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Neuroscience and Neurobiology Commons™
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Articles 1 - 10 of 10
Full-Text Articles in Neuroscience and Neurobiology
Adult Neurogenesis In Avian Auditory Cortex, Caudomedial Nidopallium (Ncm): Lateralization And Effects Of Statins, Shuk C. Tsoi
Adult Neurogenesis In Avian Auditory Cortex, Caudomedial Nidopallium (Ncm): Lateralization And Effects Of Statins, Shuk C. Tsoi
Dissertations, Theses, and Capstone Projects
In the first part of this paper, we investigated the basic relationship between learning, memory and adult neurogenesis using zebra finches. We found that in the auditory cortex, the left hemisphere had more new neurons than the right hemisphere. This lateralization was correlated with song learning and memory. In the second part, we used juvenile zebra finches as a model organism to study the effects of Lipitor on learning, memory and neurogenesis. We found that Lipitor impaired song learning and memory storage. Lipitor treatments also changed the morphology of new neurons and size of old neurons, suggesting statins may affect …
Perceiving Oldness In Parietal Cortex: Fmri Characterization Of A Parietal Memory Network, Adrian Gilmore
Perceiving Oldness In Parietal Cortex: Fmri Characterization Of A Parietal Memory Network, Adrian Gilmore
Arts & Sciences Electronic Theses and Dissertations
The manner in which the human brain recognizes certain stimuli as novel or familiar is a matter of ongoing investigation. The overarching goal of this dissertation is to improve our understanding of how this may be accomplished. More specifically, work contained herein focuses on a recently described "parietal memory network" (PMN; Gilmore et al., 2015) that shows opposite patterns of activity when perceiving novel or familiar stimuli: deactivating in response to novelty, and activating in response to familiarity. Critically, our understanding of this network is based on explicit memory tasks, in which subjects are deliberately instructed to learn or remember …
The Mechanisms Underlying Cocaine-Induced Overexpression Of Basic Fibroblast Growth Factor (Bfgf, Fgf2), An Effect Reversed By Extinction, Madalyn Hafenbreidel
The Mechanisms Underlying Cocaine-Induced Overexpression Of Basic Fibroblast Growth Factor (Bfgf, Fgf2), An Effect Reversed By Extinction, Madalyn Hafenbreidel
Theses and Dissertations
Drug addiction is characterized by compulsive drug use and chronic relapse despite negative consequences. Drug-induced structural and functional changes in the brain are thought to underlie these characteristics. One mechanism that may mediate these characteristics are growth factors, such as basic fibroblast growth factor (bFGF or FGF2), as they are necessary for cellular growth, survival, differentiation, and have roles in memory, mood, and anxiety disorders. bFGF mRNA and protein expression is increased following stimulant administration and is necessary for stimulant-induced changes in dendrites and behavioral sensitization. Moreover, addiction is maintained by cues associated with the drug, as they can can …
Recognition Training For Faces Across Age Gaps, William Blake Erickson
Recognition Training For Faces Across Age Gaps, William Blake Erickson
Graduate Theses and Dissertations
Face recognition is a problem that has theoretical and applied value. However, the fact of facial aging is rarely addressed in research and unmentioned in the major theories of face recognition. Facial aging also has ramifications for missing persons and fugitive cases, confounding attempts by law enforcement to recover these people whose last known images are years or decades out of date. This dissertation reports three studies aimed at measuring baseline age-gap recognition ability and testing various training regimens designed to increase accuracy rates for this unique kind of recognition task.
The Effects Of Lipopolysaccharide-Induced Neuroinflammation On Learning And Forgetting In Juvenile Rats, Michele Barry
The Effects Of Lipopolysaccharide-Induced Neuroinflammation On Learning And Forgetting In Juvenile Rats, Michele Barry
Seton Hall University Dissertations and Theses (ETDs)
The inability to remember events experienced very early in life is referred to as Infantile Amnesia (IA) and has been observed in both humans and animals. Over the years interest in the phenomenon waned, but has recently increased with the discovery of new neurobiological methods to study brain function (e.g., Callaghan, Li & Richardson, 2014). The neurobiological mechanism behind IA has yet to be determined, but several innovative theories have been developed with these new research methods. The neurogenesis hypothesis theorizes that increased neurogenesis during early development disrupts previously established memories. The hippocampus, an area that mediates both the memory …
Eye Movement Effects In Simulated Object Recognition Memory Impairment, Dmitriy Kazakov
Eye Movement Effects In Simulated Object Recognition Memory Impairment, Dmitriy Kazakov
Theses and Dissertations
Malingering is the purposeful fabrication of symptoms for secondary gain. Memory problems are the most reported symptom, and object recognition tests are often used in clinical settings to evaluate these claims. Past research has shown that eye movements can indirectly index memory, in that greater viewing is directed at studied stimuli 500-750 ms after display onset. The present study evaluated eye movements as a potential method of detecting feigned memory impairment. Forty-eight participants, half simulators, studied standardized images and took a memory test. Several levels of analysis were used to detect broad trends and brief effects. Simulators performed significantly worse …
The Effects Of Cognitive Rehabilitation For Improving Prospective Memory In Acquired Brain Injury, Emily M. Aiken
The Effects Of Cognitive Rehabilitation For Improving Prospective Memory In Acquired Brain Injury, Emily M. Aiken
Masters Theses
Acquired Brain Injury (ABI) includes any damage to the brain resulting from traumatic (e.g. motor vehicle accident) or non-traumatic (e.g. stroke) incidence, that occurs after birth and is not resulting from genetic or congenital factors. Individuals with ABI report that prospective memory (PM) deficits are the most detrimental cognitive impairment following injury, persistently and negatively impacting their ability to function properly in everyday life. PM refers to the ability to remember to carry out intended tasks in the future, including the recall of both time and event regulated intentions. Using neuropsychological assessments to produce patient deficit profiles, this study examines …
An Integrative Neurological Model For Basic Observable Human Behavior, Ryan M. Francis
An Integrative Neurological Model For Basic Observable Human Behavior, Ryan M. Francis
Calvert Undergraduate Research Awards
The scientific method uncovers information from the natural world in small increments. This spurs the design of models to explain how the pieces fit together and to identify future targets of research. This is especially the case in psychology, where visualizing concepts is an advantageous practice. One all too common criticism of cognitive and behavioral models in psychology is the lack of a biological basis. This paper aims to alleviate part of this issue by integrating currently understood biological and neurological mechanisms that drive psychological phenomena into a predictive and descriptive model for basic human behavior. To accomplish this task, …
Echoes, Sarah Abigail Adleman
Echoes, Sarah Abigail Adleman
Open Access Theses & Dissertations
When I was sixteen, my mother was killed one evening while running on the bayou behind our house in Houston. The man, who is now on Death Row in Texas, beat, raped, and then strangled her to death. Writer Mary Cappello says of Creative Nonfiction, to compose discursively requires that we turn in the direction of the discourses that have made us who we are rather than start from a place of what we think happened to us in the course of our lives. She goes on further to say, Creative nonfiction appreciates the power of prepositions. Instead of writing …
Reduced Conscious Recollection And Its Detection In Three Performance Validity Tests : A Dual Task Interference Investigation, Graham Michael Silk-Eglit
Reduced Conscious Recollection And Its Detection In Three Performance Validity Tests : A Dual Task Interference Investigation, Graham Michael Silk-Eglit
Legacy Theses & Dissertations (2009 - 2024)
Performance validity is an essential component of neuropsychological assessment. Research suggests that examinees with specific neurological conditions cannot successfully complete certain performance validity tests (PVTs). However, very little basic research has explored the information processing underlying performance on PVTs that might explain why these examinees fail certain PVTs. The current study used a dual task interference paradigm to isolate the impact of reducing conscious recollection on the performance of three PVTs, the Test of Memory Malingering (TOMM), Victoria Symptom Validity Test (VSVT), and Word Memory Test (WMT). One-hundred-and-twenty-six non-clinical undergraduate research participants were administered these three PVTs as part of …