B T Barrett

Summary

Affiliation: University of Bradford
Country: UK

Publications

  1. ncbi Test-retest reproducibility of accommodation measurements gathered in an unselected sample of UK primary school children
    Paul Adler
    School of Optometry and Vision Science, University of Bradford, Richmond Road, Bradford BD7 1DP, UK
    Br J Ophthalmol 97:592-7. 2013
  2. ncbi Test--retest variability of Randot stereoacuity measures gathered in an unselected sample of UK primary school children
    Paul Adler
    School of Optometry and Vision Science, University of Bradford, Richmond Road, Bradford BD7 1DP, UK
    Br J Ophthalmol 96:656-61. 2012
  3. ncbi A critical evaluation of the evidence supporting the practice of behavioural vision therapy
    Brendan T Barrett
    School of Optometry and Vision Science, University of Bradford, Bradford, UK
    Ophthalmic Physiol Opt 29:4-25. 2009
  4. ncbi Vernier acuity with compound gratings: the whole is equal to the better of its parts
    B T Barrett
    Department of Optometry, University of Bradford, UK
    Vision Res 39:3681-91. 1999
  5. ncbi A comparison of vernier acuity for narrowband and broadband stimuli
    Brendan T Barrett
    Department of Optometry, University of Bradford, UK
    Spat Vis 17:111-26. 2004
  6. ncbi Understanding the neural basis of amblyopia
    Brendan T Barrett
    Department of Optometry, University of Bradford, Richmond Road, Bradford, BD7 1DP, UK
    Neuroscientist 10:106-17. 2004
  7. ncbi Discriminating mirror symmetry in foveal and extra-foveal vision
    B T Barrett
    Department of Optometry, University of Bradford, UK
    Vision Res 39:3737-44. 1999
  8. ncbi Nonveridical visual perception in human amblyopia
    Brendan T Barrett
    Department of Optometry, University of Bradford, Bradford, United Kingdom
    Invest Ophthalmol Vis Sci 44:1555-67. 2003
  9. ncbi Perceived contrast following adaptation: the role of adapting stimulus visibility
    Brendan T Barrett
    Department of Optometry, University of Bradford, Bradford BD7 1DP, UK
    Spat Vis 16:5-19. 2002
  10. ncbi Compound grating discrimination in extrafoveal and amblyopic vision
    B T Barrett
    Department of Optometry, University of Bradford, UK
    Exp Brain Res 131:225-35. 2000

Detail Information

Publications21

  1. ncbi Test-retest reproducibility of accommodation measurements gathered in an unselected sample of UK primary school children
    Paul Adler
    School of Optometry and Vision Science, University of Bradford, Richmond Road, Bradford BD7 1DP, UK
    Br J Ophthalmol 97:592-7. 2013
    ..To determine the test-retest reproducibility of accommodation measurements gathered in an unselected sample of primary school children...
  2. ncbi Test--retest variability of Randot stereoacuity measures gathered in an unselected sample of UK primary school children
    Paul Adler
    School of Optometry and Vision Science, University of Bradford, Richmond Road, Bradford BD7 1DP, UK
    Br J Ophthalmol 96:656-61. 2012
    ..To determine the test-retest reliability of the Randot stereoacuity test when used as part of vision screening in schools...
  3. ncbi A critical evaluation of the evidence supporting the practice of behavioural vision therapy
    Brendan T Barrett
    School of Optometry and Vision Science, University of Bradford, Bradford, UK
    Ophthalmic Physiol Opt 29:4-25. 2009
    ....
  4. ncbi Vernier acuity with compound gratings: the whole is equal to the better of its parts
    B T Barrett
    Department of Optometry, University of Bradford, UK
    Vision Res 39:3681-91. 1999
    ..The results support a view that supra-threshold components in a multi-frequency stimulus act independently and it is the spatial frequency content, not the local feature characteristics, which limit vernier performance...
  5. ncbi A comparison of vernier acuity for narrowband and broadband stimuli
    Brendan T Barrett
    Department of Optometry, University of Bradford, UK
    Spat Vis 17:111-26. 2004
    ..Despite this, however, contrast independence is not exhibited for abutting broadband stimuli because, within the broadband stimuli, the contrast of the higher harmonic components never reaches a level to reveal this plateau...
  6. ncbi Understanding the neural basis of amblyopia
    Brendan T Barrett
    Department of Optometry, University of Bradford, Richmond Road, Bradford, BD7 1DP, UK
    Neuroscientist 10:106-17. 2004
    ....
  7. ncbi Discriminating mirror symmetry in foveal and extra-foveal vision
    B T Barrett
    Department of Optometry, University of Bradford, UK
    Vision Res 39:3737-44. 1999
    ..Spatial scaling with an E2 value similar to that for positional acuity was successful in removing the eccentricity dependence for the task...
  8. ncbi Nonveridical visual perception in human amblyopia
    Brendan T Barrett
    Department of Optometry, University of Bradford, Bradford, United Kingdom
    Invest Ophthalmol Vis Sci 44:1555-67. 2003
    ..However, there are few examples of these perceptual errors in the literature. This study was an investigation of the prevalence and nature of misperceptions in human amblyopia...
  9. ncbi Perceived contrast following adaptation: the role of adapting stimulus visibility
    Brendan T Barrett
    Department of Optometry, University of Bradford, Bradford BD7 1DP, UK
    Spat Vis 16:5-19. 2002
    ..We conclude that cross-orientation adaptation effects can be greater than iso-orientation effects, but only when the adapting stimulus is highly suprathreshold...
  10. ncbi Compound grating discrimination in extrafoveal and amblyopic vision
    B T Barrett
    Department of Optometry, University of Bradford, UK
    Exp Brain Res 131:225-35. 2000
    ..In this context, the reduced ability of the normal periphery and amblyopic fovea to perform mirror-symmetric discriminations is explained in terms of losses in positional acuity...
  11. ncbi Disruptions to human speed perception induced by motion adaptation and transcranial magnetic stimulation
    M P Burton
    Bradford School of Optometry and Vision Science, University of Bradford, Bradford, UK
    Eur J Neurosci 30:1989-98. 2009
    ..The results highlight the fact that potentially different effects are generated by TMS on adapted neuronal populations depending upon whether or not they are responding to visual stimuli...
  12. ncbi Gross misperceptions in the perceived trajectories of moving dots
    Srimant P Tripathy
    Department of Optometry, University of Bradford, West Yorkshire, UK
    Perception 32:1403-8. 2003
  13. ncbi Induced deficits in speed perception by transcranial magnetic stimulation of human cortical areas V5/MT+ and V3A
    Declan J McKeefry
    School of Optometry and Vision Science, University of Bradford, Bradford, West Yorkshire BD7 1DP, United Kingdom
    J Neurosci 28:6848-57. 2008
    ..These results suggest that, in addition to area V5/MT+, V3A plays an important role in a cortical network that underpins the perception of stimulus speed in the human brain...
  14. ncbi On the effective number of tracked trajectories in normal human vision
    Srimant P Tripathy
    Department of Optometry, University of Bradford, Bradford, UK
    J Vis 7:2. 2007
    ..This study reconciles the difference between the studies cited above in terms of the number of trajectories that can be tracked at a time...
  15. ncbi Misperceptions of trajectories of dots moving through the blind spot
    Srimant P Tripathy
    Department of Optometry, University of Bradford, UK
    Perception 35:137-42. 2006
  16. ncbi Chromatic masking revealed by the standing wave of invisibility illusion
    Declan J McKeefry
    Department of Optometry, University of Bradford, West Yorshire, UK
    Perception 34:913-20. 2005
    ..Masking was of a monopolar nature, indicating the operation of rectified mechanisms selective for different combinations of colour and luminance contrast...
  17. ncbi Probing the causes of visual acuity loss in patients diagnosed with functional amblyopia
    Brendan T Barrett
    Ophthalmic Physiol Opt 25:175-8. 2005
  18. ncbi Severe loss of positional information when detecting deviations in multiple trajectories
    Srimant P Tripathy
    Department of Optometry, University of Bradford, Bradford, UK
    J Vis 4:1020-43. 2004
    ..P. Tripathy, 2003). Our results highlight a severe loss of positional information when attempting to track multiple objects, particularly in a threshold paradigm...
  19. ncbi Isolation of stimulus characteristics contributing to Weber's law for position
    David Whitaker
    Department of Optometry, University of Bradford, Bradford BD7 1DP, UK
    Vision Res 42:1137-48. 2002
    ..That is, with increasing separation, larger scales must be used, and thresholds increase in direct proportion to 1/frequency...
  20. ncbi A comparison of the effects of ageing upon vernier and bisection acuity
    Luis Garcia-Suarez
    Department of Optometry, University of Bradford, Richmond Road, Bradford BD7 1DP, UK
    Vision Res 44:1039-45. 2004
    ....
  21. ncbi Motion-sensitive neurones in V5/MT modulate perceived spatial position
    Paul V McGraw
    Department of Optometry, University of Bradford, Richmond Road, Bradford BD7 1DP, West Yorkshire, United Kingdom
    Curr Biol 14:1090-3. 2004
    ..This result demonstrates that the anatomical locus at which motion and positional information interact is area V5/MT rather than V1/V2...