Search Results - "KRAMER, Larry A"

Optic Disc Edema, Globe Flattening, Choroidal Folds, and Hyperopic Shifts Observed in Astronauts after Long-duration Space Flight by Mader, Thomas H., MD, Gibson, C. Robert, OD, Pass, Anastas F., OD, JD, Kramer, Larry A., MD, Lee, Andrew G., MD, Fogarty, Jennifer, PhD, Tarver, William J., MD, Dervay, Joseph P., MD, Hamilton, Douglas R., MD, PhD, Sargsyan, Ashot, MD, Phillips, John L., PhD, Tran, Duc, DO, Lipsky, William, MD, Choi, Jung, OD, Stern, Claudia, MD, PhD, Kuyumjian, Raffi, MD, Polk, James D., DO

“…Purpose To describe the history, clinical findings, and possible etiologies of ophthalmic findings discovered in 7 astronauts after long-duration space flight,…”
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Functional assessment of the dural lymphatic vessels using dynamic contrast MRI in multiple sclerosis by Gabr, Refaat E., Lincoln, John A., Hasan, Khader M., Kramer, Larry A.

“…Background and purpose The discovery of glymphatic function in the human brain has generated interest in waste clearance mechanisms in neurological disorders…”
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Diffusion tensor tractography of the human brain cortico-ponto-cerebellar pathways: A quantitative preliminary study by Kamali, Arash, Kramer, Larry A., Frye, Richard E., Butler, Ian J, Hasan, Khader M.

“…Purpose To investigate the utility of diffusion tensor tractography at 1mm slice thickness to map and quantify the whole trajectory of different…”
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Working memory and corpus callosum microstructural integrity after pediatric traumatic brain injury: a diffusion tensor tractography study by Treble, Amery, Hasan, Khader M, Iftikhar, Amal, Stuebing, Karla K, Kramer, Larry A, Cox, Jr, Charles S, Swank, Paul R, Ewing-Cobbs, Linda

“…Deficits in working memory (WM) are a common consequence of pediatric traumatic brain injury (TBI) and are believed to contribute to difficulties in a range of…”
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Development and aging of the healthy human brain uncinate fasciculus across the lifespan using diffusion tensor tractography by Hasan, Khader M, Iftikhar, Amal, Kamali, Arash, Kramer, Larry A, Ashtari, Manzar, Cirino, Paul T, Papanicolaou, Andrew C, Fletcher, Jack M, Ewing-Cobbs, Linda

“…Abstract The human brain uncinate fasciculus (UF) is an important cortico-cortical white matter pathway that directly connects the frontal and temporal lobes,…”
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Distinguishing and quantification of the human visual pathways using high-spatial-resolution diffusion tensor tractography by Kamali, Arash, Hasan, Khader M, Adapa, Pavani, Razmandi, Azadeh, Keser, Zafer, Lincoln, John, Kramer, Larry A

“…Abstract Quantification of the living human visual system using MRI methods has been challenging, but several applications demand a reliable and time-efficient…”
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Quantification of the spatiotemporal microstructural organization of the human brain association, projection and commissural pathways across the lifespan using diffusion tensor tractography by Hasan, Khader M., Kamali, Arash, Abid, Humaira, Kramer, Larry A., Fletcher, Jack M., Ewing-Cobbs, Linda

“…Using diffusion tensor tractography, we quantified the microstructural changes in the association, projection, and commissural compact white matter pathways of…”
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Diffusion tensor tractography quantification of the human corpus callosum fiber pathways across the lifespan by Hasan, Khader M, Kamali, Arash, Iftikhar, Amal, Kramer, Larry A, Papanicolaou, Andrew C, Fletcher, Jack M, Ewing-Cobbs, Linda

“…Abstract Several anatomical attributes of the human corpus callosum (CC) including the midsagittal cross-sectional area, thickness, and volume, have been used…”
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Diffusion tensor imaging and decision making in cocaine dependence by Lane, Scott D, Steinberg, Joel L, Ma, Liangsuo, Hasan, Khader M, Kramer, Larry A, Zuniga, Edward A, Narayana, Ponnada A, Moeller, Frederick Gerard

“…Chronic stimulant abuse is associated with both impairment in decision making and structural abnormalities in brain gray and white matter. Recent data suggest…”
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Reduced Anterior Corpus Callosum White Matter Integrity is Related to Increased Impulsivity and Reduced Discriminability in Cocaine-Dependent Subjects: Diffusion Tensor Imaging by MOELLER, Frederick Gerard, HASAN, Khader M, STEINBERG, Joel L, KRAMER, Larry A, DOUGHERTY, Donald M, SANTOS, Rafael M, VALDES, Ignacio, SWANN, Alan C, BARRATT, Ernest S, NARAYANA, Ponnada A

“…Brain imaging studies find evidence of prefrontal cortical dysfunction in cocaine-dependent subjects. Similarly, cocaine-dependent subjects have problems with…”
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Incidental Detection of a Rare Pediatric High-Grade Fibrosarcoma in a Post-traumatic Setting: The Conundrum of Intra-Abdominal Hematoma versus Neoplasia by Khalaj, Kamand, Fattahi, Nikoo, Omo-Ogboi, Allen C., Thomas-Ogunniyi, Jaiyeola O., Ogunleye, Olanrewaju A., Khanal, Ashish, Kramer, Larry A.

“…Infantile fibrosarcoma (IF) is a rare malignant fibroblastic tumor that affects infants and young children, occurring most commonly in the extremities. Here,…”
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Optic nerve sheath diameter and spaceflight: defining shortcomings and future directions by Fall, Dylan A., Lee, Andrew G., Bershad, Eric M., Kramer, Larry A., Mader, Thomas H., Clark, Jonathan B., Hirzallah, Mohammad I.

“…Neuro-ocular changes during long-duration space flight are known as spaceflight-associated neuro-ocular syndrome (SANS). The ability to detect, monitor, and…”
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Human brain atlas-based volumetry and relaxometry: Application to healthy development and natural aging by Hasan, Khader M., Walimuni, Indika S., Kramer, Larry A., Frye, Richard E.

“…This work investigated the feasibility and utility of using T2‐weighted or dual spin‐echo data to provide volume and T2 relaxation time for regional and global…”
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Diffusion tensor quantification of the human midsagittal corpus callosum subdivisions across the lifespan by Hasan, Khader M, Kamali, Arash, Kramer, Larry A, Papnicolaou, Andrew C, Fletcher, Jack M, Ewing-Cobbs, Linda

“…Abstract The midsagittal corpus callosum (CC) cross-sectional area subdivisions have been used as early and sensitive markers of human brain white matter…”
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Mr-derived cerebral spinal fluid hydrodynamics as a marker and a risk factor for intracranial hypertension in astronauts exposed to microgravity by Kramer, Larry A., Hasan, Khader M., Sargsyan, Ashot E., Wolinsky, Jerry S., Hamilton, Douglas R., Riascos, Roy F., Carson, William K., Heimbigner, Jared, Patel, Vipulkumar S., Romo, Seferino, Otto, Christian

“…Purpose To quantify the change in cerebral spinal fluid (CSF) production rate and maximum systolic velocity in astronauts before and after exposure to…”
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Predicting behavioral deficits in pediatric traumatic brain injury through uncinate fasciculus integrity by Johnson, Chad P, Juranek, Jenifer, Kramer, Larry A, Prasad, Mary R, Swank, Paul R, Ewing-Cobbs, Linda

“…Behavioral dysregulation is a common and detrimental consequence of traumatic brain injury (TBI) in children that contributes to poor academic achievement and…”
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Heparin for Vertebral Intraluminal Thrombus Causing Retroperitoneal Hemorrhage from Occult Renal Angiomyolipoma by Hsieh, Billie, Tariq, Muhammad B., Ibrahim, Lamya, Khanpara, Shekhar D., Kramer, Larry A., Savitz, Sean I.

“…Abstract Stroke is a common cause of mortality and serious long-term disability worldwide. In the acute setting, current American Heart Association/American…”
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MRI-derived diffusion parameters in the human optic nerve and its surrounding sheath during head-down tilt by Gerlach, Darius A., Marshall-Goebel, Karina, Hasan, Khader M., Kramer, Larry A., Alperin, Noam, Rittweger, Joern

“…More than half of astronauts present with significant neuro-ophthalmic findings during 6-month missions onboard the International Space Station. Although the…”
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Intracranial Effects of Microgravity: A Prospective Longitudinal MRI Study by Kramer, Larry A, Hasan, Khader M, Stenger, Michael B, Sargsyan, Ashot, Laurie, Steven S, Otto, Christian, Ploutz-Snyder, Robert, Marshall-Goebel, Karina, Riascos, Roy E, Macias, Brandon R

“…Purpose of Research: To investigate the intracranial effects of microgravity by measuring combined changes in intracranial volumetric parameters, pituitary…”
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The Importance of the Intracranial Compartment in the Development of Spaceflight-Associated Neuro-ocular Syndrome-Reply by Marshall-Goebel, Karina, Kramer, Larry A, Macias, Brandon R

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