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Debbie Giaschi
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Dyslexia
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Visual Neuroscience Lab

Deborah E. Giaschi Ph.D.

Positions:
Professor in the Department of Ophthalmology and Visual Sciences
Associate Member in the Department of Psychology, University of British Columbia
Staff Scientist at B.C. Children's Hospital
Scientist level 3 at the Child and Family Research Institute
 
Education:
B.Sc. in Psychology/Zoology from the University of Toronto (1983)
M.A. in Experimental Psychology from York University (1985)
Ph.D. in Experimental Psychology from York University (1989)
 
Recent Talks:
  1. Testing, testing: the science behind clinical tests of stereopsis, contrast sensitivity and visual acuity. The Canadian Orthoptic Society Workshops, Vancouver, June 2011.

  2. What can we tell patients about 3D TV? The Canadian Orthoptic Society Annual Meeting,Vancouver, June 2011.

  3. Developmental dyslexia. UBC Neuropsychiatry Grand Rounds,April 2011.

  4. The neural basis of motion perception deficits in amblyopia and developmental dyslexia. Vision Science Research Seminar, University of Waterloo, Nov 2010.

  5. Giaschi lab update. Canadian Amblyopia Network meeting, McGill University, July 2010.

  6. Fine and course stereopsis. Canadian Amblyopia Network meeting, McMaster University, July 2008.

  7. The typical and atypical maturation of coarse stereopsis. The Canadian Orthoptic Society Annual Meeting. Whistler BC, June 2008.

  8. Beyond 20/20 vision. Centre for Community Child Health Research Day, April 2008.

  9. Amblyopia: new findings on the most common developmental visual disorder. Human Early Learning Partnership Research Days, May 2007.

  10. Studies of motion-sensitive visual cortex using fMRI and DTI. MRI Research Centre Retreat, UBC, April 2007.

 
Selected Refereed Publications
(a) Journals
  1. Secen J, Culham J, Ho C, Giaschi D. (2011) Neural correlates of the multiple-object tracking deficit in amblyopia. Vision Research in press.

  2. Hayward J, Troung G, Partanen M, Giaschi D. (2011) Effects of speed, age and amblyopia on the perception of motion defined form. Vision Research, 51, 2216-23.

  3. Ho C, Giaschi D (2009) Low- and high-level motion perception deficits in anisometropic and strabismic amblyopia: evidence from fMRI. Vision Research, 49, 2891-901.

  4. Lanyon L, Giaschi D, Au Young S, Fitzpatrick K, Diao L, Bjornson B, Barton J (2009) Combined functional MRI & diffusion tensor imaging analysis of visual motion pathways. Journal of Neuro-Ophthalmology, 29, 96-103.

  5. Ho C, Giaschi D (2009) Low- and high-level first-order random-dot kinematograms: evidence from fMRI. Vision Research, 49, 1814-24.

  6. Boden C, Giaschi D (2009) The role of low-spatial frequencies in lexical decision and masked priming. Brain and Cognition, 69, 580-91.

  7. Iaria G, Lanyon L, Fox C, Giaschi D, Barton J (2008) Navigational skills correlate with hippocampal fractional anisotropy in humans. Hippocampus, 18, 335-9.

  8. Wang J, Ho C, Giaschi D. (2007). Deficient motion-defined and texture-defined figure-ground segregation in amblyopic children. Journal of Pediatric Ophthalmology and Strabismus, 44, 363-371.

  9. Giaschi D, Zwicker, A., Au Young, S., Bjornson, B. (2007) The role of cortical area V5/MT+ in speed-tuned directional anisometropies in global motion perception. Vision Research, 47, 887-898.

  10. Boden, C & Giaschi D (2007) M-stream deficits and reading-related visual processes in developmental dyslexia. Psychological Bulletin, 133, 346-366.

  11. Ho C, Paul P, Asirvatham A, Cavanagh P, Cline R, Giaschi D.(2006). Abnormal spatial selection and tracking in children with amblyopia. Vision Research, 46, 3274-3278.

  12. Ho, C & Giaschi D (2006) Deficient maximum motion displacement in amblyopia. Vision Research, 46, 4595-4603.

  13. Zwicker A, Hoag R, Edwards V, Boden C, Giaschi D (2006) The effects of optical blur on motion and texture perception. Optometry and Vision Science, 83, 382-390.

  14. Edwards V, Giaschi D, Low P, Edgell D (2005) Sensory and non-sensory influences on children’s performance of dichotic pitch perception tasks. Journal of the Acoustical Society of America, 117, 3157-3164.

  15. Ho C, Giaschi D, Boden C, Dougherty R, Cline R, Lyons C. (2005) Deficient motion perception in the fellow eye of amblyopic children. Vision Research, 45, 1615-1627.

  16. Parrish E, Giaschi D, Boden C, Dougherty D (2005) The maturation of form and motion perception in school age children. Vision Research, 45, 827-837.

  17. Chapman C, Hoag R, Giaschi D (2004) The effect of disrupting the human magnocellular pathway on global motion perception. Vision Research, 44, 2551-2557.

  18. Visser T, Boden C, Giaschi D (2004) Children with dyslexia: evidence for visual attention deficits in perception of rapid sequences of objects. Vision Research, 44, 2521-2535.

  19. Tata M, Giaschi D (2004) Warning: Attending to a mask may be hazardous to your perception. Psychonomic Bulletin & Review, 11, 262-268.

 
(b) Conference Proceedings
  1. Narasimhan S, Giaschi D (2011). The effect of dot speed and density on the maturation of global motion perception. Optical Society of America Vision Meeting, pg 47

  2. Partanene M, Bjornson B, Edgell D, Fitzpatrick K, Giaschi D (2011) The cortical basis for the dichotic pitch deficit in developmental dyslexia. Brain Development Conference, pg 35

  3. Partanen M, Fitzpatrick K, Edgell D, Bjornson B, Giaschi D (2011)The cortical basis for the dichotic pitch deficit in developmental dyslexia. Cognitive Neuroscience Conference.

  4. Narasimhan S, Harrison E, Giaschi D (2011) Quantitative measurement of interocular suppression in children with amblyopia. Journal of vision. 11(11):410.


  5. Giaschi D, Hayward J, Troung G, Partanen M (2010) The effect of speed, age and amblyopia on the perception of motion-defined form. Journal of Vision 10(7):465.

  6. Solski A, Giaschi D, Wilcox L (2010) perceptual grouping leads to depth discrimination deficits in adults, not children. Journal of vision 10(7):367.

  7. Partanen M, edgell D, Bjornson B, Giaschi D (2010) Cortical systmes utilized for reading and temporal processing in developmental dyslexia. Conignitive neuroscience conference.

  8. Secen J, Culham J, Giaschi D (2009) The cortical basis of attentive tracking deficits in amblyopia: An fMRI study. Program No. 558.2. Neuroscience Meeting Planner. Chicago, IL: Society for Neuroscience, 2009. Online.

Book Chapters
Giaschi D (2006) The processing of motion-defined form. In: Harris L and Jenkin M(eds) Seeing Spatial Form. Oxford University Press, New York, pp. 101-119.
 
Email address: giaschi@interchange.ubc.ca
Phone: 604-875-2345 (ext 7807)
Fax: 604-875-2683
Snail Mail: Department of Ophthalmology (Room A146),
4480 Oak Street, Vancouver, B.C., V6H 3V4 CANADA


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