Joao R Sato

Summary

Country: Brazil

Publications

  1. pmc Measuring abnormal brains: building normative rules in neuroimaging using one-class support vector machines
    Joao Ricardo Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC Santo Andre, Brazil
    Front Neurosci 6:178. 2012
  2. pmc Evaluation of pattern recognition and feature extraction methods in ADHD prediction
    Joao Ricardo Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC Santo Andre, Brazil Laboratório Interdisciplinar de Neurociências Clínicas, Department of Psychiatry, Universidade Federal de São Paulo São Paulo, Brazil Instituto Nacional de Psiquiatria do Desenvolvimento São Paulo, Brazil
    Front Syst Neurosci 6:68. 2012
  3. pmc Functional clustering of time series gene expression data by Granger causality
    Andre Fujita
    Institute of Mathematics and Statistics, University of Sao Paulo, Rua do Matao, 1010, São Paulo 05508 090, Brazil
    BMC Syst Biol 6:137. 2012
  4. ncbi request reprint Inter-regional cortical thickness correlations are associated with autistic symptoms: a machine-learning approach
    Joao Ricardo Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC, Rua Santa Adelia, 166, Bairro Bangu, CEP 09 210 170 Santo André, SP, Brazil
    J Psychiatr Res 47:453-9. 2013
  5. doi request reprint Identification of psychopathic individuals using pattern classification of MRI images
    Joao R Sato
    Center for Mathematics, Computation, and Cognition, Universidade Federal do ABC, Santo Andre, Brazil
    Soc Neurosci 6:627-39. 2011
  6. pmc The impact of measurement errors in the identification of regulatory networks
    Andre Fujita
    Computational Science Research Program, RIKEN, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    BMC Bioinformatics 10:412. 2009
  7. doi request reprint From EEG to BOLD: brain mapping and estimating transfer functions in simultaneous EEG-fMRI acquisitions
    Joao R Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC, Sao Paulo, Brazil
    Neuroimage 50:1416-26. 2010
  8. doi request reprint Abnormal visual activation in Parkinson's disease patients
    Ellison Fernando Cardoso
    NIF, LIM 44, Department of Radiology, University of Sao Paulo, Sao Paulo, Brazil
    Mov Disord 25:1590-6. 2010
  9. pmc Brain imaging analysis can identify participants under regular mental training
    Joao R Sato
    UFABC Univ Federal do ABC, Santo Andre, Brazil
    PLoS ONE 7:e39832. 2012
  10. pmc GEDI: a user-friendly toolbox for analysis of large-scale gene expression data
    Andre Fujita
    Chemistry Institute, University of Sao Paulo, Av, Lineu Prestes, 748 São Paulo, 05508 900, SP, Brazil
    BMC Bioinformatics 8:457. 2007

Collaborators

Detail Information

Publications22

  1. pmc Measuring abnormal brains: building normative rules in neuroimaging using one-class support vector machines
    Joao Ricardo Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC Santo Andre, Brazil
    Front Neurosci 6:178. 2012
    ..We provide an intuitive description of basic concepts in one-class classification, the foundations of OC-SVM, current applications, and discuss how this tool can bring new insights to neuroimaging studies...
  2. pmc Evaluation of pattern recognition and feature extraction methods in ADHD prediction
    Joao Ricardo Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC Santo Andre, Brazil Laboratório Interdisciplinar de Neurociências Clínicas, Department of Psychiatry, Universidade Federal de São Paulo São Paulo, Brazil Instituto Nacional de Psiquiatria do Desenvolvimento São Paulo, Brazil
    Front Syst Neurosci 6:68. 2012
    ..TD controls and combined vs. inattentive), the relevant information is not confined only to a small set of regions but it is spatially distributed across the whole brain...
  3. pmc Functional clustering of time series gene expression data by Granger causality
    Andre Fujita
    Institute of Mathematics and Statistics, University of Sao Paulo, Rua do Matao, 1010, São Paulo 05508 090, Brazil
    BMC Syst Biol 6:137. 2012
    ..However, since genes belong to intricate networks, other features, besides comparable expression patterns, should provide additional information for the identification of functionally similar genes...
  4. ncbi request reprint Inter-regional cortical thickness correlations are associated with autistic symptoms: a machine-learning approach
    Joao Ricardo Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC, Rua Santa Adelia, 166, Bairro Bangu, CEP 09 210 170 Santo André, SP, Brazil
    J Psychiatr Res 47:453-9. 2013
    ..Finally, we identified several brain areas containing relevant information, such as frontal and temporal regions. This study provides evidence for the usefulness of this new tool to characterize neuropsychiatric disorders...
  5. doi request reprint Identification of psychopathic individuals using pattern classification of MRI images
    Joao R Sato
    Center for Mathematics, Computation, and Cognition, Universidade Federal do ABC, Santo Andre, Brazil
    Soc Neurosci 6:627-39. 2011
    ..Nevertheless, the identification of psychopathy by neuroimaging or other neurobiological tools (e.g., genetic testing) remains elusive...
  6. pmc The impact of measurement errors in the identification of regulatory networks
    Andre Fujita
    Computational Science Research Program, RIKEN, 2 1 Hirosawa, Wako, Saitama 351 0198, Japan
    BMC Bioinformatics 10:412. 2009
    ..However, only a little fraction describes a combination of measurement error in mathematical regulatory networks and shows how to identify these networks under different rates of noise...
  7. doi request reprint From EEG to BOLD: brain mapping and estimating transfer functions in simultaneous EEG-fMRI acquisitions
    Joao R Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC, Sao Paulo, Brazil
    Neuroimage 50:1416-26. 2010
    ..We illustrate this concept in resting state (eyes closed) and visual simultaneous fMRI-EEG experiments. The results point out that it is possible to predict the BOLD fluctuations in occipital cortex by using EEG measurements...
  8. doi request reprint Abnormal visual activation in Parkinson's disease patients
    Ellison Fernando Cardoso
    NIF, LIM 44, Department of Radiology, University of Sao Paulo, Sao Paulo, Brazil
    Mov Disord 25:1590-6. 2010
    ..Further studies are necessary to evaluate the contribution of these abnormalities to the development visual symptoms in PD...
  9. pmc Brain imaging analysis can identify participants under regular mental training
    Joao R Sato
    UFABC Univ Federal do ABC, Santo Andre, Brazil
    PLoS ONE 7:e39832. 2012
    ..This study may suggest a novel step forward: the emergence of a new field in brain imaging applications, in which participants could be identified based on their mental experience...
  10. pmc GEDI: a user-friendly toolbox for analysis of large-scale gene expression data
    Andre Fujita
    Chemistry Institute, University of Sao Paulo, Av, Lineu Prestes, 748 São Paulo, 05508 900, SP, Brazil
    BMC Bioinformatics 8:457. 2007
    ..Here we present an user-friendly toolbox which allows large-scale gene expression analysis to be carried out by biomedical researchers with limited programming skills...
  11. doi request reprint Brain activity patterns during phonological verbal fluency performance with varying levels of difficulty: a functional magnetic resonance imaging study in Portuguese-speaking healthy individuals
    Maurien C T Senhorini
    Department of Psychiatry, University of Sao Paulo, Brazil
    J Clin Exp Neuropsychol 33:864-73. 2011
    ....
  12. ncbi request reprint Analyzing the connectivity between regions of interest: an approach based on cluster Granger causality for fMRI data analysis
    Joao R Sato
    Center of Mathematics, Computation and Cognition, Universidade Federal do ABC, Sao Paulo, Brazil
    Neuroimage 52:1444-55. 2010
    ..With this data set, the proposed approach suggested the presence of significantly more connections between the ROIs than were detected using a single representative time series in each ROI...
  13. ncbi request reprint Predicting obsessive-compulsive disorder severity combining neuroimaging and machine learning methods
    Marcelo Q Hoexter
    Department and Institute of Psychiatry, University of Sao Paulo Medical School, Rua Ovídio Pires de Campos 785, 3 Andar Ala Norte, Sala 9 PROTOC, CEP 05403 010, Sao Paulo, Brazil
    J Affect Disord 150:1213-6. 2013
    ..However, the application of these methods to predict the severity of psychiatric symptoms is less common...
  14. pmc Lack of systematic topographic difference between attention and reasoning beta correlates
    Luis F H Basile
    Laboratory of Psychophysiology, Faculdade da Saúde, UMESP, Sao Paulo, Brazil
    PLoS ONE 8:e59595. 2013
    ....
  15. pmc Real-time fMRI pattern decoding and neurofeedback using FRIEND: an FSL-integrated BCI toolbox
    Joao R Sato
    Cognitive and Behavioral Neuroscience Unit and Neuroinformatics Workgroup, D Or Institute for Research and Education IDOR, Rio de Janeiro, Brazil Center of Mathematics, Computation and Cognition, Universidade Federal do ABC, Santo Andre, Brazil
    PLoS ONE 8:e81658. 2013
    ..FRIEND is open-source and free for non-commercial use. Processing tutorials and extensive documentation are available. ..
  16. doi request reprint Meditation training increases brain efficiency in an attention task
    Elisa H Kozasa
    Instituto do Cérebro, Instituto Israelita de Ensino e Pesquisa Albert Einstein, Sao Paulo, Brazil
    Neuroimage 59:745-9. 2012
    ..This suggests that meditation training improves efficiency, possibly via improved sustained attention and impulse control...
  17. pmc How doctors generate diagnostic hypotheses: a study of radiological diagnosis with functional magnetic resonance imaging
    Marcio Melo
    Laboratory of Medical Informatics LIM 01, Faculty of Medicine of the University of Sao Paulo, Sao Paulo, Brazil
    PLoS ONE 6:e28752. 2011
    ..We propose that generation of diagnostic hypotheses in this context is the result of cognitive processes subserved by brain mechanisms that are similar to those involved in naming objects or concepts in everyday life...
  18. ncbi request reprint Cognitive control associated with irritability induction: an autobiographical recall fMRI study
    Carlos T Cerqueira
    Department of Psychiatry, School of Medicine, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
    Rev Bras Psiquiatr 32:109-18. 2010
    ..We assessed the brain circuitry underlying personal script-driven irritability in healthy subjects (n = 11) using functional magnetic resonance imaging...
  19. doi request reprint Application of partial directed coherence to the analysis of resting-state EEG-fMRI data
    Claudinei E Biazoli
    1 NIF LIM 44, InRad, FMUSP, University of Sao Paulo, Sao Paulo, Brazil
    Brain Connect 3:563-8. 2013
    ..This approach therefore has the potential to inform our understanding of the regional characteristics of oscillatory processes in the human brain...
  20. ncbi request reprint Test-retest reliability of fMRI activation generated by different saccade tasks
    Katerina Lukasova
    NIF LIM44, Faculty of Medicine, University of Sao Paulo, Brazil Faculty of Psychology, Universidade Cruzeiro do Sul, Sao Paulo, Brazil
    J Magn Reson Imaging 40:37-46. 2014
    ..To assess the reproducibility of brain-activation and eye-movement patterns in a saccade paradigm when comparing subjects, tasks, and magnetic resonance (MR) systems...
  21. pmc Modeling gene expression regulatory networks with the sparse vector autoregressive model
    Andre Fujita
    Institute of Mathematics and Statistics, University of Sao Paulo, Rua do Matao, 1010 São Paulo, 05508 090, SP, Brazil
    BMC Syst Biol 1:39. 2007
    ..Here, we present the Sparse Vector Autoregressive model as a solution to these problems...
  22. doi request reprint Depression in Parkinson's disease: convergence from voxel-based morphometry and functional magnetic resonance imaging in the limbic thalamus
    Ellison Fernando Cardoso
    NIF, LIM 44, Department of Radiology, University of Sao Paulo, Sao Paulo, Brazil
    Neuroimage 47:467-72. 2009
    ..In addition this data supports the link between neurodegenerative alterations and mood regulation...