Seasonal Hippocampal Plasticity In Food-Storing Birds.,
2010
Western University
Seasonal Hippocampal Plasticity In Food-Storing Birds., David F Sherry, Jennifer S Hoshooley
Psychology Publications
Both food-storing behaviour and the hippocampus change annually in food-storing birds. Food storing increases substantially in autumn and winter in chickadees and tits, jays and nutcrackers and nuthatches. The total size of the chickadee hippocampus increases in autumn and winter as does the rate of hippocampal neurogenesis. The hippocampus is necessary for accurate cache retrieval in food-storing birds and is much larger in food-storing birds than in non-storing passerines. It therefore seems probable that seasonal change in caching and seasonal change in the hippocampus are causally related. The peak in recruitment of new neurons into the hippocampus occurs before birds …
Effects Of Chlordiazepoxide On Predator Odor-Induced Reductions Of Playfulness In Juvenile Rats,
2010
Gettysburg College
Effects Of Chlordiazepoxide On Predator Odor-Induced Reductions Of Playfulness In Juvenile Rats, Stephen M. Siviy, Courtney L. Steets, Lauren M. Debrouse
Psychology Faculty Publications
The extent to which a non-sedative dose of chlordiazepoxide (CDP) is able to modify the behavioral responses toward a predator odor was assessed in juvenile rats. Play behavior was suppressed and defensive behaviors were enhanced in the presence of a collar previously worn by a cat, when tested 24 hours later in the same context as that where the exposure occurred, and when tested in a context different than that in which the exposure occurred for up to 3 hours after exposure. CDP had no effect on the ability of cat odor to suppress play when rats were tested in …
The Effects Of Testosterone On Emotional Processing In Male Rhesus Monkeys (Macaca Mulatta),
2010
University of Massachusetts Amherst
The Effects Of Testosterone On Emotional Processing In Male Rhesus Monkeys (Macaca Mulatta), Hanna M. King
Masters Theses 1911 - February 2014
The effects of testosterone (T) extend beyond reproductive behavior to the areas of cognitive and emotional functioning. While T effects on cognition have been extensively investigated, less is known about the role of T in the processing of emotional stimuli. Considering the role that T plays in aggressive behavior and dominance status, it is of particular interest to determine whether T modulates the processing of social threat. Due to their similarities to humans in brain organization, reproductive endocrinology and affective regulation, rhesus monkeys (macaca mulatta) provide an excellent model to investigate this relationship. In a within-subjects design, six male rhesus …
Do Athletes Respond Differently To Academic And Social Stress? An Examination Of Cortisol And Perceived Stress Throughout A Semester In College Athletes And Typical College Students,
2010
Connecticut College
Do Athletes Respond Differently To Academic And Social Stress? An Examination Of Cortisol And Perceived Stress Throughout A Semester In College Athletes And Typical College Students, Rita Rose Holak
Behavioral Neuroscience Honors Papers
In order to be a successful athlete, you must be able to perform well under stressful situations. Are athletes also better at responding to stress under other circumstances such as social and academic stress? The present study investigated the impact of exercise on salivary cortisol and perceived stress in college students. Cortisol was sampled throughout a semester as well as before and after a laboratory‐based stress test during the final exam period. It was found that athletes had the largest increase in cortisol between baseline and the final exam period and the sedentary students had the smallest increase. Also, cortisol …
Basolateral Amygdala And Morphine-Induced Taste Avoidance In The Rat,
2010
Butler University
Basolateral Amygdala And Morphine-Induced Taste Avoidance In The Rat, Jamie Lovaglio, Jian-You Lin, Christopher T. Roman, Steve Reilly
Scholarship and Professional Work – COPHS
The present experiment examined the influence of excitotoxic lesions of the basolateral amygdala (BLA) on morphine-induced saccharin avoidance. Neurologically intact subjects rapidly learned to avoid drinking the taste conditioned stimulus (CS), an effect that was sustained throughout the experiment. Although the BLA-lesioned (BLAX) rats showed CS avoidance over the first few trials, the effect was not sustained. That is, by the end of the experiment, the BLAX rats were drinking the same amount of saccharin after seven saccharin-morphine trials as they did on the first trial (i.e., prior to the morphine injections). Potential interpretations of the results are discussed including …
The Biology Of Reality Testing - Implications For Cognitive Education,
2010
University of Tennessee - Knoxville
The Biology Of Reality Testing - Implications For Cognitive Education, Neil Greenberg
Neil Greenberg
• This report explores the proposition that teaching effectiveness can be enhanced by accommodating the key differences between two complementary and deeply engrained modes of reality testing, each predominantly centered in different hemispheres of the brain. • (1) Correspondence involves “reality-testing” of a percept, the cerebral representation of an experience in the world. • (2) Coherence involves “textualizing”, that is, reality-testing of a percept by how easily it relates to previous and ongoing parallel and collateral experiences. • Confidence in the validity of any percept throughout development is related to the interplay of these key processes. • As organisms develop, …
"The Chills" As A Psychological Response: Affective Composition, Trait Antecedents, And Factor Structure,
2010
College of William & Mary - Arts & Sciences
"The Chills" As A Psychological Response: Affective Composition, Trait Antecedents, And Factor Structure, Laura Anne Maruskin
Dissertations, Theses, and Masters Projects
No abstract provided.
Safe Medication Use Among Hispanic College Students: Knowledge, Attitudes And Behaviors,
2010
University of Texas at El Paso
Safe Medication Use Among Hispanic College Students: Knowledge, Attitudes And Behaviors, Tania Guadalupe Quiroz
Open Access Theses & Dissertations
College students are at increased risk of medication errors. Research suggests that young adults are active users of over-the- counter (OTC) medications and other products that may increase the risk for negative health outcomes. Therefore, it is very important to analyze young adults' attitudes, beliefs, and behaviors about medication use among college students in order to provide them with the necessary information. Due to language and cultural factors, the issue is particularly relevant in U.S.-Mexico border communities. This casual-comparative study examined knowledge, attitudes, and behaviors regarding medication use among Hispanic college students. Data was collected through a survey developed by …
Preliminary Archaeological Investigations At The Sierra Diablo Cave Site: Paleoindian And Archaic Occupations In Hudspeth County, Texas,
2010
University of Texas at El Paso
Preliminary Archaeological Investigations At The Sierra Diablo Cave Site: Paleoindian And Archaic Occupations In Hudspeth County, Texas, Jose Javier Vasquez
Open Access Theses & Dissertations
It is generally rare to find archaeological sites in the Southwest that retain the type of contextual integrity that the Sierra Diablo Cave exhibits. Often times, cave sites such as the one currently studied offer excellent preservation of cultural materials due to the general lack of moisture and isolation from wind and water erosion. The research aimed to determine when the site was occupied as well as the types of activities that were occurring during those occupations. It exhibits an extensive stratigraphic sequence that contains a well pronounced Late Archaic Period assemblage (Strata A and B) and a Late Pleistocene/Early …
Play And Adversity: How The Playful Mammalian Brain Withstands Threats And Anxieties,
2010
Gettysburg College
Play And Adversity: How The Playful Mammalian Brain Withstands Threats And Anxieties, Stephen M. Siviy
Psychology Faculty Publications
Most mammals play, but they do so in a dangerous world. The dynamic relationship between the stresses created by their world and the activity of play helps to explain the evolution of play in mammals, as the author demonstrates in evidence garnered from experiments that introduce elements of fear to rats at play. The author describes the resulting fearful behavior and quantifies the fluctuation in play that results, and then he investigates how these are modified by increased maternal care or the use of benzodiazepines. In conclusion, he discusses how such research can help shed light on the neurobiology underlying …
Possible Regulatory Effects Of Coalition Computations On The Mu Rhythm,
2010
College of William & Mary - Arts & Sciences
Possible Regulatory Effects Of Coalition Computations On The Mu Rhythm, Kyle Timothy Gagnon
Dissertations, Theses, and Masters Projects
No abstract provided.
The Biology Of Reality Testing - Implications For Cognitive Education,
2010
University of Tennessee - Knoxville
The Biology Of Reality Testing - Implications For Cognitive Education, Neil Greenberg
Faculty Publications and Other Works -- Ecology and Evolutionary Biology
• This report explores the proposition that teaching effectiveness can be enhanced by accommodating the key differences between two complementary and deeply engrained modes of reality testing, each predominantly centered in different hemispheres of the brain. • (1) Correspondence involves “reality-testing” of a percept, the cerebral representation of an experience in the world. • (2) Coherence involves “textualizing”, that is, reality-testing of a percept by how easily it relates to previous and ongoing parallel and collateral experiences. • Confidence in the validity of any percept throughout development is related to the interplay of these key processes. • As organisms develop, …
Influence Of Perinatal Exposure To A Polychlorinated Biphenyl Mixture On Learning And Memory, Hippocampal Size, And Estrogen Receptor-Beta Expression,
2009
Bowling Green State University
Influence Of Perinatal Exposure To A Polychlorinated Biphenyl Mixture On Learning And Memory, Hippocampal Size, And Estrogen Receptor-Beta Expression, Howard Cromwell
Howard Casey Cromwell
Abstract. Perinatal exposure to PCB has been reported to cause a variety of health effects including endocrine disruption, and immunologic, reproductive, neurologic, and behavioral deficits. In the present study, a mixture of two PCB congeners, one non-coplanar (PCB 47) and one coplanar (PCB 77), were administered to young female Sprague-Dawley rats by route of maternal dietary consumption (either 12.5 ppm or 25.0 ppm, w/w). Impact on learning and memory were examined by radial arm maze on postnatal day 24-27. After behavioral tests were completed, the rats were transcardially perfused, and brains were excised. Immunohistochemistry for ER- β was carried out …
Perinatal Exposure To Polychlorinated Biphenyls Alters Social Behaviors In Rats,
2009
Bowling Green State University
Perinatal Exposure To Polychlorinated Biphenyls Alters Social Behaviors In Rats, Howard C. Cromwell
Howard Casey Cromwell
Perinatal exposure to polychlorinated biphenyls (PCBs) leads to significant alterations of neural and hormonal systems. These alterations have been shown to impair motor and sensory development. Less is known about the influence of PCB exposure on developing emotional and motivational systems involved in social interactions and social learning. The present study examined the impact of perinatal PCB exposure (mixture of congeners 47 and 77) on social recognition in juvenile animals, conspecific-directed investigation in adults and on neural and hormonal systems involved in social functions. We used a standard habituation–dishabituation paradigm to evaluate juvenile recognition and a social port paradigm to …
