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Articles 1 - 14 of 14
Full-Text Articles in Biological Psychology
The Role Of 5-Ht6 Receptor Activation In Learning Consolidation, Jasmine Alyssa Robinson
The Role Of 5-Ht6 Receptor Activation In Learning Consolidation, Jasmine Alyssa Robinson
Electronic Theses, Projects, and Dissertations
The focus on serotonergic dysfunction as a contributor to cognitive deficits in disorders such as autism spectrum disorder, Alzheimer's disease, and schizophrenia drives researchers to investigate the functional impact of specific serotonin receptor types on executive functioning. By discerning the potential enhancement or impairment effects, this endeavor seeks to unravel the complex interplay between serotonin receptors and cognitive abilities. Specifically, within the three domains of learning, acquisition, consolidation, and retrieval, we find serotonergic modulation to be pivotal. Recent studies have highlighted the 5-HT6 receptor as a novel target for cognitive enhancement. However, the majority of the research investigates the effects …
The Science Of Learning: Understanding The Learning Process And Its Implementation Into The Classroom, Robert Hawkins
The Science Of Learning: Understanding The Learning Process And Its Implementation Into The Classroom, Robert Hawkins
The Cardinal Edge
College and higher education is often seen as the next step for many students pursuing a particular career or field. These institutions strive to facilitate learning and maintain a rewarding academic environment. However, students often face various challenges when first attending college which is reflected by high levels of dropout and withdrawal from general education courses, especially for first-time students. In fact, according to the education data initiation, “at 4-year institutions, 18.4% of first-time, full-time college freshmen dropped out between 2019 and 2020” (Hansen & Checked, 2022). One of these challenges is understanding the process of learning on a fundamental …
Testing An Overtraining Protocol For Fear Learning In Humans, Gordon M. Haskell
Testing An Overtraining Protocol For Fear Learning In Humans, Gordon M. Haskell
Dissertations, Theses, and Capstone Projects
Successful regulation of fear memories is a fundamental tenet to the exposure-based therapies often employed by mental health professionals for individuals with PTSD, phobias, and other anxiety disorders. Consequently, the efficacy of these treatment methodologies is largely dependent on the strength of the fear memory, as stronger memories are often characterized by an increased resistance to extinction and heightened fear recovery. However, there is little consensus within the scientific community regarding how to effectively maximize fear memory strength in human studies, and the literature exploring the impact of variability in acquisition parameters on memory strength is sparse. Here, we tested …
Classical Conditioning Of Cognitive States, Arthur Burns
Classical Conditioning Of Cognitive States, Arthur Burns
Neuroscience Honors Papers
Classical conditioning has been a fundamental concept and practice throughout the history of psychology. While classical conditioning traditionally seeks to elicit target behaviors in correlation to specific stimuli, we sought to do the same with cognitive states in place of behaviors. Specifically, we wanted to determine the effectiveness of conditioning states of cognitive arousal in human participants in conjunction with cues presented in a designed learning task. We designed a cognitive task specifically for this research, referred to as “the Tone Pitching Task”, which utilized a combination of working memory and mental processing in order to elicit cognitive arousal and …
Experience-Dependent Changes In Nucleus Accumbens Activity Predict Cued Approach Learning: Contribution Of Nmda Receptors, Mercedes Vega Villar
Experience-Dependent Changes In Nucleus Accumbens Activity Predict Cued Approach Learning: Contribution Of Nmda Receptors, Mercedes Vega Villar
Dissertations, Theses, and Capstone Projects
Animals learn associations between environmental cues and the natural rewards they predict (e.g., food, water, sex). As a result, reward-predictive cues come to trigger vigorous reward-seeking responses. Many neurons in the nucleus accumbens (NAc) become excited upon presentation of an already-learned reward-predictive cue. These NAc responses encode the motivational value of the cue and are necessary for the expression of the subsequent approach behavior. However, the precise temporal relationship between the emergence of cue-evoked excitations in the NAc and the acquisition of cued approach behavior remains unknown. In Experiment 1, NAc activity was recorded as rats learned to approach a …
The Convergence Of Psychology And Neurobiology In Flavor-Nutrient Learning, Kevin P. Myers
The Convergence Of Psychology And Neurobiology In Flavor-Nutrient Learning, Kevin P. Myers
Faculty Journal Articles
Flavor evaluation is influenced by learning from experience with foods. One main influence is flavor-nutrient learning (FNL), a Pavlovian process whereby a flavor acts as a conditioned stimulus (CS) that becomes associated with the postingestive effects of ingested nutrients (the US). As a result that flavor becomes preferred and intake typically increases. This learning powerfully influences food choice and meal patterning. This paper summarizes how research elucidating the physiological and neural substrates of FNL has progressed in parallel with work characterizing how FNL affects perception, motivation, and behavior. The picture that emerges from this work is of a robust system …
Roles Of Gabab, Muscarinic And Nicotinic Receptor Signaling In The Acquisition And Expression Of Fructose And Fat-Conditioned Flavor Preferences And Acquisition Of Quinine-Conditioned Flavor Avoidances In Rats, Francis M. Rotella
Dissertations, Theses, and Capstone Projects
In addition to increased intake of sweet solutions by mammals, learning, particularly classically-conditioned “Pavlovian-like” learning, also plays an important role. An orosensory conditioned flavor preference (CFP) can be elicited by pairing one novel flavor (conditioned stimulus, CS+) with a fructose solution and a second novel flavor (CS-) with a saccharin solution. Rats will prefer the CS+ flavor in a subsequent 2-bottle choice test with both flavors mixed in saccharin. Previous pharmacological analyses revealed that systemic administration of dopamine (DA) D1 and D2 as well as NMDA, but not opioid, receptor antagonists eliminated the acquisition (learning) of fructose-CFP. Further, expression of …
An Analysis Of Canine Processing Of Stimulus Compounds Varying In Light And Sound Intensity, Katherine O. Compitus
An Analysis Of Canine Processing Of Stimulus Compounds Varying In Light And Sound Intensity, Katherine O. Compitus
Theses and Dissertations
A dog was trained to respond deferentially to two light-sound compounds. The dog was then tested with combinations of additional light and sound intensities. The dog appeared to use the information provided by both stimulus dimensions. This research is relevant to the understanding of information processing, specifically categorization and generalization.
Effects Of 17Β-Estradiol On Learning And Memory And Strategy Use During A Hole Board Spatial Navigation Task In Aged Male Rats, Megan Berthiaume
Effects Of 17Β-Estradiol On Learning And Memory And Strategy Use During A Hole Board Spatial Navigation Task In Aged Male Rats, Megan Berthiaume
Seton Hall University Dissertations and Theses (ETDs)
Treatment with 17β- estradiol has been shown to ameliorate age related deficits in spatial learning and memory as well as to promote the use of an allocentric strategy during spatial navigation. While the majority of research using 17β- estradiol has been done using females rodents, there have been studies showing an improvement in spatial learning and memory and promoted use of allocentric strategies in spatial navigation in males as well. In males testosterone (T) is metabolized into estradiol by aromatase. As circulating levels of T decline with aging there is less available T to be metabolized into estradiol. The current …
Double Dissociation Of The Anterior And Posterior Dorsomedial Caudate–Putamen In The Acquisition And Expression Of Associative Learning With The Nicotine Stimulus, Sergios Charntikov
Double Dissociation Of The Anterior And Posterior Dorsomedial Caudate–Putamen In The Acquisition And Expression Of Associative Learning With The Nicotine Stimulus, Sergios Charntikov
Department of Psychology: Dissertations, Theses, and Student Research
Tobacco use is the leading cause of preventable deaths worldwide. This habit is not only debilitating to individual users but also to those around them (second-hand smoking). Nicotine is the main addictive component of tobacco products and is a moderate stimulant and a mild reinforcer. Importantly, besides its unconditional effects, nicotine also has conditioned stimulus effects that may contribute to the tenacity of the smoking habit. Because the neurobiological substrates underlying these processes are virtually unexplored, the present study investigated functional involvement of dorsomedial caudate putamen (dmCPu) in the conditioning processes with nicotine as a conditioned stimulus. Rats were trained …
Behavioral Effects Of Fluoxetine On Aggression And Associative Learning In Betta Splendens, Benjamin Eisenreich
Behavioral Effects Of Fluoxetine On Aggression And Associative Learning In Betta Splendens, Benjamin Eisenreich
Graduate Student Theses, Dissertations, & Professional Papers
While the link between serotonin and the behaviors of aggression and learning has been elucidated, few studies have examined the impact serotonin has on learning for aggressive rewards. In particular, the SSRI fluoxetine has been demonstrated to reduce aggression as well the acquisition of instrumental responding for rewards indicating that this drugs behavioral effect may be related to motivational processes important for learning. To examine the relationship between fluoxetine and motivational process important for learning, two experiments were conducted using Betta splendens, a species well known for their robust aggressive response and drive to engage in aggressive behaviors, to examine …
Implicit Theories Of Intelligence And Learning A Novel Mathematics Task, Nathan Oehme Rudig
Implicit Theories Of Intelligence And Learning A Novel Mathematics Task, Nathan Oehme Rudig
UNLV Theses, Dissertations, Professional Papers, and Capstones
The social-cognitive model of motivation states that students adopt a theory of the nature of intelligence that guides their goals in academia and their responses to academic setbacks. Students who believe intelligence is an unchanging entity within them are more likely to adopt goals to display high ability, hide low ability, and respond helplessly to failed schoolwork. Conversely, a student who believes intelligence is a measure of effort and persistence will be motivated to gather knowledge and acquire new skills. The current study investigated the role theories of intelligence play in the field of mathematics understanding. In two experiments, participants …
The Role Of Igf-Ii In Memory Enhancement : Implications For Autism Spectrum Disorders, Amy S. Kohtz
The Role Of Igf-Ii In Memory Enhancement : Implications For Autism Spectrum Disorders, Amy S. Kohtz
Legacy Theses & Dissertations (2009 - 2024)
Cognitive and memory impairments significantly affect multiple domains in life and play major roles in disease. Identifying critical mechanisms and factors that mediate memory consolidation and enhancement may represent an important approach for increasing cognition in normal adults and preventing or treating cognitive impairments. The expression of the C/EBP- target gene insulin-like growth factor 2, (IGF-II) is required for memory consolidation; furthermore, IGF-II administration during memory consolidation produces memory enhancement, increased memory persistence and prevents forgetting. In this thesis, I investigated the therapeutic potential of IGF-II to promote memory consolidation when administered systemically. In addition, I investigated one particularly interesting …
The Relative Effect Of Time Of Reinforcement And Pre-Reinforcement Activity On The Learning Of Meaningful Verbal Material, Daisuke Bill Nakashima
The Relative Effect Of Time Of Reinforcement And Pre-Reinforcement Activity On The Learning Of Meaningful Verbal Material, Daisuke Bill Nakashima
All Master's Theses
The present study was designed to compare the relative effects on learning and retention of (1) time of reinforcement, (2) pre-reinforcement activity, and (3) the interaction of the temporal interval and activity. The hoped-for criterion was the retention of six principles.