Search Results - "HORI, Masaaki"

Advantages of Using Both Voxel- and Surface-based Morphometry in Cortical Morphology Analysis: A Review of Various Applications by Goto, Masami, Abe, Osamu, Hagiwara, Akifumi, Fujita, Shohei, Kamagata, Koji, Hori, Masaaki, Aoki, Shigeki, Osada, Takahiro, Konishi, Seiki, Masutani, Yoshitaka, Sakamoto, Hajime, Sakano, Yasuaki, Kyogoku, Shinsuke, Daida, Hiroyuki

“…Surface-based morphometry (SBM) is extremely useful for estimating the indices of cortical morphology, such as volume, thickness, area, and gyrification,…”
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Quantitative evaluation of striatal uptake ratios using an adaptive template registration method for 123I-ioflupane dopamine transporter SPECT by Mizumura, Sunao, Tamamura, Naoyuki, Ebina, Junya, Watanabe, Hikaru, Hori, Masaaki

“…Introduction 123 I-FP-CIT ( 123 I-Ioflupane) SPECT shows strong accumulation in the striatum, but morphological standardization is challenging due to low…”
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Myelin Measurement: Comparison Between Simultaneous Tissue Relaxometry, Magnetization Transfer Saturation Index, and T1w/T2w Ratio Methods by Hagiwara, Akifumi, Hori, Masaaki, Kamagata, Koji, Warntjes, Marcel, Matsuyoshi, Daisuke, Nakazawa, Misaki, Ueda, Ryo, Andica, Christina, Koshino, Saori, Maekawa, Tomoko, Irie, Ryusuke, Takamura, Tomohiro, Kumamaru, Kanako Kunishima, Abe, Osamu, Aoki, Shigeki

“…Magnetization transfer (MT) imaging has been widely used for estimating myelin content in the brain. Recently, two other approaches, namely simultaneous tissue…”
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Gray Matter Abnormalities in Idiopathic Parkinson's Disease: Evaluation by Diffusional Kurtosis Imaging and Neurite Orientation Dispersion and Density Imaging by Kamagata, Koji, Zalesky, Andrew, Hatano, Taku, Ueda, Ryo, Di Biase, Maria Angelique, Okuzumi, Ayami, Shimoji, Keigo, Hori, Masaaki, Caeyenberghs, Karen, Pantelis, Christos, Hattori, Nobutaka, Aoki, Shigeki

“…Mapping gray matter (GM) pathology in Parkinson's disease (PD) with conventional MRI is challenging, and the need for more sensitive brain imaging techniques…”
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Neurite orientation dispersion and density imaging in the substantia nigra in idiopathic Parkinson disease by Kamagata, Koji, Hatano, Taku, Okuzumi, Ayami, Motoi, Yumiko, Abe, Osamu, Shimoji, Keigo, Kamiya, Kouhei, Suzuki, Michimasa, Hori, Masaaki, Kumamaru, Kanako K., Hattori, Nobutaka, Aoki, Shigeki

“…Objectives We used neurite orientation dispersion and density imaging (NODDI) to quantify changes in the substantia nigra pars compacta (SNpc) and striatum in…”
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An Essential Role of the Intraparietal Sulcus in Response Inhibition Predicted by Parcellation-Based Network by Osada, Takahiro, Ohta, Shinri, Ogawa, Akitoshi, Tanaka, Masaki, Suda, Akimitsu, Kamagata, Koji, Hori, Masaaki, Aoki, Shigeki, Shimo, Yasushi, Hattori, Nobutaka, Shimizu, Takahiro, Enomoto, Hiroyuki, Hanajima, Ritsuko, Ugawa, Yoshikazu, Konishi, Seiki

“…The posterior parietal cortex (PPC) features close anatomical and functional relationships with the prefrontal cortex. However, the necessity of the PPC in…”
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Neuromelanin imaging and midbrain volumetry in progressive supranuclear palsy and Parkinson's disease by Taniguchi, Daisuke, Hatano, Taku, Kamagata, Koji, Okuzumi, Ayami, Oji, Yutaka, Mori, Akio, Hori, Masaaki, Aoki, Shigeki, Hattori, Nobutaka

“…ABSTRACT Background Nigral degeneration patterns differ between PSP and PD. However, the relationship between nigral degeneration and midbrain atrophy in PSP…”
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A prospective randomized study comparing effects of empagliflozin to sitagliptin on cardiac fat accumulation, cardiac function, and cardiac metabolism in patients with early-stage type 2 diabetes: the ASSET study by Hiruma, Shigenori, Shigiyama, Fumika, Hisatake, Shinji, Mizumura, Sunao, Shiraga, Nobuyuki, Hori, Masaaki, Ikeda, Takanori, Hirose, Takahisa, Kumashiro, Naoki

“…While the cardioprotective benefits of sodium-glucose cotransporter-2 (SGLT2) inhibitors have been established in patients with cardiovascular disease (CVD),…”
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Noninvasive Magnetic Resonance Imaging Measures of Glymphatic System Activity by Kamagata, Koji, Saito, Yuya, Andica, Christina, Uchida, Wataru, Takabayashi, Kaito, Yoshida, Seina, Hagiwara, Akifumi, Fujita, Shohei, Nakaya, Moto, Akashi, Toshiaki, Wada, Akihiko, Kamiya, Kouhei, Hori, Masaaki, Aoki, Shigeki

“…The comprehension of the glymphatic system, a postulated mechanism responsible for the removal of interstitial solutes within the central nervous system (CNS),…”
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Microstructural Damage in Normal-Appearing Brain Parenchyma and Neurocognitive Dysfunction in Adult Moyamoya Disease by Hara, Shoko, Hori, Masaaki, Murata, Syo, Ueda, Ryo, Tanaka, Yoji, Inaji, Motoki, Maehara, Taketoshi, Aoki, Shigeki, Nariai, Tadashi

“…BACKGROUND AND PURPOSE―Microstructural damage in the brain induced by chronic ischemia is suggested to play a pivotal role in the neurocognitive dysfunction of…”
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Technical Basics of Diffusion-Weighted Imaging by Hori, Masaaki, Kamiya, Kouhei, Murata, Katsutoshi

“…Diffusion-weighted images provide a unique contrast that shows the ability to assess tissue structure and condition on a micrometer scale. Notably, these…”
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Scan–rescan and inter-vendor reproducibility of neurite orientation dispersion and density imaging metrics by Andica, Christina, Kamagata, Koji, Hayashi, Takuya, Hagiwara, Akifumi, Uchida, Wataru, Saito, Yuya, Kamiya, Kouhei, Fujita, Shohei, Akashi, Toshiaki, Wada, Akihiko, Abe, Masahiro, Kusahara, Hiroshi, Hori, Masaaki, Aoki, Shigeki

“…Purpose The reproducibility of neurite orientation dispersion and density imaging (NODDI) metrics in the human brain has not been explored across different…”
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Microstructural white matter abnormalities in multiple sclerosis and neuromyelitis optica spectrum disorders: Evaluation by advanced diffusion imaging by Kato, Shimpei, Hagiwara, Akifumi, Yokoyama, Kazumasa, Andica, Christina, Tomizawa, Yuji, Hoshino, Yasunobu, Uchida, Wataru, Nishimura, Yuma, Fujita, Shohei, Kamagata, Koji, Hori, Masaaki, Hattori, Nobutaka, Abe, Osamu, Aoki, Shigeki

“…Despite differences in the pathogenesis and treatment of multiple sclerosis (MS) and neuromyelitis optica spectrum disorders (NMOSD), it remains difficult to…”
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Differentiation of high-grade and low-grade intra-axial brain tumors by time-dependent diffusion MRI by Maekawa, Tomoko, Hori, Masaaki, Murata, Katsutoshi, Feiweier, Thorsten, Kamiya, Kouhei, Andica, Christina, Hagiwara, Akifumi, Fujita, Shohei, Koshino, Saori, Akashi, Toshiaki, Kamagata, Koji, Wada, Akihiko, Abe, Osamu, Aoki, Shigeki

“…Oscillating gradient spin-echo (OGSE) sequences enable acquisitions with shorter diffusion times. There is growing interest in the effect of diffusion time on…”
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Spatial distribution of multiple sclerosis lesions in the cervical spinal cord by Eden, Dominique, Gros, Charley, Badji, Atef, Dupont, Sara M, De Leener, Benjamin, Maranzano, Josefina, Zhuoquiong, Ren, Liu, Yaou, Granberg, Tobias, Ouellette, Russell, Stawiarz, Leszek, Hillert, Jan, Talbott, Jason, Bannier, Elise, Kerbrat, Anne, Edan, Gilles, Labauge, Pierre, Callot, Virginie, Pelletier, Jean, Audoin, Bertrand, Rasoanandrianina, Henitsoa, Brisset, Jean-Christophe, Valsasina, Paola, Rocca, Maria A, Filippi, Massimo, Bakshi, Rohit, Tauhid, Shahamat, Prados, Ferran, Yiannakas, Marios, Kearney, Hugh, Ciccarelli, Olga, Smith, Seth A, Andrada Treaba, Constantina, Mainero, Caterina, Lefeuvre, Jennifer, Reich, Daniel S, Nair, Govind, Shepherd, Timothy M, Charlson, Erik, Tachibana, Yasuhiko, Hori, Masaaki, Kamiya, Kouhei, Chougar, Lydia, Narayanan, Sridar, Cohen-Adad, Julien

“…Spinal lesions hold important diagnostic and prognostic value for multiple sclerosis, but the contribution of lesion location to clinical status is not well…”
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Age-Related Changes in Relaxation Times, Proton Density, Myelin, and Tissue Volumes in Adult Brain Analyzed by 2-Dimensional Quantitative Synthetic Magnetic Resonance Imaging by Hagiwara, Akifumi, Fujimoto, Kotaro, Kamagata, Koji, Murata, Syo, Irie, Ryusuke, Kaga, Hideyoshi, Someya, Yuki, Andica, Christina, Fujita, Shohei, Kato, Shimpei, Fukunaga, Issei, Wada, Akihiko, Hori, Masaaki, Tamura, Yoshifumi, Kawamori, Ryuzo, Watada, Hirotaka, Aoki, Shigeki

“…OBJECTIVESQuantitative synthetic magnetic resonance imaging (MRI) enables the determination of fundamental tissue properties, namely, T1 and T2 relaxation…”
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Deep Learning Approach for Generating MRA Images From 3D Quantitative Synthetic MRI Without Additional Scans by Fujita, Shohei, Hagiwara, Akifumi, Otsuka, Yujiro, Hori, Masaaki, Takei, Naoyuki, Hwang, Ken-Pin, Irie, Ryusuke, Andica, Christina, Kamagata, Koji, Akashi, Toshiaki, Kunishima Kumamaru, Kanako, Suzuki, Michimasa, Wada, Akihiko, Abe, Osamu, Aoki, Shigeki

“…OBJECTIVESQuantitative synthetic magnetic resonance imaging (MRI) enables synthesis of various contrast-weighted images as well as simultaneous quantification…”
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Repeatability and reproducibility of human brain morphometry using three‐dimensional magnetic resonance fingerprinting by Fujita, Shohei, Buonincontri, Guido, Cencini, Matteo, Fukunaga, Issei, Takei, Naoyuki, Schulte, Rolf F., Hagiwara, Akifumi, Uchida, Wataru, Hori, Masaaki, Kamagata, Koji, Abe, Osamu, Aoki, Shigeki

“…Three‐dimensional (3D) Magnetic resonance fingerprinting (MRF) permits whole‐brain volumetric quantification of T1 and T2 relaxation values, potentially…”
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Advancements in Diffusion MRI Tractography for Neurosurgery by Kamagata, Koji, Andica, Christina, Uchida, Wataru, Takabayashi, Kaito, Saito, Yuya, Lukies, Matthew, Hagiwara, Akifumi, Fujita, Shohei, Akashi, Toshiaki, Wada, Akihiko, Hori, Masaaki, Kamiya, Kouhei, Zalesky, Andrew, Aoki, Shigeki

“…Diffusion magnetic resonance imaging tractography is a noninvasive technique that enables the visualization and quantification of white matter tracts within…”
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Application of neurite orientation dispersion and density imaging or diffusion tensor imaging to quantify the severity of cervical spondylotic myelopathy and to assess postoperative neurologic recovery by Okita, Genki, Ohba, Tetsuro, Takamura, Tomohiro, Ebata, Shigeto, Ueda, Ryo, Onishi, Hiroshi, Haro, Hirotaka, Hori, Masaaki

“…Surgical outcome and the severity of cervical spondylotic myelopathy (CSM) are unpredictable and cannot be estimated by conventional anatomical magnetic…”
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