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Articles 1 - 7 of 7
Full-Text Articles in Cognitive Neuroscience
The Impact Of Insufficient Sleep On The Serial Reproduction Of Information, David L. Dickinson, Sean P. A. Drummond
The Impact Of Insufficient Sleep On The Serial Reproduction Of Information, David L. Dickinson, Sean P. A. Drummond
ESI Publications
Story retelling is an important form of communication, cultural practice, and message transmission. Insufficient sleep is known to affect relevant cognitive skill areas necessary for story retelling or transmission fidelity. We conducted a preregistered randomized cross-over study on n = 155 young adults with exogenously assigned nightly sleep levels experienced in their at-home environments. A serial story reproduction task was administered online, and chains of up to three retells of a given story involved varied numbers of sleep restricted (SR) versus well-rested (WR) retellers. While story content decayed with each retell, group-level analysis showed that additional SR retellers in a …
Voluntary Action And Conscious Intention, Jake Gavenas
Voluntary Action And Conscious Intention, Jake Gavenas
Computational and Data Sciences (PhD) Dissertations
Traditional experimental methodology in neuroscience involves comparing responses to different stimuli to make inferences about the human brain. However, human volition entails making decisions and acting in a manner that is underdetermined by the external environment. Investigations of the neuronal basis of volition have led to new controversies regarding the existence of free will, and offer potential directions for medical treatments of disorders such as addiction, akinetic mutism, and locked-in syndrome. However, because volition experiments leave aspects of responses “up to” participants, neuroscientists must utilize computational techniques such as modeling, simulation, and advanced analyses to progress our understanding of human …
Probing The Boundaries Of Human Agency, Sook Mun Wong
Probing The Boundaries Of Human Agency, Sook Mun Wong
Computational and Data Sciences (PhD) Dissertations
In this dissertation, I aim to advance our understanding of human agency and how it is computed. First, I probe the limits of what behavior we can and cannot produce agentically. Secondly, I explore microdosing with psychedelic drugs as a method of perturbing and studying changes to the sense of agency. Thirdly, I use transcranial magnetic stimulation to induce body movements and investigate how the sense of agency is affected. Finally, I summarise my findings and synthesize insights to further our understanding human agency.
Causal Inference In Psychology And Neuroscience: From Association To Causation, Dehua Liang
Causal Inference In Psychology And Neuroscience: From Association To Causation, Dehua Liang
Computational and Data Sciences (PhD) Dissertations
In psychology and neuroscience, inferring causality in non-experimental studies is almost taboo, because data in these studies, e.g., survey data and resting-state neuroimaging data, are often contaminated by unmeasured confounders. Psychologists and neuroscientists are often cautious about their results, and reluctant to make false claims about causality in non-experimental studies. Therefore, they adopt less stringent statistical analysis techniques that can only infer associational relations. However, the ambiguity about causality in traditional statistical analysis creates much confusion in interpreting analytical results - some studies make implicit causal claims about their results using words such as “impacts”, “lead to” and “affects”. This …
Adaptive Evolution Of Learning And Memory In A Model Lineage, William G. Wright
Adaptive Evolution Of Learning And Memory In A Model Lineage, William G. Wright
Biology, Chemistry, and Environmental Sciences Faculty Books and Book Chapters
Although reductionistic studies of mechanisms of learning in a broad range of model species have advanced our understanding of neural mechanisms, our integrated understanding of mechanisms, behavior, ecology, and evolution of learning remains patchy. A more wholistic research approach in a model lineage of species related to the sea hare, Aplysia californica, has revealed a complete loss of mechanisms of sensitization in one sea-hare genus, Dolabrifera, with concomitant changes in its behavior and ecology. A partial loss of sensitization via different mechanisms in a sister genus, Phyllaplysia, provides further information for our evolving understanding of the evolution of learning …
Brainwaves And Intentions: The Readiness Potential And Its Relation To Free Will, Joanna Pak, Aaron Schurger, Adina Roskies, Pengbo Hu
Brainwaves And Intentions: The Readiness Potential And Its Relation To Free Will, Joanna Pak, Aaron Schurger, Adina Roskies, Pengbo Hu
SURF Posters and Papers
First discovered in 1965 by Kornhuber and Deecke, the readiness potential (RP) is a distinctive buildup of neural activity in motor areas of the brain that begins ~500 ms before voluntary movements. In 1983, Libet used the RP as the foundation for his argument against the existence of conscious free will. This argument became known as the classic model of the RP, which interprets the RP as a precursor to the conscious experience of volition and a quantifiable representation of unconscious brain activity preceding spontaneous movements. Although the classic model connected the RP to free will, the significance of the …
Cognitive Neurosciene And Its Applications To Contemporary Acting Theory, Ryan Stiffelman
Cognitive Neurosciene And Its Applications To Contemporary Acting Theory, Ryan Stiffelman
Student Scholar Symposium Abstracts and Posters
I personally believe that anyone can be a performer so long as they have the determination, dedication, and refuse to take no for an answer. There are all kinds of training out there designed to help turn hopeful wannabes into the “stars” that we know them as, however, not every “star” we see has had this kind of training. We often hear of young actors like Jennifer Lawrence hailed for their “natural talent”. Does this mean there’s some kind of birth-right, a specific natural inclination or ability that makes someone a potentially great actor from the start? I will refer …