Search Results - "TAKAHASHI, YASUMASA"

Measuring network's entropy in ADHD: A new approach to investigate neuropsychiatric disorders by Sato, João Ricardo, Takahashi, Daniel Yasumasa, Hoexter, Marcelo Queiroz, Massirer, Katlin Brauer, Fujita, André

“…The application of graph analysis methods to the topological organization of brain connectivity has been a useful tool in the characterization of brain related…”
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Connectivity Inference between Neural Structures via Partial Directed Coherence by Yasumasa Takahashi, Daniel, Antonio Baccal, Luiz, Sameshima, Koichi

“…This paper describes the rigorous asymptotic distributions of the recently introduced partial directed coherence (PDC) - a frequency domain description of…”
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Discriminating different classes of biological networks by analyzing the graphs spectra distribution by Takahashi, Daniel Yasumasa, Sato, João Ricardo, Ferreira, Carlos Eduardo, Fujita, André

“…The brain's structural and functional systems, protein-protein interaction, and gene networks are examples of biological systems that share some features of…”
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Stratospheric ozone and quasi-biennial oscillation (QBO) interaction with the tropical troposphere on intraseasonal and interannual timescales: a normal-mode perspective by Raphaldini, Breno, Teruya, André S. W, Leite da Silva Dias, Pedro, Massaroppe, Lucas, Takahashi, Daniel Yasumasa

“…The Madden–Julian oscillation (MJO) is the main controller of the weather in the tropics on intraseasonal timescales, and recent research provides evidence…”
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A Case of Perianal Mucinous Adenocarcinoma Arising from an Anorectal Fistula Successfully Resected after Preoperative Radiotherapy by Ohta, Ryo, Sekikawa, Koji, Goto, Manabu, Narita, Kazuhiro, Takahashi, Yasumasa, Ikeda, Hironari, Oneyama, Masataka, Hirata, Yudai, Nakayama, Mikihiro, Shimoda, Yohta, Sato, Syun

“…A case of mucinous adenocarcinoma arising on a long-standing anorectal fistula is described. A 60-year-old man with a long history of mucinous discharge, pain…”
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SCHWANNOMA OF THE GALLBLADDER: REPORT OF A CASE by OHTA, RYO, HIRATA, YUDAI, ONEYAMA, MASATAKA, TAKAHASHI, YASUMASA, KAWAHARA, YUICHI, KITAMURA, MASAYA, GOTO, MANABU, SEKIKAWA, KOJI, TAKENOSHITA, SEIICHI

“…We report a schwannoma of the gallbladder in a 58-year-old man who was diagnosed as cholecystolithiasis. He presented with recurrent episodes of abdominal pain…”
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Comparison of virtual cystoscopy and transabdominal ultrasonography with conventional cystoscopy for bladder tumor detection by Lopes, Roberto Iglesias, Nogueira, Lucienne, Albertotti, Cezar José, Takahashi, Daniel Yasumasa, Lopes, Roberto Nicomedes

“…We compare virtual cystoscopy (VC) and transabdominal ultrasonography (US) with conventional cystoscopy (CC),the gold standard, for detection of bladder…”
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Alzheimer's disease qEEG: spectral analysis versus coherence. Which is the best measurement? by Anghinah, Renato, Kanda, Paulo Afonso Medeiros, Lopes, Helder Frederico, Basile, Luis Fernando Hindi, Machado, Sérgio, Ribeiro, Pedro, Velasques, Bruna, Sameshima, Koichi, Takahashi, Daniel Yasumasa, Pinto, Lécio Figueira, Caramelli, Paulo, Nitrini, Ricardo

“…There is evidence in electroencephalography that alpha, theta and delta band oscillations reflect cognitive and memory performances and that quantitative…”
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A long-surviving patient with unresectable advanced gastric cancer treated with S-1 and biweekly paclitaxel combination chemotherapy as second-line treatment by Oneyama, Masataka, Sekikawa, Koji, Goto, Manabu, Kitamura, Masaya, Kawahara, Yuichi, Ohta, Ryo, Takahashi, Yasumasa, Hirata, Yudai, Nakayama, Mikihiro, Shimoda, Yota

“…A 59-year-old man with type 3 gastric cancer(signet-ring cell carcinoma)underwent simple laparotomy because of peritoneal dissemination.S -1/CDDP was…”
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qEEG spectral peak in Alzheimer's disease: A possible tool for treatment follow-up by Raicher, Irina, Takahashi, Daniel Yasumasa, Kanda, Paulo Afonso Medeiros, Nitrini, Ricardo, Anghinah, Renato

“…qEEG spectral analysis has been considered highly sensitive to cortical functional changes and agrees strongly with the clinical diagnosis of AD. The…”
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An enlargement method of digital images based on Laplacian pyramid representation by Takahashi, Yasumasa, Taguchi, Akira

“…Since the enlargement of digital images is carried out by insertion of sample points, the Nyquist frequency of the enlarged image is naturally larger than that…”
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Intervention models in functional connectivity identification applied to FMRI by Sato, João Ricardo, Takahashi, Daniel Yasumasa, Cardoso, Ellison Fernando, Martin, Maria da Graça Morais, Amaro Júnior, Edson, Morettin, Pedro Alberto

“…Recent advances in neuroimaging techniques have provided precise spatial localization of brain activation applied in several neuroscience subareas. The…”
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Canonical information flow decomposition among neural structure subsets by Takahashi, Daniel Y, Baccalá, Luiz A, Sameshima, Koichi

“…Partial directed coherence (PDC) and directed coherence (DC) which describe complementary aspects of the directed information flow between pairs of univariate…”
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A fast parameter estimator for large complex networks by Guzman, Grover E C, Takahashi, Daniel Yasumasa, Fujita, André

“…Many natural phenomena are the results of interactions of different components. For example, an organism’s phenotype results from interactions of genes,…”
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A comparative study of statistical methods used to identify dependencies between gene expression signals by de Siqueira Santos, Suzana, Takahashi, Daniel Yasumasa, Nakata, Asuka, Fujita, André

“…One major task in molecular biology is to understand the dependency among genes to model gene regulatory networks. Pearson's correlation is the most common…”
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Correlation between graphs with an application to brain network analysis by Fujita, André, Takahashi, Daniel Yasumasa, Balardin, Joana Bisol, Vidal, Maciel Calebe, Sato, João Ricardo

“…The global functional brain network (graph) is more suitable for characterizing brain states than local analysis of the connectivity of brain regions…”
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An enlargement method of digital images with the prediction of high-frequency components by Takahashi, Yasumasa, Taguchi, Akira

“…Enlargement of digital images is one of the most basic processing. Image enlargement corresponds to narrowing the sampling interval of the digital image. Thus,…”
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Disclosure of the diagnosis of Alzheimer's disease: caregivers' opinions in a Brazilian sample A revelação do diagnóstico de doença de Alzheimer: opiniões de cuidadores em uma amostra brasileira by Marta Maria Shimizu, I. Raicher, Daniel Yasumasa Takahashi, Paulo Caramelli, Ricardo Nitrini

“…BACKGROUND: Disclosure of the diagnosis of Alzheimer's disease (AD) remains a contentious issue, and has been little studied in developing countries…”
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A method to produce evolving functional connectivity maps during the course of an fMRI experiment using wavelet-based time-varying Granger causality by Sato, João Ricardo, Junior, Edson Amaro, Takahashi, Daniel Yasumasa, de Maria Felix, Marcelo, Brammer, Michael John, Morettin, Pedro Alberto

“…Functional magnetic resonance imaging (fMRI) is widely used to identify neural correlates of cognitive tasks. However, the analysis of functional connectivity…”
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Hyperdopaminergia and NMDA Receptor Hypofunction Disrupt Neural Phase Signaling by Dzirasa, Kafui, Ramsey, Amy J, Takahashi, Daniel Yasumasa, Stapleton, Jennifer, Potes, Juan M, Williams, Jamila K, Gainetdinov, Raul R, Sameshima, Koichi, Caron, Marc G, Nicolelis, Miguel A. L

“…Neural phase signaling has gained attention as a putative coding mechanism through which the brain binds the activity of neurons across distributed brain areas…”
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