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Your search keyword '"Woods, Roger P."' showing total 19 results
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19 results on '"Woods, Roger P."'

2. The impact of prenatal alcohol exposure on gray matter volume and cortical surface area of 2 to 3‐year‐old children in a South African birth cohort

Author

Subramoney, Sivenesi, primary, Joshi, Shantanu H., additional, Wedderburn, Catherine J., additional, Lee, David, additional, Roos, Annerine, additional, Woods, Roger P., additional, Zar, Heather J., additional, Narr, Katherine L., additional, Stein, Dan J., additional, and Donald, Kirsten A., additional

Published
2022
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3. Accounting for symptom heterogeneity can improve neuroimaging models of antidepressant response after electroconvulsive therapy

Author

Wade, Benjamin S. C., primary, Hellemann, Gerhard, additional, Espinoza, Randall T., additional, Woods, Roger P., additional, Joshi, Shantanu H., additional, Redlich, Ronny, additional, Dannlowski, Udo, additional, Jorgensen, Anders, additional, Abbott, Christopher C., additional, Oltedal, Leif, additional, and Narr, Katherine L., additional

Published
2021
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5. Interhemispheric Functional Brain Connectivity in Neonates with Prenatal Alcohol Exposure: Preliminary Findings

Author

Donald, Kirsten A., primary, Ipser, Jonathan C., additional, Howells, Fleur M., additional, Roos, Annerine, additional, Fouche, Jean-Paul, additional, Riley, Edward P., additional, Koen, Nastassja, additional, Woods, Roger P., additional, Biswal, Bharat, additional, Zar, Heather J., additional, Narr, Katherine L., additional, and Stein, Dan J., additional

Published
2016
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8. Alterations in functional activation in euthymic bipolar disorder and schizophrenia during a working memory task

Author

Hamilton, Liberty S., primary, Altshuler, Lori L., additional, Townsend, Jennifer, additional, Bookheimer, Susan Y., additional, Phillips, Owen R., additional, Fischer, Jeffrey, additional, Woods, Roger P., additional, Mazziotta, John C., additional, Toga, Arthur W., additional, Nuechterlein, Keith H., additional, and Narr, Katherine L., additional

Published
2009
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9. DTNBP1 is associated with imaging phenotypes in schizophrenia

Author

Narr, Katherine L., primary, Szeszko, Philip R., additional, Lencz, Todd, additional, Woods, Roger P., additional, Hamilton, Liberty S., additional, Phillips, Owen, additional, Robinson, Delbert, additional, Burdick, Katherine E., additional, DeRosse, Pamela, additional, Kucherlapati, Raju, additional, Thompson, Paul M., additional, Toga, Arthur W., additional, Malhotra, Anil K., additional, and Bilder, Robert M., additional

Published
2009
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14. Motion detection and correction in functional MR imaging

Author

Jiang, Aiping, primary, Kennedy, David N., additional, Baker, John R., additional, Weisskoff, Robert M., additional, Tootell, Roger B. H., additional, Woods, Roger P., additional, Benson, Randall R., additional, Kwong, Kenneth K., additional, Brady, Thomas J., additional, Rosen, Bruce R., additional, and Belliveau, John W., additional

Published
1995
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18. Relationships between gray matter, body mass index, and waist circumference in healthy adults.

Author

Kurth F, Levitt JG, Phillips OR, Luders E, Woods RP, Mazziotta JC, Toga AW, and Narr KL

Subjects
Adolescent, Adult, Aged, Aged, 80 and over, Brain anatomy & histology, Female, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Statistics as Topic, Young Adult, Body Mass Index, Brain physiology, Brain Mapping, Waist Circumference physiology
Abstract

Obesity and overweight are often defined by the body mass index (BMI), which associates with metabolic and cardiovascular disease, and possibly with dementia as well as variations in brain volume. However, body fat distribution and abdominal obesity (as measured by waist circumference) is more strongly correlated with cardiovascular and metabolic risk than is BMI. While prior studies have revealed negative associations between gray matter tissue volumes and BMI, the relationship with respect to waist circumference remains largely unexplored. We therefore investigated the effects of both BMI and waist circumference on local gray matter volumes in a group of 115 healthy subjects screened to exclude physical or mental disorders that might affect the central nervous system. Results revealed significant negative correlations for both BMI and waist circumference where regional gray matter effects were largest within the hypothalamus and further encompassed prefrontal, anterior temporal and inferior parietal cortices, and the cerebellum. However, associations were more widespread and pronounced for waist circumference than BMI. Follow-up analyses showed that these relationships differed significantly across gender. While associations were similar for both BMI and waist circumference for males, females showed more extensive correlations for waist circumference. Our observations suggest that waist circumference is a more sensitive indicator than BMI, particularly in females, for potentially determining the adverse effects of obesity and overweight on the brain and associated risks to health., (Copyright © 2012 Wiley Periodicals, Inc.)

Published
2013
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19. Topographical relationships between arcuate fasciculus connectivity and cortical thickness.

Author

Phillips OR, Clark KA, Woods RP, Subotnik KL, Asarnow RF, Nuechterlein KH, Toga AW, and Narr KL

Subjects
Adult, Anisotropy, Brain Mapping, Diffusion Tensor Imaging, Female, Frontal Lobe anatomy & histology, Frontal Lobe physiology, Functional Laterality, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Neuropsychological Tests, Psychomotor Performance physiology, Verbal Behavior physiology, Word Association Tests, Cerebral Cortex anatomy & histology, Cerebral Cortex physiology, Neural Pathways anatomy & histology, Neural Pathways physiology
Abstract

The arcuate fasciculus (AF) connects cortical regions important in language processing, but how fiber coherence and organization relates to gray matter macrostructure remains uncharacterized. We used high-resolution structural and 30-direction diffusion imaging data from 36 healthy adults (24 male/12 female; mean age, 30.5 ± 9.8 years) to establish the relationships between AF microstructure and regional variations in cortical gray matter within language networks. Cortical pattern-matching algorithms were used to measure gray matter thickness at high-spatial density, and a validated diffusion tractography method was used to reconstruct the AF in the left and right hemisphere of each subject. Relationships between imaging measures and neuropsychological scores of verbal fluency were additionally assessed. Results revealed positive and highly topographical associations between arcuate fractional anisotropy (FA) and cortical thickness within anterior and posterior language regions and surrounding cortices, more prominently in the left hemisphere. These regional cortical thickness/FA relationships were primarily attributable to variations in radial diffusivity. Associations between cortical thickness and verbal fluency were observed in perisylvian language-related regions. Language scores were associated with left-hemisphere AF axial diffusivity, but not with AF FA or radial diffusivity. These findings thus suggest that particular components of white matter microstructure and regional increases in cortical thickness benefit aspects of language processing. Furthermore, the topographical relationships between independent measures of white matter and gray matter integrity suggest that rich developmental or environmental interactions influence brain structure and function where the presence and strength of such associations may elucidate pathophysiological processes influencing language systems., (Copyright © 2010 Wiley-Liss, Inc.)

Published
2011
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