L Pessoa

Summary

Affiliation: Rio de Janeiro
Country: Brazil

Publications

  1. ncbi request reprint Mach-band attenuation by adjacent stimuli: experiment and filling-in simulations
    L Pessoa
    Programa de Engenharia de Sistemas e Computacao COPPE Sistemas, Universidade Federal do Rio de Janeiro, Brazil
    Perception 25:425-42. 1996
  2. ncbi request reprint Mach bands: how many models are possible? Recent experimental findings and modeling attempts
    L Pessoa
    Programa de Engenharia de Sistemas e Computacao, COPPE Sistemas, Universidade Federal do Rio de Janeiro, Brazil
    Vision Res 36:3205-27. 1996
  3. ncbi request reprint The perception of lightness in 3-D curved objects
    L Pessoa
    Federal University of Rio de Janeiro, Brazil
    Percept Psychophys 58:1293-305. 1996
  4. ncbi request reprint Finding out about filling-in: a guide to perceptual completion for visual science and the philosophy of perception
    L Pessoa
    Department of Computer and Systems Engineering, Federal University of Rio de Janeiro, Brazil
    Behav Brain Sci 21:723-48; discussion 748-802. 1998
  5. ncbi request reprint Behavioral modulation by mutilation pictures in women
    M G Pereira
    Departamento de Neurobiologia, Instituto de Biofisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
    Braz J Med Biol Res 37:353-62. 2004
  6. ncbi request reprint Contributions of stimulus valence and arousal to visual activation during emotional perception
    J Mourao-Miranda
    Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Brazil
    Neuroimage 20:1955-63. 2003
  7. ncbi request reprint Visual filling-in for computing perceptual surface properties
    H Neumann
    , , Abteilung Neuroinformatik, Oberer Eselsberg, Germany
    Biol Cybern 85:355-69. 2001
  8. pmc Neural processing of emotional faces requires attention
    L Pessoa
    Laboratory of Brain and Cognition, National Institute of Mental Health, Building 10, Room 4C104, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 99:11458-63. 2002
  9. pmc Modulation of emotion by cognition and cognition by emotion
    K S Blair
    Mood and Anxiety Disorders Program, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892 2670, USA
    Neuroimage 35:430-40. 2007

Collaborators

  • R Gattass
  • Jonas Almeida Rodrigues
  • D S Pine
  • Derek G V Mitchell
  • K S Blair
  • M G Pereira
  • E Volchan
  • L Oliveira
  • J Mourao-Miranda
  • H Neumann
  • W C Drevets
  • B W Smith
  • D Sturman
  • R J R Blair
  • M Vythilingam
  • D Fridberg
  • A Zametkin
  • E E Nelson
  • J Morton
  • A Martin
  • F V P Nepomuceno
  • W Machado-Pinheiro
  • R de Oliveira-Souza
  • J Moll
  • I Bramati
  • T Hansen

Detail Information

Publications9

  1. ncbi request reprint Mach-band attenuation by adjacent stimuli: experiment and filling-in simulations
    L Pessoa
    Programa de Engenharia de Sistemas e Computacao COPPE Sistemas, Universidade Federal do Rio de Janeiro, Brazil
    Perception 25:425-42. 1996
    ..The findings are interpreted in terms of a recent filling-in model of brightness perception and the results of computer simulations of stimuli are shown...
  2. ncbi request reprint Mach bands: how many models are possible? Recent experimental findings and modeling attempts
    L Pessoa
    Programa de Engenharia de Sistemas e Computacao, COPPE Sistemas, Universidade Federal do Rio de Janeiro, Brazil
    Vision Res 36:3205-27. 1996
    ..In order to evaluate individual proposals, it is necessary to consider them in the larger picture of visual science and to determine how they contribute to the understanding of vision in general...
  3. ncbi request reprint The perception of lightness in 3-D curved objects
    L Pessoa
    Federal University of Rio de Janeiro, Brazil
    Percept Psychophys 58:1293-305. 1996
    ..Illumination change over 3-D forms is therefore taken into account in lightness perception...
  4. ncbi request reprint Finding out about filling-in: a guide to perceptual completion for visual science and the philosophy of perception
    L Pessoa
    Department of Computer and Systems Engineering, Federal University of Rio de Janeiro, Brazil
    Behav Brain Sci 21:723-48; discussion 748-802. 1998
    ....
  5. ncbi request reprint Behavioral modulation by mutilation pictures in women
    M G Pereira
    Departamento de Neurobiologia, Instituto de Biofisica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
    Braz J Med Biol Res 37:353-62. 2004
    ..Thus, although women may be more emotionally expressive, they were not more reactive to aversive stimuli than men, as measured by emotional interference in a simple reaction time task...
  6. ncbi request reprint Contributions of stimulus valence and arousal to visual activation during emotional perception
    J Mourao-Miranda
    Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Brazil
    Neuroimage 20:1955-63. 2003
    ..Differential activation for conditions matched for arousal (pleasant vs neutral) as well as matched for valence (interesting vs neutral) indicated that both stimulus valence and arousal contributed to visual activation...
  7. ncbi request reprint Visual filling-in for computing perceptual surface properties
    H Neumann
    , , Abteilung Neuroinformatik, Oberer Eselsberg, Germany
    Biol Cybern 85:355-69. 2001
    ..It therefore unifies different research directions that have so far coexisted in different scientific communities...
  8. pmc Neural processing of emotional faces requires attention
    L Pessoa
    Laboratory of Brain and Cognition, National Institute of Mental Health, Building 10, Room 4C104, Bethesda, MD 20892, USA
    Proc Natl Acad Sci U S A 99:11458-63. 2002
    ..Thus, the processing of facial expression appears to be under top-down control...
  9. pmc Modulation of emotion by cognition and cognition by emotion
    K S Blair
    Mood and Anxiety Disorders Program, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892 2670, USA
    Neuroimage 35:430-40. 2007
    ..NeuroImage, 29 (3), 721-733] and negative connectivity with bilateral amygdala. These data suggest that processes involved in emotional regulation are recruited during task performance in the context of emotional distractors...