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Environmental influences on neural systems of relational complexity
Constructivist learning theory contends that we construct knowledge by experience and that environmental context influences learning. To explore this principle, we examined the cognitive processExpand
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Evaluation of 18F-RO-948 PET for Quantitative Assessment of Tau Accumulation in the Human Brain
The availability of tau PET radioligands enables quantitative assessment of tau density and distribution in the human brain. We evaluated the kinetics of a novel radioligand, 18F-RO-948 (previouslyExpand
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Brain PET Imaging of α7-nAChR with [18F]ASEM: Reproducibility, Occupancy, Receptor Density, and Changes in Schizophrenia
Abstract Background The α7 nicotinic acetylcholine receptor increasingly has been implicated in normal brain physiology, as well as in neuropsychiatric disorders. The highly cortical distribution ofExpand
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PET Brain imaging of α7-nAChR with [18F]ASEM
The α7 nicotinic acetylcholine receptor (nAChR) increasingly has been implicated in normal brain physiology, as well as in neuropsychiatric disorders. The α7-nAChR primarily is located in cerebralExpand
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The impact of organization structure on information manipulation and reasoning - An fMRI study
ii This work is licensed under a creative commons attribution-noderivs 3.0 unported license. iii DEDICATION This is dedicated to my lovely wife, Caron, for her relentless patience as I navigatedExpand
Rome's vestal virgins: public spectacle and society
The city of Rome developed from a small agricultural village near a small river on the Italian peninsula into the capital of an empire encompassing the entire Mediterranean world and its hinterlandsExpand
Gender-Specific Sensitivity to Time-Discrepant Task Conditions of Reasoning During fMRI
GENDER-SPECIFIC SENSITIVITY TO TIME-DISCREPANT TASK CONDITIONS OF REASONING DURING FMRI Joshua M. Roberts, M.A. George Mason University, 2011 Thesis Director: M. Layne Kalbfleisch, M.Ed., Ph.D. ThisExpand
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Learning Mechanisms Underlying Value-Driven Attention