LUCIA VAINA

Summary

Affiliation: Boston University
Country: USA

Publications

  1. ncbi Dissociation of first- and second-order motion systems by perceptual learning
    Lucia M Vaina
    Brain and Vision Research Laboratory, Departments of Biomedical Engineering, Neuroscience and Neurology, Boston University, Boston, MA 02215, USA
    Atten Percept Psychophys 74:1009-19. 2012
  2. ncbi Neuropsychological evidence for three distinct motion mechanisms
    Lucia M Vaina
    Boston University, Brain and Vision Research Laboratory, Boston, MA 02215, USA
    Neurosci Lett 495:102-6. 2011
  3. ncbi Functional and anatomical profile of visual motion impairments in stroke patients correlate with fMRI in normal subjects
    Lucia M Vaina
    Brain and Vision Research Laboratory, Department of Biomedical Engineering, Neuroscience, and Neurology, Boston University, Massachusetts 02215, USA
    J Neuropsychol 4:121-45. 2010
  4. ncbi Deficits of motion integration and segregation in patients with unilateral extrastriate lesions
    Lucia M Vaina
    Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA
    Brain 128:2134-45. 2005
  5. ncbi Perceptual deficits in patients with impaired recognition of biological motion after temporal lobe lesions
    Lucia M Vaina
    Brain and Vision Research Laboratory, Departments of Biomedical Engineering and Neurology, Boston University, Boston, MA 02215, USA
    Proc Natl Acad Sci U S A 101:16947-51. 2004
  6. ncbi Regional cerebral correlates of global motion perception: evidence from unilateral cerebral brain damage
    L M Vaina
    Boston University, Department of Biomedical Engineering, Brain and Vision Research Laboratory, Massachusetts, USA
    Brain 124:310-21. 2001
  7. ncbi A neural network model of spiral-planar motion tuning in MSTd
    Scott A Beardsley
    Brain and Vision Research Laboratory, Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA
    Vision Res 43:577-95. 2003
  8. ncbi An effect of relative motion on trajectory discrimination
    Scott A Beardsley
    Department of Biomedical Engineering, Marquette University, P O Box 1881, Milwaukee, WI 53201, USA
    Vision Res 48:1040-52. 2008
  9. ncbi Global motion mechanisms compensate local motion deficits in a patient with a bilateral occipital lobe lesion
    Scott A Beardsley
    Department of Biomedical Engineering, Marquette University, Milwaukee, WI, USA
    Exp Brain Res 173:724-32. 2006
  10. ncbi Can spatial and temporal motion integration compensate for deficits in local motion mechanisms?
    Lucia M Vaina
    Brain and Vision Research Laboratory, Biomedical Engineering and Neurology, Boston University, Boston, MA, USA
    Neuropsychologia 41:1817-36. 2003

Research Grants

  1. EFFECTS OF LESIONS ON VISUAL MOTION PERCEPTION IN HUMANS
    LUCIA VAINA; Fiscal Year: 2005
  2. Perception and Recovery of Motion for Visually Guided Behavior in Humans
    LUCIA VAINA; Fiscal Year: 2009
  3. Perception and Recovery of Motion for Visually Guided Behavior in Humans
    Lucia Maria Vaina; Fiscal Year: 2010

Detail Information

Publications17

  1. ncbi Dissociation of first- and second-order motion systems by perceptual learning
    Lucia M Vaina
    Brain and Vision Research Laboratory, Departments of Biomedical Engineering, Neuroscience and Neurology, Boston University, Boston, MA 02215, USA
    Atten Percept Psychophys 74:1009-19. 2012
    ..In each task, training produced substantial improvement in performance in the trained task; however, in neither case did this improvement show any significant transfer to the nontrained task...
  2. ncbi Neuropsychological evidence for three distinct motion mechanisms
    Lucia M Vaina
    Boston University, Brain and Vision Research Laboratory, Boston, MA 02215, USA
    Neurosci Lett 495:102-6. 2011
    ..Therefore, these results provide evidence for the existence of at least three motion mechanisms in the human visual system: a low-level first- and second-order motion mechanism and a high-level attention or position-based mechanism...
  3. ncbi Functional and anatomical profile of visual motion impairments in stroke patients correlate with fMRI in normal subjects
    Lucia M Vaina
    Brain and Vision Research Laboratory, Department of Biomedical Engineering, Neuroscience, and Neurology, Boston University, Massachusetts 02215, USA
    J Neuropsychol 4:121-45. 2010
    ..The results highlight the advantage of using psychophysical techniques and a variety of visual tasks with neurological patients to tease apart the contribution of different cortical areas to motion processing...
  4. ncbi Deficits of motion integration and segregation in patients with unilateral extrastriate lesions
    Lucia M Vaina
    Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA
    Brain 128:2134-45. 2005
    ..Although no patient suffered from only one defect, the overall pattern of results strongly supports the notion of regional specialization for different aspects of motion processing...
  5. ncbi Perceptual deficits in patients with impaired recognition of biological motion after temporal lobe lesions
    Lucia M Vaina
    Brain and Vision Research Laboratory, Departments of Biomedical Engineering and Neurology, Boston University, Boston, MA 02215, USA
    Proc Natl Acad Sci U S A 101:16947-51. 2004
    ....
  6. ncbi Regional cerebral correlates of global motion perception: evidence from unilateral cerebral brain damage
    L M Vaina
    Boston University, Department of Biomedical Engineering, Brain and Vision Research Laboratory, Massachusetts, USA
    Brain 124:310-21. 2001
    ....
  7. ncbi A neural network model of spiral-planar motion tuning in MSTd
    Scott A Beardsley
    Brain and Vision Research Laboratory, Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA
    Vision Res 43:577-95. 2003
    ..Based on the computational model we propose an experimental paradigm to investigate the existence of equivalent computational structures in MSTd...
  8. ncbi An effect of relative motion on trajectory discrimination
    Scott A Beardsley
    Department of Biomedical Engineering, Marquette University, P O Box 1881, Milwaukee, WI 53201, USA
    Vision Res 48:1040-52. 2008
    ..We interpret these differences as providing support for the role of relative motion mechanisms in the segmentation and representation of object motions that do not occlude the path of an observer's self-motion...
  9. ncbi Global motion mechanisms compensate local motion deficits in a patient with a bilateral occipital lobe lesion
    Scott A Beardsley
    Department of Biomedical Engineering, Marquette University, Milwaukee, WI, USA
    Exp Brain Res 173:724-32. 2006
    ....
  10. ncbi Can spatial and temporal motion integration compensate for deficits in local motion mechanisms?
    Lucia M Vaina
    Brain and Vision Research Laboratory, Biomedical Engineering and Neurology, Boston University, Boston, MA, USA
    Neuropsychologia 41:1817-36. 2003
    ..Such a specific impairment has not been reported before...
  11. ncbi Stereo motion transparency processing implements an ecological smoothness constraint
    Finnegan J Calabro
    Brain and Vision Research Laboratory, Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA
    Perception 35:1219-32. 2006
    ..These results suggest that the mechanism processing transparent motion may implement a smoothness constraint that tends to combine similar motions into a single percept...
  12. ncbi First-order and second-order motion: neurological evidence for neuroanatomically distinct systems
    Lucia M Vaina
    Department of Biomedical Engineering, Brain and Vision Research Laboratory, Boston University, Department of Neurology, Harvard Medical School, Boston, MA 02215, USA
    Prog Brain Res 144:197-212. 2004
    ..The data reported here also suggest that different cortical regions may be in charge of processing direction-discrimination in second-order motion defined by different second-order attributes...
  13. ncbi How can a patient blind to radial motion discriminate shifts in the center-of-motion?
    Scott A Beardsley
    Department of Biomedical Engineering, Brain and Vision Research Laboratory, Boston University, 44 Cummington St, Boston, MA 02215, USA
    J Comput Neurosci 18:55-66. 2005
    ....
  14. ncbi Psychophysical evidence for a radial motion bias in complex motion discrimination
    Scott A Beardsley
    Brain and Vision Research Laboratory, Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA
    Vision Res 45:1569-86. 2005
    ....
  15. ncbi Population anisotropy in area MT explains a perceptual difference between near and far disparity motion segmentation
    Finnegan J Calabro
    Department of Biomedical Engineering, Boston University, 44 Cummington St, Boston, MA 02215, USA
    J Neurophysiol 105:200-8. 2011
    ..Results from the model suggest that the properties of neurons in area MT are computationally sufficient to perform disparity segmentation during motion processing and produce similar disparity biases as those produced by human observers...
  16. ncbi The role of human extra-striate visual areas V5/MT and V2/V3 in the perception of the direction of global motion: a transcranial magnetic stimulation study
    Alan Cowey
    Department of Experimental Psychology, University of Oxford, Oxford, OX1 3UD, UK
    Exp Brain Res 171:558-62. 2006
    ....
  17. ncbi Is precise discrimination of low level motion needed for heading discrimination?
    Constance S Royden
    Department of Mathematics and Computer Science, College of the Holy Cross, MA, USA
    Neuroreport 15:1013-7. 2004
    ..Judgments of curved path motion appear more dependent on accurate 2D motion perception...

Research Grants8

  1. EFFECTS OF LESIONS ON VISUAL MOTION PERCEPTION IN HUMANS
    LUCIA VAINA; Fiscal Year: 2005
    ....
  2. Perception and Recovery of Motion for Visually Guided Behavior in Humans
    LUCIA VAINA; Fiscal Year: 2009
    ..abstract_text> ..
  3. Perception and Recovery of Motion for Visually Guided Behavior in Humans
    Lucia Maria Vaina; Fiscal Year: 2010
    ..abstract_text> ..