represent. We tested for picture recognition in lion-tailed macaques by presenting five monkeys with digitized images of familiar foods on a touch screen. Monkeys viewed images of two different foods and learned that they would receive a piece of the one they touched first. After demonstrating that they would reliably select images of their preferred foods on one set of foods, animals were transferred to images of a second …
Assortative Mating In Fallow Deer Reduces The Strength Of Sexual Selection, Mary E. Farrell, Elodie Briefer, Alan G. Mcelligott
Assortative Mating In Fallow Deer Reduces The Strength Of Sexual Selection, Mary E. Farrell, Elodie Briefer, Alan G. Mcelligott
Veterinary Science and Medicine Collection
Background: Assortative mating can help explain how genetic variation for male quality is maintained even in highly polygynous species. Here, we present a longitudinal study examining how female and male ages, as well as male social dominance, affect assortative mating in fallow deer (Dama dama) over 10 years. Assortative mating could help explain the substantial proportion of females that do not mate with prime-aged, high ranking males, despite very high mating skew. We investigated the temporal pattern of female and male matings, and the relationship between female age and the age and dominance of their mates.
Results: The peak of …
Passing Pains: Revenge, Retaliation, And Redirected Aggression In A New Light, Lixing Sun
Passing Pains: Revenge, Retaliation, And Redirected Aggression In A New Light, Lixing Sun
Biology Faculty Scholarship
A review of David P. Barash and Judith Eve Lipton, Payback: Why We Retaliate, Redirect Aggression, and Take Revenge, Oxford University Press: New York, 2011, 209 pp., US$24.95, ISBN 019539514X (hardcover).
Signs Of Mood And Anxiety Disorders In Chimpanzees, Hope Ferdowsian, Debra Durham, Charles Kimwele, Godelieve Kranendonk, Emily Otali, Timothy Akugizibwe, J. B. Mulcahy, Lilly Ajarova, Cassie Meré Johnson
Signs Of Mood And Anxiety Disorders In Chimpanzees, Hope Ferdowsian, Debra Durham, Charles Kimwele, Godelieve Kranendonk, Emily Otali, Timothy Akugizibwe, J. B. Mulcahy, Lilly Ajarova, Cassie Meré Johnson
Sentience Collection
Background: In humans, traumatic experiences are sometimes followed by psychiatric disorders. In chimpanzees, studies have demonstrated an association between traumatic events and the emergence of behavioral disturbances resembling posttraumatic stress disorder (PTSD) and depression. We addressed the following central question: Do chimpanzees develop posttraumatic symptoms, in the form of abnormal behaviors, which cluster into syndromes similar to those described in human mood and anxiety disorders?
Methodology/Principal Findings: In phase 1 of this study, we accessed case reports of chimpanzees who had been reportedly subjected to traumatic events, such as maternal separation, social isolation, experimentation, or similar experiences. We applied and …
Qualitative Behavioural Assessment And Quantitative Physiological Measurement Of Cattle Naïve And Habituated To Road Transport, C. A. Stockman, T. Collins, A. L. Barnes, D. Miller, S. L. Wickham, D. T. Beatty, D. Blache, F. Wemelsfelder, P. A. Fleming
Qualitative Behavioural Assessment And Quantitative Physiological Measurement Of Cattle Naïve And Habituated To Road Transport, C. A. Stockman, T. Collins, A. L. Barnes, D. Miller, S. L. Wickham, D. T. Beatty, D. Blache, F. Wemelsfelder, P. A. Fleming
Veterinary Science and Medicine Collection
The present study examined whether observers could distinguish between cattle that are naïve to road transport and the same cattle after becoming more habituated to transport. The behavioural expression of cattle was assessed through the method of qualitative behavioural assessment (QBA), and these assessments were correlated with various physiological parameters. Fourteen Angus steers were assessed during their first road trip and then again on their ninth trip, 15 days later. Blood samples were collected immediately before and after transport, and heart rate and core body temperature were measured continuously throughout each trip. Video footage recorded during each trip was edited …
An Evolutionary Psychology Perspective On Responsibility Attributions For Infidelity And Relationship Dissolution, Kindra Lynn Edmonson
An Evolutionary Psychology Perspective On Responsibility Attributions For Infidelity And Relationship Dissolution, Kindra Lynn Edmonson
Theses Digitization Project
This study investigated responsibility attributions for a partner's emotional infidelity and for a partner's sexual infidelity, and the likelyhood that the victim or partner would end the relationship. This study found a significant relationship between responsibility attributions for a romantic partner's unfaithfulness and the likelihood the relationship would end: the stronger the attributions of personal responsibility the more likely the relationship would dissolve.
Mechanisms For Decisions About The Future, Jeffrey R. Stevens
Mechanisms For Decisions About The Future, Jeffrey R. Stevens
Jeffrey Stevens Publications
Evolutionary and psychological perspectives on decision making remain largely separate endeavors. The bounded rationality approach integrates these two perspectives by focusing on simple, plausible mechanisms of decision making and the cognitive capacities needed to implement these mechanisms. Decisions about the future provide a class of decisions that lend themselves to a bounded rationality approach. Though many different mechanisms may exist for making decisions about the future, only a subset of these mechanisms actually require a representation of the future. The bounded rationality approach helps focus on the cognitive capacities and decision mechanisms that are necessary for a full understanding of …
Parental Precaution: Neurobiological Means And Adaptive Ends, Jennifer Hahn-Holbrook, Colin Holbrook, Martie G. Haselton
Parental Precaution: Neurobiological Means And Adaptive Ends, Jennifer Hahn-Holbrook, Colin Holbrook, Martie G. Haselton
Psychology Faculty Articles and Research
Humans invest precious reproductive resources in just a few offspring, who remain vulnerable for an extended period of their lifetimes relative to other primates. Therefore, it is likely that humans evolved a rich precautionary psychology that assists in the formidable task of protecting offspring. In this review, we integrate precautionary behaviors during pregnancy and postpartum with the adaptive functions they may serve and what is known of their biological mediators, particularly brain systems motivating security and attachment. We highlight the role of reproductive hormones in (i) priming parental affiliation with young to incentivize offspring protection, (ii) focusing parental attention on …