Graduate School Administration

Works Published in 2019

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Displaying all 13 works

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2019 journal article

Robustness of the Sobol' Indices to Marginal Distribution Uncertainty

SIAM-ASA JOURNAL ON UNCERTAINTY QUANTIFICATION, 7(4), 1224–1244.

author keywords: global sensitivity analysis; Sobol' indices; robustness; epistemic uncertainty
TL;DR: A novel method which uses "optimal perturbations" of the marginal probability density functions to analyze the robustness of the Sobol' indices is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Source: Web Of Science
Added: August 10, 2020

2019 journal article

ROBUSTNESS OF THE SOBOL' INDICES TO DISTRIBUTIONAL UNCERTAINTY

INTERNATIONAL JOURNAL FOR UNCERTAINTY QUANTIFICATION, 9(5), 453–469.

By: J. Hart* & P. Gremaud n

author keywords: global sensitivity analysis; Sobol' indices; uncertain distributions; deep uncertainty
TL;DR: The robustness of the Sobol' indices, a commonly used tool in GSA, to changes in the distribution of the uncertain variables is analyzed, which requires minimal user specification and no additional evaluations of the model. (via Semantic Scholar)
Source: Web Of Science
Added: January 6, 2020

2019 article

Insights from a survey-based analysis of the academic job market

Fernandes, J. D., Sarabipour, S., Smith, C. T., Niemi, N. M., Jadavji, N. M., Kozik, A. J., … Haage, A. (2019, October 9). (Vol. 10). Vol. 10.

TL;DR: There is no single clear path to a faculty job offer and metrics such as career transition awards and publications in high impact factor journals were neither necessary nor sufficient for landing a faculty position, suggesting the need to improve the transparency of the faculty job application process. (via Semantic Scholar)
Source: ORCID
Added: December 4, 2019

2019 journal article

Differential regional decline in dopamine receptor availability across adulthood: Linear and nonlinear effects of age

Human Brain Mapping, 4.

By: K. Seaman*, C. Smith*, E. Juarez*, L. Dang*, J. Castrellon*, L. Burgess*, M. Juan*, P. Kundzicz* ...

author keywords: aging; D2 receptors; dopamine; positron emission tomography imaging; regional differences
MeSH headings : Adult; Aged; Aged, 80 and over; Aging / metabolism; Brain / metabolism; Cross-Sectional Studies; Female; Humans; Magnetic Resonance Imaging; Male; Middle Aged; Models, Statistical; Positron-Emission Tomography; Receptors, Dopamine D2 / metabolism; Receptors, Dopamine D3 / metabolism; Young Adult
TL;DR: Overall, these data indicate that the rate and pattern of decline in D2 receptor availability is regionally heterogeneous, and existing theories of adult brain development may need to be modified to better account for the spatial dynamics of dopaminergic system aging. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: December 4, 2019

2019 journal article

Individual Differences in Dopamine Are Associated with Reward Discounting in Clinical Groups But Not in Healthy Adults

The Journal of Neuroscience, 39(2), 321–332.

author keywords: decision making; delay discounting; dopamine; effort; PET; probability
MeSH headings : Adolescent; Adult; Aged; Aged, 80 and over; Aging / psychology; Behavior, Addictive / diagnostic imaging; Behavior, Addictive / psychology; Brain / diagnostic imaging; Brain / physiology; Brain Mapping; Delay Discounting; Dopamine / metabolism; Female; Humans; Individuality; Male; Mental Disorders / diagnostic imaging; Mental Disorders / psychology; Middle Aged; Positron-Emission Tomography; Receptors, Dopamine D2 / genetics; Receptors, Dopamine D2 / metabolism; Reward; Young Adult
TL;DR: It is shown that individual differences in DA D2 receptor availability are not consistently related to monetary discounting of time, probability, or physical effort in healthy individuals across a broad age range, and suggested that psychopathology accounts for observed inconsistencies in the relationship between measures of DA function and reward discounting behavior. (via Semantic Scholar)
Source: ORCID
Added: December 4, 2019

2019 journal article

Lack of consistent sex differences in d-amphetamine-induced dopamine release measured with [18F]fallypride PET

Psychopharmacology, 236(2), 581–590.

By: C. Smith*, L. Dang*, L. Burgess*, S. Perkins*, M. Juan*, D. Smith*, R. Cowan*, N. Le* ...

author keywords: (up to 10): Sex differences; Dopamine; PET; D2/3 receptor availability; Dopamine release; d-amphetamine
MeSH headings : Adult; Aged; Benzamides; Central Nervous System Stimulants / pharmacology; Dextroamphetamine / pharmacology; Dopamine / metabolism; Female; Fluorine Radioisotopes; Humans; Male; Middle Aged; Positron-Emission Tomography; Receptors, Dopamine D2 / drug effects; Receptors, Dopamine D2 / metabolism; Receptors, Dopamine D3 / drug effects; Receptors, Dopamine D3 / metabolism; Sex Characteristics; Sex Factors; Ventral Striatum / diagnostic imaging; Ventral Striatum / drug effects; Ventral Striatum / metabolism; Young Adult
TL;DR: There was limited evidence for greater right ventral striatal dopamine release in young adult males relative to similarly aged females, but this was not consistently observed across samples and the data do not support the presence of consistent widespread sex differences in this measure of dopamine release. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: December 4, 2019

2019 journal article

Partial-volume correction increases estimated dopamine D2-like receptor binding potential and reduces adult age differences

Journal of Cerebral Blood Flow & Metabolism, 39(5), 822–833.

By: C. Smith*, J. Crawford*, L. Dang*, K. Seaman*, M. Juan*, A. Vijay*, D. Katz*, D. Matuskey* ...

author keywords: Aging; D2 receptors; dopamine; partial volume correction; positron emission tomography imaging
MeSH headings : Adult; Aged; Aging; Brain / physiology; Dopamine / metabolism; Female; Gray Matter / physiology; Humans; Male; Middle Aged; Positron-Emission Tomography / methods; Protein Binding; Receptors, Dopamine D2 / metabolism
TL;DR: It is suggested that PVC increases estimated BPND in general and reduces adult age differences especially when using lower resolution cameras, and the past 30 years of research on dopamine receptor availability, for which very few studies use PVC, may overestimate effects of aging on dopamine receptors availability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: December 4, 2019

2019 journal article

Reproducibility of the correlative triad among aging, dopamine receptor availability, and cognition.

Psychology and Aging, 34(7), 921–932.

By: E. Juarez, J. Castrellon, M. Green, J. Crawford, K. Seaman, C. Smith*, L. Dang, D. Matuskey ...

author keywords: cognition; working memory; aging; dopamine; PET
MeSH headings : Adult; Aged; Aged, 80 and over; Aging / physiology; Animals; Cognition / physiology; Cross-Sectional Studies; Female; Healthy Volunteers; Humans; Male; Middle Aged; Receptors, Dopamine D2 / metabolism; Reproducibility of Results; Young Adult
UN Sustainable Development Goal Categories
Sources: Crossref, Web Of Science, NC State University Libraries, ORCID
Added: November 25, 2019

2019 journal article

A first report of microtektites from the shell beds of southwestern Florida

METEORITICS & PLANETARY SCIENCE, 54(7), 1594–1603.

By: M. Meyer*, P. Harries n & R. Portell*

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 26, 2019

2019 journal article

Cardiovascular dynamics during head-up tilt assessed via pulsatile and non-pulsatile models

JOURNAL OF MATHEMATICAL BIOLOGY, 79(3), 987–1014.

By: N. Williams*, R. Brady*, S. Gilmore n, P. Gremaud n, H. Tran n, J. Ottesen*, J. Mehlsen*, M. Olufsen n

author keywords: Cardiovascular dynamics modeling; Head-up tilt; Pulsatile versus non-pulsatile modeling; Parameter estimation; Orthostatic intolerance
MeSH headings : Adult; Blood Pressure; Cardiac Output / physiology; Heart Rate; Hemodynamics; Humans; Male; Models, Cardiovascular; Pulsatile Flow; Supine Position; Tilt-Table Test; Vascular Resistance / physiology
TL;DR: It is shown that mathematical modeling can be used to predict changes in cardiac contractility, vascular resistance, and arterial compliance, quantities that cannot be measured but are useful to assess the system’s state. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 19, 2019

2019 journal article

Constitutive relations for compressible granular flow in the inertial regime

JOURNAL OF FLUID MECHANICS, 874, 926–951.

By: D. Schaeffer*, T. Barker*, D. Tsuji*, P. Gremaud n, M. Shearer n & J. Gray*

author keywords: granular media; rheology
Source: Web Of Science
Added: August 12, 2019

2019 journal article

Global Sensitivity Analysis of High-Dimensional Neuroscience Models: An Example of Neurovascular Coupling

BULLETIN OF MATHEMATICAL BIOLOGY, 81(6), 1805–1828.

By: J. Hart n, P. Gremaud n & T. David*

author keywords: Neurovascular coupling; Global sensitivity analysis; Model parameters
MeSH headings : Actomyosin / physiology; Algorithms; Animals; Blood Flow Velocity / physiology; Computer Simulation; Extracellular Space / physiology; Humans; Mathematical Concepts; Models, Neurological; Neurovascular Coupling / physiology; Potassium / physiology; Signal Transduction / physiology; Vascular Resistance / physiology
TL;DR: Global sensitivity analysis provides a measure of the influence of each parameter, for each of the three QoIs, giving insight into areas of possible physiological dysfunction and areas of further investigation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Source: Web Of Science
Added: June 17, 2019

2019 journal article

William Hazlitt, Classical Rhetoric, and The Spirit of the Age

RHETORIC REVIEW, 38(2), 119–132.

By: K. Homar n

UN Sustainable Development Goal Categories
5. Gender Equality (Web of Science)
Source: Web Of Science
Added: April 22, 2019

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