Search Results - "Ollinger, John M"

Military-related mild traumatic brain injury: clinical characteristics, advanced neuroimaging, and molecular mechanisms by Kim, Sharon Y., Yeh, Ping-Hong, Ollinger, John M., Morris, Herman D., Hood, Maureen N., Ho, Vincent B., Choi, Kwang H.

“…Mild traumatic brain injury (mTBI) is a significant health burden among military service members. Although mTBI was once considered relatively benign compared…”
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Voluntary orienting is dissociated from target detection in human posterior parietal cortex by Corbetta, Maurizio, Kincade, J. Michelle, Ollinger, John M, McAvoy, Marc P, Shulman, Gordon L

“…Human ability to attend to visual stimuli based on their spatial locations requires the parietal cortex. One hypothesis maintains that parietal cortex controls…”
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Human brain activity time-locked to perceptual event boundaries by Zacks, Jeffrey M, Braver, Todd S, Sheridan, Margaret A, Donaldson, David I, Snyder, Abraham Z, Ollinger, John M, Buckner, Randy L, Raichle, Marcus E

“…Temporal structure has a major role in human understanding of everyday events. Observers are able to segment ongoing activity into temporal parts and sub-parts…”
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A Common Network of Functional Areas for Attention and Eye Movements by Corbetta, Maurizio, Akbudak, Erbil, Conturo, Thomas E, Snyder, Abraham Z, Ollinger, John M, Drury, Heather A, Linenweber, Martin R, Petersen, Steven E, Raichle, Marcus E, Van Essen, David C, Shulman, Gordon L

“…Functional magnetic resonance imaging (fMRI) and surface-based representations of brain activity were used to compare the functional anatomy of two tasks, one…”
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Acquired Sleep-Related Hypermotor Epilepsy with Disrupted White Matter Tracts Assessed by Multishell Diffusion Magnetic Resonance Imaging by Tchopev, Zahari N, Yeh, Ping-Hong, Morgan, Greg W, Meyer, Eric, Wolf, Johanna M, Ollinger, John M, Riedy, Gerard P, Young, Lisa C

“…Sleep-related hypermotor epilepsy (SHE) (previously frontal lobe epilepsy) is a rare seizure disorder commonly misdiagnosed or unrecognized, causing negative…”
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Hemispheric Specialization in Human Dorsal Frontal Cortex and Medial Temporal Lobe for Verbal and Nonverbal Memory Encoding by Kelley, William M, Miezin, Francis M, McDermott, Kathleen B, Buckner, Randy L, Raichle, Marcus E, Cohen, Neal J, Ollinger, John M, Akbudak, Erbil, Conturo, Thomas E, Snyder, Abraham Z, Petersen, Steven E

“…The involvement of dorsal frontal and medial temporal regions during the encoding of words, namable line-drawn objects, and unfamiliar faces was examined using…”
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Direct Comparison of Prefrontal Cortex Regions Engaged by Working and Long-Term Memory Tasks by Braver, Todd S., Barch, Deanna M., Kelley, William M., Buckner, Randy L., Cohen, Neal J., Miezin, Francis M., Snyder, Abraham Z., Ollinger, John M., Akbudak, Erbil, Conturo, Thomas E., Petersen, Steven E.

“…Neuroimaging studies have suggested the involvement of ventrolateral, dorsolateral, and frontopolar prefrontal cortex (PFC) regions in both working (WM) and…”
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Persistence and Brain Circuitry by Gusnard, Debra A., Ollinger, John M., Shulman, Gordon L., Cloninger, C. Robert, Price, Joseph L., Van Essen, David C., Raichle, Marcus E.

“…The orbitofrontal and adjacent medial prefrontal cortex may play an important role in normal social functioning and affect modulation. Recent anatomical…”
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Areas Involved in Encoding and Applying Directional Expectations to Moving Objects by Shulman, Gordon L, Ollinger, John M, Akbudak, Erbil, Conturo, Thomas E, Snyder, Abraham Z, Petersen, Steven E, Corbetta, Maurizio

“…Two experiments used functional magnetic resonance imaging (fMRI) to examine the cortical areas involved in establishing an expectation about the direction of…”
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Variation of BOLD hemodynamic responses across subjects and brain regions and their effects on statistical analyses by Handwerker, Daniel A., Ollinger, John M., D'Esposito, Mark

“…Estimates of hemodynamic response functions (HRF) are often integral parts of event-related fMRI analyses. Although HRFs vary across individuals and brain…”
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The emotional modulation of cognitive processing: an fMRI study by Simpson, J R, Ongür, D, Akbudak, E, Conturo, T E, Ollinger, J M, Snyder, A Z, Gusnard, D A, Raichle, M E

“…The functional neuroanatomy of visual processing of surface features of emotionally valenced pictorial stimuli was examined in normal human subjects using…”
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Automatic physiological waveform processing for FMRI noise correction and analysis by Kelley, Daniel J, Oakes, Terrence R, Greischar, Larry L, Chung, Moo K, Ollinger, John M, Alexander, Andrew L, Shelton, Steven E, Kalin, Ned H, Davidson, Richard J

“…Functional MRI resting state and connectivity studies of brain focus on neural fluctuations at low frequencies which share power with physiological…”
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An examination of volumetric and cortical thickness correlates of posttraumatic nightmares in male active duty service members by Paxton Willing, Maegan M., Srikanchana, Rujirutana, Pickett, Treven C., Ollinger, John M., Riggs, David S., Werner, J. Kent, Sours Rhodes, Chandler

“…•Posttraumatic nightmares were not related to structural differences in the brain.•Measures of gray matter volume, cortical surface area, or cortical…”
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Multiple Neural Correlates of Detection in the Human Brain by Shulman, Gordon L., Ollinger, John M., Linenweber, Martin, Petersen, Steven E., Corbetta, Maurizio

“…We used event-related functional MRI to examine the neural consequences of detecting the presence or absence of a stimulus. Subjects detected a brief interval…”
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Increased amygdala response to masked emotional faces in depressed subjects resolves with antidepressant treatment: an fMRI study by Sheline, Yvette I., Barch, Deanna M., Donnelly, Julie M., Ollinger, John M., Snyder, Abraham Z., Mintun, Mark A.

“…Background: The amygdala has a central role in processing emotions, particularly fear. During functional magnetic resonance imaging (fMRI) amygdala activation…”
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Dynamic Causal Modeling applied to fMRI data shows high reliability by Schuyler, Brianna, Ollinger, John M., Oakes, Terrence R., Johnstone, Tom, Davidson, Richard J.

“…Sensitivity, specificity, and reproducibility are vital to interpret neuroscientific results from functional magnetic resonance imaging (fMRI) experiments…”
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Comparison of Brain Activation during Word Retrieval Done Silently and Aloud Using fMRI by Rosen, Howard J., Ojemann, Jeffrey G., Ollinger, John M., Petersen, Steve E.

“…Using functional MRI we compared the patterns of activation in an effortful word retrieval task (stem completion) performed both silently and aloud. The silent…”
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Tract Orientation and Angular Dispersion Deviation Indicator (TOADDI): A framework for single-subject analysis in diffusion tensor imaging by Koay, Cheng Guan, Yeh, Ping-Hong, Ollinger, John M., İrfanoğlu, M. Okan, Pierpaoli, Carlo, Basser, Peter J., Oakes, Terrence R., Riedy, Gerard

“…The purpose of this work is to develop a framework for single-subject analysis of diffusion tensor imaging (DTI) data. This framework is termed Tract…”
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Model-based scatter correction for fully 3D PET by Ollinger, J M

“…A method is presented that directly calculates the mean number of scattered coincidences in data acquired with fully 3D positron emission tomography (PET)…”
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A Parametric Study of Mental Spatial Transformations of Bodies by Zacks, Jeffrey M., Ollinger, John M., Sheridan, Margaret A., Tversky, Barbara

“…Two classes of mental spatial transformation can be distinguished: Object-based spatial transformations are imagined movements of objects; and egocentric…”
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