Search Results 1-20 of 556

  • Default mode network and schizophrenia  [in Japanese]

    桐野 衛二

    脳神経内科 = Neurology 94(2), 218-224, 2021-02

  • Investigation of the Sense of Agency in Social Cognition, Based on Frameworks of Predictive Coding and Active Inference: A Simulation Study on Multimodal Imitative Interaction

    Wataru Ohata , Jun Tani

    … To evaluate this hypothesis, we built a computational model of imitative interaction between a robot and a human via visuo-proprioceptive sensation with a variational Bayes recurrent neural network, and simulated the model in the form of pseudo-imitative interaction using recorded human body movement data, which serve as the counterpart in the interactions. …

    Frontiers in Neurorobotics (14), 61, 2020-09-07

    IR 

  • Understanding the Neural Mechanisms of Waterfall Illusion Using Network Model of Fly Motion-sensitive Neurons  [in Japanese]

    杉本 健太郎 , 小池 千尋 , 森本 高子 , 青西 亨

    Waterfall illusionとは,一定方向に回転する刺激をしばらく見続けた後に刺激が停止すると,刺激が動いていたときとは逆方向に動いてみえるという錯視である.SrinivasanとDvorakは,実験によりハエがWaterfall illusionを知覚する可能性を示し,さらに,視葉内の動き検知細胞においてその知覚と相関したリバウンド応答および抑制性応答を報告している.これを受け,本研究で …

    情報処理学会論文誌数理モデル化と応用(TOM) 13(2), 10-21, 2020-08-28

    IPSJ 

  • Pyridoxal 5′-Phosphate-Dependent Enzymes at the Crossroads of Host–Microbe Tryptophan Metabolism

    Barbara Cellini , Teresa Zelante , Mirco Dindo , Marina M. Bellet , Giorgia Renga , Luigina Romani , Claudio Costantini

    … The chemical processes taking place in humans intersects the myriad of metabolic pathways occurring in commensal microorganisms that colonize the body to generate a complex biochemical network that regulates multiple aspects of human life. …

    International Journal of Molecular Sciences 21(16), 5823, 2020-08-13

    IR 

  • Text mining 'Malte's notebooks' : Quantitative analysis of 'change' in the first-person narrative  [in Japanese]

    中村 靖子 , Nakamura Yasuko

    本研究は、以下の研究助成による成果の一部です。課題設定による先導的人文学・社会科学研究推進事業(領域開発プログラム)「予測的符号化の原理による心性の創発と共有 : 認知科学・人文学・情報学の総合的研究」, 科学研究費補助金(基盤(B))「予測を生み出す推論装置--文学・数学・美術史・科学哲学史・認知科学からの展望」(課題番号19H01201), 科学研究費補助金(基盤(B))「言説を動かす情動とフ …

    名古屋大学人文学研究論集 (3), 39-63, 2020-03-31

    IR  DOI 

  • Search for flavour-changing neutral currents in processes with one top quark and a photon using 81 fb−1 of pp collisions at √s=13 TeV with the ATLAS experiment

    原 和彦 , 佐藤 構二 , 受川 史彦 , ATLAS Collaboration , Kazuhiko HARA , Koji SATO , Fumihiko UKEGAWA

    … A neural network based on kinematic variables differentiates between events from signal and background processes. … The data are consistent with the background-only hypothesis, and limits are set on the strength of the tqγcoupling in an effective field theory. …

    Physics letters. B (800), 135082, 2020-01

    IR 

  • User-driven Data Exploration Integrating Bioimage Informatics and Visualization Technology  [in Japanese]

    NATSUKAWA Hiroaki , ONOUE Yosuke , KOYAMADA Koji

    <p>本稿では、顕微鏡により計測された細胞の時空間動態を自動的に計測するバイオイメージ・インフォマティクス技術により取得された線虫(C. elegans)の発生ダイナミクスのデータに対して,データ駆動型アプローチの促進を目指した視覚的分析の取り組みを紹介する。線虫の発生過程で現れる細胞の表現型特徴の関係性を示す表現型特徴ネットワークの探索システムや、表現型特徴と遺伝子ネットワークの横断 …

    Journal of the Visualization Society of Japan 40(156), 29-33, 2020

    IR  J-STAGE 

  • Clinical features of dilutional coagulopathy in massive obstetrical hemorrhage: A multicenter retrospective case series study  [in Japanese]

    Tada Katsuhiko , Ogawa Masanobu , Kodama Takashi , Nomiyama Makoto , Mizunoe Tomoya , Miyagi Yasunari , Yasuhi Ichiro , Yoshida Mizuho , Yorozu Moe , Maegawa Yuka , Okura Naofumi , Kawakami Kosuke , Yamaguchi Ken

    <p> 目的:分娩時大量出血で認める希釈性凝固障害(DCP)の臨床データの特徴を単位時間あたりの出血量を用いて説明すること,および産科DICスコアはDCPでも高得点となるという仮説を検証すること.方法:多施設での過去5年間の分娩例から分娩時出血量≧2,000g,フィブリノゲン値<200mg/dL,新鮮凍結血漿投与のうち1つ以上を認める症例を抽出した.このうち必要データの揃った154例を …

    Journal of Japan Society of Perinatal and Neonatal Medicine 56(3), 417-423, 2020

    J-STAGE  Ichushi Web 

  • Modeling and Analysis of Effects on Financial Markets from Influence Relationships in Social Media.  [in Japanese]

    Tamura Koichiro , Matsuo Yutaka

    … On the hypothesis that social media actuate real-world events, we propose a neural network based model to predict the price fluctuations of financial assets, including cryptocurrencies. … We model the effect of social media which cannot be directly observed, using an end-to-end neural network, Recurrent Neural Network. …

    Transactions of the Japanese Society for Artificial Intelligence 35(6), A-K61_1-11, 2020

    J-STAGE 

  • An analysis of small-world characteristics of networks gaze-point made in visual search  [in Japanese]

    Kagaya Fuminori , Matsui Mizuki , Nakayama Naritoshi , Ozawa Makoto , Nomura Taishin , Tsukada Akira , Maeda Yoshinobu

    <p>【目的】ヒトが視覚を用いて選択肢の中からターゲットを探す動作を視覚探索と呼ぶ.視覚探索に要する時間は選択肢の数に対数比例することが知られる(ヒックの法則).すなわち,選択肢の増加に対して探索時間が長くならないように探索が効率化されている.我々は,視覚探索時の注視点の軌跡が紡ぐネットワークがスモールワールド性を持ち,任意の2点の注視点間距離が小さくなることで探索時間が増大しないので …

    Transactions of Japanese Society for Medical and Biological Engineering Annual58(Abstract), 379-379, 2020

    J-STAGE 

  • The Study of Chicken Egg Problem in Subspecies of Software Product:The Perspective of Platform Envelopment Leveraging Developers  [in Japanese]

    KATO Kazuhiko

    … Specifically, the paper raises a hypothesis that the outbreak of derivative products of PF products impedes the same-side and cross-side network effects in the two-sided PF and reduces the competitiveness of PF products. …

    Journal of Information and Management 39(4), 52-61, 2020

    J-STAGE 

  • The impact of hypothesis and prediction in data-driven pharmacological studies  [in Japanese]

    Kaneko Shuji , Nagashima Takuya , Toda Chihiro , Sakai Miyuki , Nagayasu Kazuki

    … To overcome this situation, we have been trying to utilize clinical big data to explore a novel and unexpected hypothesis of drug-drug interaction that leads to the drug repositioning. … We also present our recent effort to predict the binding affinity of theoretically any chemical ligands to a target protein by deep learning of chemical structures and their measured affinity to the target with graph convolutional neural network. …

    Proceedings for Annual Meeting of The Japanese Pharmacological Society 93(0), 2-AS2-4, 2020

    J-STAGE 

  • Preparation and Rheological Properties of Cross-linked Liposomes Using Hydroxypropylmethylcellulose Bearing a Hydrophobic Anchor  [in Japanese]

    Hashizaki Kaname , Umeda Risa , Miura Motofumi , Taguchi Hiroyuki , Fujii Makiko

    … This is thought to be due to the formation of a 3D network structure caused by the hydrophobic group of HM-HPMC penetrating into the liposomal bilayer membrane, crosslinking the liposomes together. … This hypothesis was supported by the fact that gelation did not occur when hydroxypropylmethylcellulose without a hydrophobic group was used. …

    YAKUGAKU ZASSHI 140(3), 435-441, 2020

    J-STAGE  Ichushi Web 

  • Urban Form, Children's Active Travel to/from School, and Travel related Physical Activity

    Lee Jong Seon

    … An increasing number of studies have examined walking behaviour of adults to test the new urbanist hypothesis that design features should support pedestrian activity. … Maps were interpreted from the perspective of (1) sidewalk network, (2) traffic features, and (3) PA locations around the routes to schools. …

    International Review for Spatial Planning and Sustainable Development 8(1), 21-38, 2020

    IR  J-STAGE 

  • Data-driven approaches for unveiling the neurophysiological functions of the auditory system

    Furukawa Shigeto , Terashima Hiroki , Koumura Takuya , Tsukano Hiroaki

    … <p>Typical neurophysiological experiments employ ``hypothesis-driven'' … approaches: Researchers set a specific hypothesis, based on which stimuli and their parameters are chosen. … However, there is always a concern that the hypothesis or stimulus parameter could be irrelevant to the essence of the brain function. …

    Acoustical Science and Technology 41(1), 63-66, 2020

    J-STAGE 

  • Epidemiological study of the involvement between the condition of periodontal tissue to frailty and social capital  [in Japanese]

    杉江 美穂 , 中村 卓 , 小町谷 美帆 , 田口 明 , 宇田川 信之 , 吉成 伸夫 , SUGIE MIHO , NAKAMURA SUGURU , KOMACHIYA MIHIO , TAGUCHI AKIRA , UDAGAWA NOBUYUKI , YOSHIANRI NOBUO

    … period which can return to a healthy state, that is, to extend healthy life span is very important in future medical care.Social capital is characterized as a capital of a social organization that leads cooperative action to achieve the objectives of "social connection: network", "norm", "trust", and has been reported a deep relationship with healthy life.Therefore, by examining the relationship between the health condition of the periodontal tissue, and the frailty and social capital, we focused on the influence on the healthy life from the health …

    松本歯学 = Journal of the Matsumoto Dental University Society 45(1), 1-10, 2019-09-13

    IR  Ichushi Web 

  • The atypical social brain network in autism: Advances in structural and functional MRI studies

    Sato Wataru , Uono Shota

    … Recent findings: According to the hypothesis that the social brain network, which includes brain regions, such as the amygdala and superior temporal sulcus, may be atypical in ASD, recent structural MRI studies have identified regional gray matter volume abnormalities in the social brain regions in ASD groups compared with the typically developing groups. …

    Current Opinion in Neurology 32(4), 617-621, 2019-08-01

    IR 

  • Identification of a unique lamprey gene with tandemly repeated sequences and pharyngeal chondrocyte-specific expression

    守野 孔明 , 和田 洋 , Hiromasa Yokoyama , Yoshiaki Morino , Hiroshi Wada

    … Recent studies have revealed a common cartilage genetic regulatory network among vertebrates, cephalochordates, and arthropods. … It has been proposed that this network was originally established for the dense connective tissues of ancestral invertebrates and subsequently recruited for chondrocyte differentiation in various lineages. … The presence of two distinct matrix proteins in lamprey cartilage supports the hypothesis that true cartilage evolved independently in cyclostomes and gnathostomes. …

    Gene (701), 9-14, 2019-06

    IR 

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