Search Results - "YAMASHITA, Fumio"

Parietal and occipital leukoaraiosis due to cerebral ischaemic lesions decrease the driving safety performance of healthy older adults by Oba, Hikaru, Park, Kaechang, Yamashita, Fumio, Sato, Shinichi

“…Leukoaraiosis, a common ischaemic lesion diagnosed using magnetic resonance imaging (MRI), can influence driving safety performance (DSP). Most older drivers…”
Get full text

Adult attention-deficit/hyperactivity disorder traits in healthy adults associated with brain volumetric data identify precuneus involvement in traffic crashes by Putra, Handityo Aulia, Park, Kaechang, Oba, Hikaru, Yamashita, Fumio

“…This large-scale study including 2548 healthy adults with no clinical attention-deficit/hyperactivity disorder (ADHD) diagnosis intended to clarify the complex…”
Get full text

Differentiation of early-stage parkinsonisms using neuromelanin-sensitive magnetic resonance imaging by Ohtsuka, Chigumi, Sasaki, Makoto, Konno, Kanako, Kato, Kanako, Takahashi, Junko, Yamashita, Fumio, Terayama, Yasuo

“…Abstract Purpose The purpose of this study was to investigate whether the signal intensity of the substantia nigra pars compacta (SNc) and locus coeruleus (LC)…”
Get full text

Uniformly positive or negative correlation of cerebral gray matter regions with driving safety behaviors of healthy older drivers by Park, Kaechang, Putra, Handityo Aulia, Yoshida, Shinichi, Yamashita, Fumio, Kawaguchi, Atsushi

“…This study investigated the relationship between cerebral gray matter (GM) regions and driving safety behaviors (DSBs) of 98 older drivers without dementia…”
Get full text

Association between the superior longitudinal fasciculus and perceptual organization and working memory: A diffusion tensor imaging study by Koshiyama, Daisuke, Fukunaga, Masaki, Okada, Naohiro, Morita, Kentaro, Nemoto, Kiyotaka, Yamashita, Fumio, Yamamori, Hidenaga, Yasuda, Yuka, Matsumoto, Junya, Fujimoto, Michiko, Kudo, Noriko, Azechi, Hirotsugu, Watanabe, Yoshiyuki, Kasai, Kiyoto, Hashimoto, Ryota

“…•Healthy volunteer subjects (N = 583) underwent a diffusion tensor imaging scan.•The fractional anisotropy of the superior longitudinal fasciculus was…”
Get full text

Association Between Diabetes and Hippocampal Atrophy in Elderly Japanese: The Hisayama Study by Hirabayashi, Naoki, Hata, Jun, Ohara, Tomoyuki, Mukai, Naoko, Nagata, Masaharu, Shibata, Mao, Gotoh, Seiji, Furuta, Yoshihiko, Yamashita, Fumio, Yoshihara, Kazufumi, Kitazono, Takanari, Sudo, Nobuyuki, Kiyohara, Yutaka, Ninomiya, Toshiharu

“…To investigate the association between diabetes and brain or hippocampal atrophy in an elderly population. A total of 1,238 community-dwelling Japanese…”
Get full text

Role of subcortical structures on cognitive and social function in schizophrenia by Koshiyama, Daisuke, Fukunaga, Masaki, Okada, Naohiro, Yamashita, Fumio, Yamamori, Hidenaga, Yasuda, Yuka, Fujimoto, Michiko, Ohi, Kazutaka, Fujino, Haruo, Watanabe, Yoshiyuki, Kasai, Kiyoto, Hashimoto, Ryota

“…Subcortical regions have a pivotal role in cognitive, affective, and social functions in humans, and the structural and functional abnormalities of the regions…”
Get full text

Association Between Diabetes and Gray Matter Atrophy Patterns in a General Older Japanese Population: The Hisayama Study by Hirabayashi, Naoki, Hata, Jun, Furuta, Yoshihiko, Ohara, Tomoyuki, Shibata, Mao, Hirakawa, Yoichiro, Yamashita, Fumio, Yoshihara, Kazufumi, Kitazono, Takanari, Sudo, Nobuyuki, Ninomiya, Toshiharu

“…To examine the association between diabetes and gray matter atrophy patterns in a general older Japanese population. In 2012, a total of 1,189…”
Get full text

Role of frontal white matter and corpus callosum on social function in schizophrenia by Koshiyama, Daisuke, Fukunaga, Masaki, Okada, Naohiro, Morita, Kentaro, Nemoto, Kiyotaka, Yamashita, Fumio, Yamamori, Hidenaga, Yasuda, Yuka, Fujimoto, Michiko, Kelly, Sinead, Jahanshad, Neda, Kudo, Noriko, Azechi, Hirotsugu, Watanabe, Yoshiyuki, Donohoe, Gary, Thompson, Paul M., Kasai, Kiyoto, Hashimoto, Ryota

“…Patients with schizophrenia show severe impairment in social function and have difficulty in their daily social life. Although a recent large-scale multicenter…”
Get full text

Noninvasive Assessment of Oxygen Extraction Fraction in Chronic Ischemia Using Quantitative Susceptibility Mapping at 7 Tesla by Uwano, Ikuko, Kudo, Kohsuke, Sato, Ryota, Ogasawara, Kuniaki, Kameda, Hiroyuki, Nomura, Jun-ichi, Mori, Futoshi, Yamashita, Fumio, Ito, Kenji, Yoshioka, Kunihiro, Sasaki, Makoto

“…BACKGROUND AND PURPOSE—The oxygen extraction fraction (OEF) is an effective metric to evaluate metabolic reserve in chronic ischemia. However, OEF is…”
Get full text

Cerebral gray matter volume correlates with fatigue and varies between desk workers and non-desk workers by Putra, Handityo A., Park, Kaechang, Yamashita, Fumio, Nakagawa, Yoshinori, Murai, Toshiya

“…Chronic fatigue syndrome (CFS), a clinical entity of chronic fatigue, has been associated with a decrease in regional gray matter volume (rGMV). In this study…”
Get full text

The utility of a network–based clustering method for dimension reduction of imaging and non-imaging biomarkers predictive of Alzheimer’s disease by Yoshida, Hisako, Kawaguchi, Atsushi, Yamashita, Fumio, Tsuruya, Kazuhiko

“…While the identification of biomarkers for Alzheimer’s disease (AD) is critical, emphasis must also be placed on defining the relationship between these and…”
Get full text

Aging Brains Degrade Driving Safety Performances of the Healthy Elderly by Park, Kaechang, Renge, Kazumi, Nakagawa, Yoshinori, Yamashita, Fumio, Tada, Masahiro, Kumagai, Yasuhiko

“…The relationship between aging brains and driving safety performances (DSPs) of elderly drivers was studied. A total of 90 dementia-free participants (63 men…”
Get full text

Adverse effects of pre-existing cerebral small vessel disease on cognitive improvement after carotid endarterectomy by Yoshida, Jun, Yamashita, Fumio, Sasaki, Makoto, Yoshioka, Kunihiro, Fujiwara, Shunrou, Kobayashi, Masakazu, Yoshida, Kenji, Kubo, Yoshitaka, Ogasawara, Kuniaki

“…Background Although patients with improved cognition after carotid endarterectomy usually exhibit postoperative restoration of cerebral blood flow, less than…”
Get full text

Detection of changes in the locus coeruleus in patients with mild cognitive impairment and Alzheimer's disease: High-resolution fast spin-echo T1-weighted imaging by Takahashi, Junko, Shibata, Toshihide, Sasaki, Makoto, Kudo, Masako, Yanezawa, Hisashi, Obara, Satoko, Kudo, Kohsuke, Ito, Kenji, Yamashita, Fumio, Terayama, Yasuo

“…Aim Neuronal degeneration in the locus coeruleus occurs in the early phase of Alzheimer's disease, similar to mild cognitive impairment. The locus coeruleus…”
Get full text

Structural Gray Matter Changes in the Hippocampus and the Primary Motor Cortex on An-Hour-to-One- Day Scale Can Predict Arm-Reaching Performance Improvement by Kodama, Midori, Ono, Takashi, Yamashita, Fumio, Ebata, Hiroki, Liu, Meigen, Kasuga, Shoko, Ushiba, Junichi

“…Recent studies have revealed rapid (e.g., hours to days) training-induced cortical structural changes using magnetic resonance imaging (MRI). Currently, there…”
Get full text

An ellipsoid convex enhancement filter for detection of asymptomatic intracranial aneurysm candidates in CAD frameworks by Jin, Ze, Arimura, Hidetaka, Kakeda, Shingo, Yamashita, Fumio, Sasaki, Makoto, Korogi, Yukunori

“…Purpose: Various kinds of enhancement filters have been developed in computer-aided diagnostic (CAD) frameworks for asymptomatic intracranial aneurysms in…”
Get full text

Differentiation of schizophrenia using structural MRI with consideration of scanner differences: A real‐world multisite study by Nemoto, Kiyotaka, Shimokawa, Tetsuya, Fukunaga, Masaki, Yamashita, Fumio, Tamura, Masashi, Yamamori, Hidenaga, Yasuda, Yuka, Azechi, Hirotsugu, Kudo, Noriko, Watanabe, Yoshiyuki, Kido, Mikio, Takahashi, Tsutomu, Koike, Shinsuke, Okada, Naohiro, Hirano, Yoji, Onitsuka, Toshiaki, Yamasue, Hidenori, Suzuki, Michio, Kasai, Kiyoto, Hashimoto, Ryota, Arai, Tetsuaki

“…Aim Neuroimaging studies have revealed that patients with schizophrenia exhibit reduced gray matter volume in various regions. With these findings, various…”
Get full text

Regional gray matter volume correlates to physical and mental fatigue in healthy middle-aged adults by Putra, Handityo Aulia, Park, Kaechang, Yamashita, Fumio, Mizuno, Kei, Watanabe, Yasuyoshi

“…Previous studies on neural/molecular mechanisms of fatigue focused on a variety of brain functions, morphological changes, and neurochemical functions such as…”
Get full text

Voxel-based morphometry to discriminate early Alzheimer's disease from controls by Hirata, Yoko, Matsuda, Hiroshi, Nemoto, Kiyotaka, Ohnishi, Takashi, Hirao, Kentaro, Yamashita, Fumio, Asada, Takashi, Iwabuchi, Satoshi, Samejima, Hirotsugu

“…We assessed the accuracy of voxel-based morphometry (VBM) using a three-dimensional T1-weighted MRI in discriminating Alzheimer's disease (AD) in the very…”
Get full text