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Articles 1111 - 1140 of 2919
Full-Text Articles in Psychology
Neural Circuits Underlying Rodent Sociality: A Comparative Approach, Nicole S. Lee, Annaliese K. Beery
Neural Circuits Underlying Rodent Sociality: A Comparative Approach, Nicole S. Lee, Annaliese K. Beery
Neuroscience: Faculty Publications
All mammals begin life in social groups, but for some species, social relationships persist and develop throughout the course of an individual’s life. Research in multiple rodent species provides evidence of relatively conserved circuitry underlying social behaviors and processes such as social recognition and memory, social reward, and social approach/avoidance. Species exhibiting different complex social behaviors and social systems (such as social monogamy or familiarity preferences) can be characterized in part by when and how they display specific social behaviors. Prairie and meadow voles are closely related species that exhibit similarly selective peer preferences but different mating systems, aiding direct …
Preparation Of A Perylenebisimide Acceptor With Serinol And Nonadecyl-Swallowtail Imides For Use In Molecular Rectification, Tarrah Frederick
Preparation Of A Perylenebisimide Acceptor With Serinol And Nonadecyl-Swallowtail Imides For Use In Molecular Rectification, Tarrah Frederick
Honors Theses
Several attempts were made to add 2-amino-1,3-propanediol to the acceptor perylene monoanhydride (PMA). The theoretical product, N-(10-nonadecyl)-N'-(1,3-dihydroxypropan-2-yl)perylene-3,4,9,10-bis(dicarboximide), is intended for use in unimolecular rectification because the perylenebisimide core is classified as a good acceptor due to its high electron affinity. Rectification usually utilizes donor-σ-acceptor molecules, whose localized orbitals permit electron transfer when placed between metal electrodes of asymmetric voltages. However, according to an “asymmetric rectification” analysis, an electron can pass from one electrode, through the LUMO of the acceptor, and then to the other electrode when said electrodes are held at certain voltages, and result in rectification if the acceptor …
Domestication And Cognitive Complexity, David R. Brodbeck, Madeleine I. R. Brodbeck, Keeghan Rosso
Domestication And Cognitive Complexity, David R. Brodbeck, Madeleine I. R. Brodbeck, Keeghan Rosso
Animal Sentience
Marino and Merskin (2019) list a number of tasks that sheep can perform well. As comparative psychologists, we are not surprised by these results. Indeed, many domesticated animal species show similar abilities.
Just Policy Paralysis?, Clare Palmer, Bob Fischer
Just Policy Paralysis?, Clare Palmer, Bob Fischer
Animal Sentience
Treves et al. (2019) argue that policy making should include the interests and well-being of present and future generations of humans and nonhumans. There are deep and abiding conflicts of interest both between and within these groups. Trying to factor in so many considerations is likely to generate political gridlock. The authors need to explain how to avoid this.
Guilty As Charged, Sergio M. Pellis
Guilty As Charged, Sergio M. Pellis
Animal Sentience
Sheep have had a bad rap with regard to their behavioral capabilities, and to a large extent, that negative view of sheep has arisen from our failure as human observers to view the world from the perspective of the sheep themselves. Studies sensitive to what sheep identify as of value in the world have revealed a different picture: sheep have cognitive, emotional and social complexity beyond our crude stereotype. Clearly, what we need to do is to evaluate non-human animals on their own terms and not as a reflection of ourselves.
The Perfecting Of The Octopus, Ila France Porcher
The Perfecting Of The Octopus, Ila France Porcher
Animal Sentience
Cephalopods split away from the phylogenetic tree about half a billion years ago, and octopus evolution has been accelerated by an extremely low survival rate. This helps explain why this unusual animal presents qualities found in no other. It has a radially organized nervous system with a processing centre for each of its eight tentacles. Yet, although this might suggest that each tentacle has its own centre of consciousness, it remains just one animal, with one mouth to feed, and one life to lose, and it behaves as if it is centrally controlled. Its capacity for a range of intelligent …
Behavioral Impairment Following Gestational Exposure To Titanium Dioxide Nanomaterial Aerosols In Male And Female Rats, Matthew Leland Eckard
Behavioral Impairment Following Gestational Exposure To Titanium Dioxide Nanomaterial Aerosols In Male And Female Rats, Matthew Leland Eckard
Graduate Theses, Dissertations, and Problem Reports (ETD)
Engineered nanomaterials (ENMs) are beginning to be recognized as hazardous to human and animal health. Titanium dioxide (TiO2) is primarily used as a whitening agent in paints, plastics, and sunscreens. While relatively inert in its bulk form, nano-TiO2 (diameter) can produce prolonged inflammation and oxidative stress in target tissue. Recently, the potential for nano-TiO2 to cause neuroinflammation and damage has heightened concerns about its continued use. One important concern is that nano-TiO2, and other metal oxide ENMs, may affect fetal neurodevelopment. Accordingly, it is imperative to screen ENMs, like TiO2, for possible neurotoxicity following developmental exposures. The current set of …
A Hybrid Cognitive Architecture With Primal Affect And Physiology, Christopher L. Dancy
A Hybrid Cognitive Architecture With Primal Affect And Physiology, Christopher L. Dancy
Faculty Journal Articles
Though computational cognitive architectures have been used to study several processes associated with human behavior, the study of integration of affect and emotion in these processes has been relatively sparse. Theory from affective science and affective neuroscience can be used to systematically integrate affect into cognitive architectures, particularly in areas where cognitive system behavior is known to be associated with physiological structure and behavior. I introduce a unified theory and model of human behavior that integrates physiology and primal affect with cognitive processes in a cognitive architecture. This new architecture gives a more tractable, mechanistic way to simulate affect-cognition interactions …
No Evidence That Portion Size Influences Food Consumption In Male Sprague Dawley Rats, Fabien Naniex, Sophie C. Pinder, Megan Y. Summers, Renee M. Rouleau, Eric Robinson, Kevin P. Myers, James E. Mccutcheon
No Evidence That Portion Size Influences Food Consumption In Male Sprague Dawley Rats, Fabien Naniex, Sophie C. Pinder, Megan Y. Summers, Renee M. Rouleau, Eric Robinson, Kevin P. Myers, James E. Mccutcheon
Faculty Journal Articles
In studies of eating behavior that have been conducted in humans, the tendency to consume more when given larger portions of food, known as the portion size effect (PSE), is one of the most robust and widely replicated findings. Despite this, the mechanisms that underpin it are still unknown. In particular, it is unclear whether the PSE arises from higher-order social and cognitive processes that are unique to humans or, instead, reflects more fundamental processes that drive feeding, such as conditioned food-seeking. Importantly, studies in rodents and other animals have yet to show convincing evidence of a PSE. In this …
Relations Among Maternal And Paternal Behavior And Children's Stress Biology, S.K. Jiaming Lin, Stacey N. Doan, John Milton
Relations Among Maternal And Paternal Behavior And Children's Stress Biology, S.K. Jiaming Lin, Stacey N. Doan, John Milton
Scripps Senior Theses
Parenting behavior has been shown to have a wide range of effects, influencing children’s psychological and biological stress outcomes. Most research focuses on maternal parenting behaviors, with few studies observing the effects of paternal behaviors or the influence of both parents on their children. In this study, the relationship between maternal and paternal parenting behaviors was examined in its association to predict children’s cortisol levels. Cultural differences in parenting styles was also observed. American (N=86) and Chinese (N=97) families participated in the study, with parents reporting their behaviors. Children’s cortisol was collected during a stressor task and correlational analysis was …
The Language Content Of Computer-Mediated Versus Face-To-Face Motivational-Type Interviews, Karla Deyanira Llanes
The Language Content Of Computer-Mediated Versus Face-To-Face Motivational-Type Interviews, Karla Deyanira Llanes
Open Access Theses & Dissertations
Motivational Interviewing (MI) is an extensively used technique to facilitate behavior change by increasing a person's own motivation and commitment toward change. Recently, several innovative and effective ways to conduct motivational interviews have emerged. However, one potential option has not been investigated: the utility of conducting a motivational interview via computer. The current study begins to address this gap in knowledge by comparing the language content of computer-mediated motivational-type interviews and face-to-face motivational-type interviews. The motivational-type interviews were conducted with young adults who reported ambivalence about their level of recreational marijuana use. Specifically, non-marijuana users, occasional marijuana users, and frequent …
Cognitive Impacts Of Age Based Stereotype Threat In Older Adults, Cali Caughie
Cognitive Impacts Of Age Based Stereotype Threat In Older Adults, Cali Caughie
Graduate Student Theses, Dissertations, & Professional Papers
The present study examined the effects of age-based stereotype threat (ABST) exposure on cognitive performance in older adults. Forty-nine community volunteers age 65 and older were stratified by age and gender and then randomly assigned to either an ABST group or a Control group. The ABST group read a paragraph describing the expected negative effects of age on cognition and the prevalence of Alzheimer’s disease in older adults. Participants in the Control group read a neutral paragraph of similar length and difficulty. It was hypothesized that individuals in the ABST group would perform worse on neuropsychological testing than individuals in …
The Ingenuity Of Cephalopods, Angel Guerra
The Ingenuity Of Cephalopods, Angel Guerra
Animal Sentience
I present a brief overview of the richness of cephalopod behavioral, neural and cognitive traits.
The Octopus: A Beautiful (But Disorganized) “Mind”, Jon Mallatt
The Octopus: A Beautiful (But Disorganized) “Mind”, Jon Mallatt
Animal Sentience
Mather (2019) presents convincing evidence that octopuses have minds, but in the first 85% of the target article, the evidence does not come through very clearly because it is hidden by other information and by problems with the paper’s organization. I propose ways to build a tighter argument in the author’s Response to the Commentaries.
Reconciling Just Preservation, Shelley M. Alexander
Reconciling Just Preservation, Shelley M. Alexander
Animal Sentience
Treves et al.’s target article can play an important role in reconciling the needs of future generations and non-human animals in conservation. Human capacities are adequate for interpreting and defining many non-human animal needs. Worldviews are more complex, however, and conservation science, like the target article itself, suffers from a lack of diversity and inclusiveness. This may pose practical impediments to realizing just preservation.
Smart Sheep Need More Protection, Michael L. Woodruff
Smart Sheep Need More Protection, Michael L. Woodruff
Animal Sentience
The target article unequivocally establishes that sheep are far more intelligent and cognitively sophisticated than is generally acknowledged. For this reason, the authors advocate for significantly more stringent regulation of agricultural and research practices when sheep are used. I briefly review the existing US regulations governing the use of sheep in research and discuss the extent to which they are applied to sheep. I then discuss weaknesses in the current regulations, concluding that they should be changed to mandate housing all research animals in environments that accommodate the psychosocial needs of each species.
The Mental Lives Of Sheep And The Quest For A Psychological Taxonomy, Carrie Figdor
The Mental Lives Of Sheep And The Quest For A Psychological Taxonomy, Carrie Figdor
Animal Sentience
Research into nonhuman cognition has broadened and deepened in recent years. It supports and motivates a shift toward an ecological rather than an anthropocentric approach to cognition.
Applied Cognition Research To Improve Sheep Welfare, Kristina Horback
Applied Cognition Research To Improve Sheep Welfare, Kristina Horback
Animal Sentience
If a change is going to occur in the care and management of domestic sheep, there needs to be a collaborative effort across many disciplines. This review by Marino & Merskin of the literature on cognitive processing in domestic sheep is limited by the inherent bias of the authors, including the impracticable goal of eliminating sheep production. Animal welfare concerns about the management of commercial sheep are valid; however, in order to make a difference, we need to develop an application for this knowledge about cognitive abilities in sheep.
Debunking Human Prejudice And Blindness, Peter J. Li
Debunking Human Prejudice And Blindness, Peter J. Li
Animal Sentience
Human prejudice and blindness to animal suffering are shocking. Despite their differences in culture, politics, and religious beliefs, humans have one thing in common. They see nonhuman animals as inferior and have since time immemorial assumed a dominant position in an asymmetrical human-animal relationship. When it comes to human-animal relations, there is no “clash of civilizations.” Human prejudice and blindness are predicated on “common sense assumptions” about the natural world and nonhuman animals in particular. Marino & Merskin’s review is part of the growing effort to debunk the assumptions that have shaped human actions so as to end the injustice …
Farm Animals Are Not Humans In Sheep Clothing, Lorenz Gygax, Christian Nawroth
Farm Animals Are Not Humans In Sheep Clothing, Lorenz Gygax, Christian Nawroth
Animal Sentience
Research on the mental lives of farm animals is crucial to assess not only their physical but also their psychological wellbeing. Their current housing and handling practices are highly unlikely to meet their cognitive needs and demands, but our knowledge of their mental capacities is still limited. Although folk wisdom often refers to farm animals as dull and inflexible, recent studies show they have a rich interpretation of their environment and can solve complex problems. Yet an uncritical and anthropomorphic assessment of farm animal cognition and behaviour may lead to the attribution of an exaggerated amount of cognitive flexibility. Contrary …
What Every Shepherd Knows, Marthe Kiley-Worthington
What Every Shepherd Knows, Marthe Kiley-Worthington
Animal Sentience
The findings of the research reviewed by Marino & Merskin have been common knowledge to shepherds for millennia. Many of them are also evolutionary necessities for all mammals, especially social ones.
The Intelligence Of Sheep, David Gamez
The Intelligence Of Sheep, David Gamez
Animal Sentience
This commentary suggests how recent theories about the predictive brain could help us understand the evidence put forward by Marino & Merskin for intelligence in sheep. I contrast predictive intelligence in sheep with automatic behaviors that do not require intelligence, and I consider the flexibility of sheep intelligence.
The Importance Of Research Applicability, Krista Mclennan
The Importance Of Research Applicability, Krista Mclennan
Animal Sentience
Marino & Merskin’s (2019) review contains key information about the complexity of sheep and their intelligence level, but lacks practical application. The key to making any long-term changes to sheep welfare at an industry level is by generating research that is practically relevant to the sector. The practical application of research should be considered at the design stage and in consultation with producers. Additionally, thought needs to be given to how the practical application of the research will be transferred to those people directly involved in animal care (e.g., producers, stockpersons, etc.). Focusing on the practical relevance and application of …
The Problem Is Not Discourses Of Production; It Is Production Itself, Sean Hermanson
The Problem Is Not Discourses Of Production; It Is Production Itself, Sean Hermanson
Animal Sentience
The mistreatment of sheep is not because of fables, stereotypes, unconscious cultural paradigms, our collective consciousness, anthropocentricism, human arrogance, or our drive to dominate. Nonetheless, protections for sheep used in research and agriculture ought to be strengthened.
Cognitive Dissonance About Sheep Cognition And Consumption, Catia Correia Caeiro
Cognitive Dissonance About Sheep Cognition And Consumption, Catia Correia Caeiro
Animal Sentience
Sheep are perceived as mere resources under the massive demand of the food and wool industry. Evidence that sheep cognition is comparable to that of other species may inspire reflection on sheep consumption. Dogs may be a promising comparison species.
Social Cognition In Sheep: Welfare Implications, Keith M. Kendrick
Social Cognition In Sheep: Welfare Implications, Keith M. Kendrick
Animal Sentience
More research has been carried out on social cognition in sheep than in other farm animal species. Although this has often been featured widely in the media, there is still limited public awareness of it. Marino & Merskin’s review is therefore both important and timely. In my commentary, I focus primarily on what has been established about the complexity of sheep social cognition, at the level of both brain and behavior, and on some of these findings for sheep welfare.
Animal Sentience Is Not Enough To Motivate Conservation, Irene M. Pepperberg
Animal Sentience Is Not Enough To Motivate Conservation, Irene M. Pepperberg
Animal Sentience
Chapman & Huffman suggest that humans’ views of their own superiority are a source of their callousness toward the environment. I do not disagree but point to a number of other issues that must be addressed for conservation efforts to succeed.
Anthropocentrism: Practical Remedies Needed, Helen Kopnina
Anthropocentrism: Practical Remedies Needed, Helen Kopnina
Animal Sentience
It is true that one of the harmful consequences of creating categories where one group is unique and superior to others is that it justifies discriminating against the inferior groups. And outright abuse of nonhuman animals is indeed morally unjustifiable. But what is to be done about it?
Our Brains Make Us Out To Be Unique In Ways We Are Not, Matthew J. Criscione, Julian Paul Keenan
Our Brains Make Us Out To Be Unique In Ways We Are Not, Matthew J. Criscione, Julian Paul Keenan
Animal Sentience
Humans have long viewed themselves in a favorable light. This bias is consistent with a general pattern of self-enhancement. Neural systems in the medial prefrontal cortex underlie this way of thinking, which, even when false, may be beneficial for survival. It is hence not surprising that we often disregard contrary evidence in believing ourselves superior.
Superior Or Inferior, Human Uniqueness Is Manifold, Scott Atran
Superior Or Inferior, Human Uniqueness Is Manifold, Scott Atran
Animal Sentience
Chapman & Huffman (C & H) contend that, as with all biological traits, there is evolutionary continuity underlying cognitive and social traits previously thought to be unique to humans. Yet C & H, like Darwin, appeal to a seemingly unique moral aptitude that enables humans to be kind to conspecific strangers and other species.