Search Results 1-20 of 372

  • Widespread and lateralized social brain activity for processing dynamic facial expressions

    Sato Wataru , Kochiyama Takanori , Uono Shota , Sawada Reiko , Kubota Yasutaka , Yoshimura Sayaka , Toichi Motomi

    … A number of previous neuroimaging studies have explored the neural mechanisms underlying the processing of dynamic facial expressions, and indicated the activation of certain social brain regions (e.g., the amygdala) during such tasks. … However, the activated brain regions were inconsistent across studies, and their laterality was rarely evaluated. …

    Human Brain Mapping 40(13), 3753-3768, 2019-09


  • Medical care of epilepsy faces to brain function  [in Japanese]

    重藤 寛史

    認知神経科学 = Japanese journal of cognitive neuroscience 21(1), 10-20, 2019-04

    Ichushi Web 

  • Development of a Whole-brain Imaging System at Subcellular Resolution for Analysis of Animal Models of Neuropsychiatric Disorders  [in Japanese]

    Seiriki Kaoru

    … <p>Brain functions are performed by highly interconnected neurons distributed across the whole brain. … Imaging of the whole brain at subcellular resolution is crucial for precise understanding of the pathological and therapeutic mechanisms of neuropsychiatric disorders; … however, microscopic imaging of the whole brain remains a challenge due to the trade-offs between imaging speed and spatial resolution. …

    YAKUGAKU ZASSHI 139(12), 1501-1507, 2019


  • Intraoperative Monitoring for Glioma Surgery  [in Japanese]

    Saito Taiichi , Muragaki Yoshihiro , Tamura Manabu , Maruyama Takashi , Kawamata Takakazu

    … To preserve brain function and avoid major postoperative morbidity, various intraoperative neurophysiological monitoring methods have been introduced in clinical practice. … Functional mapping during awake craniotomy can be used to detect individual eloquent tissues of motor function and to observe patient's voluntary movement with an aim of preventing unexpected deficits and promote extensive resection. …

    Japanese Journal of Neurosurgery 28(11), 705-714, 2019


  • Anatomy and physiology of the auditory system related to cochlear implantation: based on cutting-edge research.  [in Japanese]

    Yamamoto Norio

    … Thus, a much deeper understanding of the auditory pathway is necessary so that more efficient techniques of surgery or mapping can be established and better outcomes of CI achieved.</p><p> … In this review, I present the findings of some cutting-edge research on the auditory pathway and CI conducted using molecular biological, genetic, or functional brain imaging techniques, as well as established knowledge on the auditory pathway.</p> …

    AUDIOLOGY JAPAN 62(3), 187-195, 2019

    J-STAGE  Ichushi Web 

  • Psychogenic Pseudo-responses in an Electrical Cortical Stimulation

    TAMADA Tomoaki , ENATSU Rei , SUZUKI Yuto , YOKOYAMA Rintaro , SUZUKI Hime , OCHI Satoko , MIKUNI Nobuhiro

    … <p>An electrical cortical stimulation provides important information for functional brain mapping. …

    Neurologia medico-chirurgica 59(7), 287-290, 2019


  • Presurgical Evaluations for Epilepsy Surgery : State-of-the-Art 2019  [in Japanese]

    Matsumoto Riki , Miyamoto Susumu , Kikuchi Takayuki , Yamao Yukihiro , Nakae Takuro , Kobayashi Katsuya , Shimotake Akihiro , Yoshida Kazumichi , Kunieda Takeharu , Ikeda Akio

    … In this review, we introduce the important concepts for presurgical evaluation for epilepsy surgery : epileptogenic zone, seizure onset zone, irritative zone, ictal symptomatogenic zone, functional deficit zone, and epileptogenic lesion. …

    Japanese Journal of Neurosurgery 28(6), 316-325, 2019

    J-STAGE  Ichushi Web 

  • Whole-brain activity mapping at single-cell resolution  [in Japanese]

    Kasai Atsushi , Seiriki Kaoru , Hashimoto Hitoshi

    … <p>The neuronal activity forms the basis of functional circuits and brain functions. … To understand how the brain operates, recording of neural activity at micro-, meso-, and macro-scales is required. … Recently, improved optical microscopic technology helps us to develop a whole-brain imaging system at a single-cell resolution. …

    Folia Pharmacologica Japonica 153(6), 278-283, 2019

    J-STAGE  Ichushi Web 

  • Supratotal Resection of Diffuse Frontal Lower Grade Gliomas with Awake Brain Mapping, Preserving Motor, Language, and Neurocognitive Functions

    Motomura Kazuya , Chalise Lushun , Ohka Fumiharu , Aoki Kosuke , Tanahashi Kuniaki , Hirano Masaki , Nishikawa Tomohide , Wakabayashi Toshihiko , Natsume Atsushi

    … The aim of the present study was to assess the surgical outcomes of awake brain mapping to achieve supratotal resection with determination of the normal brain tissue boundaries beyond the tumor of frontal LGGs, in both dominant and nondominant hemispheres. … Results: The frontal aslant tract was identified as the functional boundary in 4 of 5 left frontal tumor cases (80%). …

    World Neurosurgery (119), 30-39, 2018-11


  • Effects of behavioural activation on the neural circuit related to intrinsic motivation

    Mori Asako , Okamoto Yasumasa , Okada Go , Takagaki Koki , Takamura Masahiro , Jinnin Ran , Ichikawa Naho , Yamamura Takanao , Yokoyama Satoshi , Shiota Syouichi , Yoshino Atsuo , Miyake Yosie , Okamoto Yuri , Matsumoto Madoka , Matsumoto Kenji , Yamawaki Shigeto

    … The participants underwent functional magnetic resonance imaging scanning on two separate occasions while performing a stopwatch task based on intrinsic motivation. … We investigated changes in neural activity and functional connectivity after behavioural activation.[Results] After behavioural activation, the intervention group had increased activation and connectivity in the frontostriatal region compared with the non-intervention group. …

    BJPsych Open 4(5), 317-323, 2018-08-02


  • Whole-brain imaging analysis of animal models of neuropsychiatric disorders  [in Japanese]

    Seiriki Kaoru , Kasai Atsushi , Hashimoto Hitoshi

    … The brain consists of various brain regions, and each brain region has specific functions such as motor regulation, sensory perception and cognitive function. …

    Japanese Journal of Biological Psychiatry 29(1), 22-26, 2018

    J-STAGE  Ichushi Web 

  • Neuroimaging study and non–invasive brain stimulation for central poststroke pain  [in Japanese]

    細見 晃一 , 清水 豪士 , 眞野 智生 , 森 信彦 , 渡邉 嘉之 , 柴田 政彦 , 貴島 晴彦 , 齋藤 洋一

    … In this paper, we summarized the feature of CPSP, and reviewed non–invasive brain stimulation therapies for treating CPSP and neuroimaging studies to investigate mechanisms of CPSP, including our studies.</p><p>Repetitive transcranial magnetic stimulation (rTMS) is a non–invasive means to stimulate the brain from the outside of the scalp, and can induce a plastic change in brain functions. …

    PAIN RESEARCH 33(4), 282-293, 2018

    J-STAGE  Ichushi Web 

  • Quantitative Understanding of How the Brain sees the World : Present Status and Future Outlook  [in Japanese]

    Nishimoto Shinji , Fukuma Ryohei , Yanagisawa Takufumi , Kishima Haruhiko

    … <p>  Recent advances in the methods of brain activity measurement and machine learning have facilitated research into how our brains work under naturalistic perceptual and cognitive conditions. …

    Japanese Journal of Neurosurgery 27(12), 896-903, 2018

    J-STAGE  Ichushi Web 

  • Auditory neuroimaging—up to date—  [in Japanese]

    Minami Shujiro

    … Brodmann's areas became a major guide to neuroscientists and the morphological differences were linked to functional differences. … Furthermore, brain scientists had a desire to see the contents of living human brain. … Neuroimaging is to measure and visualize the physiological activity of each part in the living brain using various methods and has contributed progress of medical imaging equipment. …

    Otology Japan 28(1), 9-13, 2018

    J-STAGE  Ichushi Web 

  • Voxel-based lesion-symptom mapping  [in Japanese]

    Kinno Ryuta

    … Detailed studies of single cases, such as Tan, HM, and others allow us to model the relationship between the brain and its functional outcomes. … Voxel-based lesion-symptom mapping (VLSM) is a method that can be used to statistically validate such relationships in group studies of patients. …

    Japanese Journal of Neuropsychology 34(3), 209-217, 2018

    J-STAGE  Ichushi Web 

  • Application of Awake Surgery for Epilepsy in Clinical Practice

    MAESAWA Satoshi , NAKATSUBO Daisuke , FUJII Masazumi , IIJIMA Kentaro , KATO Sachiko , ISHIZAKI Tomotaka , SHIBATA Masashi , WAKABAYASHI Toshihiko

    … Intraoperatively, under awake conditions, sensorimotor mapping was performed; … Language mapping was performed in four cases, and language areas were identified in three cases. … In one case with a left parietal arteriovenous malformation (AVM) scar, language centers were not identified, probably because of a functional shift. … intraoperative ECoG evaluation and functional mapping allow functional preservation. …

    Neurologia medico-chirurgica, 2018


  • Strategy for epilepsy surgery: mapping the dual language pathways for preservation of language function  [in Japanese]

    Matsumoto Riki , Shimotake Akihiro , Yamao Yukihiro , Kikuchi Takayuki , Kunieda Takeharu

    … After detailed investigations for probing the epileptic focus and surrounding functional brain regions, tailor-made resection of the epileptic focus is performed seeking for seizure freedom. … We here report the comprehensive language mapping of the dual language pathway, its clinical application to awake brain surgery, and the novel findings for neural basis of the language dual stream. …

    Japanese Journal of Neuropsychology 34(2), 124-134, 2018

    J-STAGE  Ichushi Web 

  • About foreign accent syndrome  [in Japanese]

    Higashiyama Yuichi , Tanaka Fumiaki

    … However, various lesions were reported to develop FAS, including the right hemisphere, the brain stem, and the cerebellum. … In addition, the lesion network mapping analysis using the lesions of the previous FAS cases without aphasia suggested that the common disrupted functional network might be localized to the middle portion of the precentral gyrus, known as the larynx / phonation area.</p> …

    Japanese Journal of Neuropsychology 34(1), 45-62, 2018

    J-STAGE  Ichushi Web 

  • A resilient, non-neuronal source of the spatiotemporal lag structure detected by bold signal-based blood flow tracking

    Aso Toshihiko , Jiang Guanhua , Urayama Shin Ichi , Fukuyama Hidenao

    … Recent evidence has suggested that blood oxygenation level-dependent (BOLD) signals convey information about brain circulation via low frequency oscillation of systemic origin (sLFO) that travels through the vascular structure ("lag mapping"). … The first experiment investigated the effect of denoising and the second was designed to study the effect of subject behavior on lag mapping. …

    Frontiers in Neuroscience (11), 2017-05-11


  • Investigation of Areas of the Brain Activated by Reading Japanese Words Written in Hiragana and Katakana Characters:—A Functional MRI Study—  [in Japanese]

    Takayama Misaki , Onishi Hideo , Shiromoto Osamu , Muranaka Hiroyuki

    … <p>The aim of this study was to identify activation areas of the brain for reading aloud Japanese words written in Hiragana and Katakana characters in 17 healthy female volunteers (age: 21.4±0.5 y) using functional magnetic resonance imaging (fMRI). … We evaluated activated areas of the brain using statistical parametric mapping 2 (SMP2). …

    The Japan Journal of Logopedics and Phoniatrics 58(2), 143-151, 2017

    J-STAGE  Ichushi Web 

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