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Table 2. 
Summary of the Results from Psychophysical Visual Tasks
Visual Measure/TaskReferences
D > H, Deaf Performed Better than Hearing 
Motion detection Shiell et al. (2014), Lomber et al. (2010, 2011), Stevens and Neville (2006) 
Visual localization Codina et al. (2011), Lomber et al. (2010, 2011) 
Visuomotor synchronization Iversen et al. (2015) 
Vernier acuity (on the periphery) Smittenaar et al. (2016) 
Object discrimination Megreya and Bindemann (2017) 
Facial discrimination Megreya and Bindemann (2017) 
  
D = H, Deaf Performed Similarly to Hearing 
Motion direction Hauthal et al. (2013), Lomber et al. (2010), Bosworth and Dobkins (1999, 2002) 
Motion velocity Lomber et al. (2010), Brozinsky and Bavelier (2004) 
Orientation discrimination Lomber et al. (2010), Parasnis et al. (1996) 
Temporal discrimination Poizner and Tallal (1987), Mills (1985), Bross and Sauerwein (1980) 
Brightness discrimination Bross (1979) 
Contrast sensitivity Stevens and Neville (2006), Finney et al. (2001) 
Grating acuity Lomber et al. (2010) 
Vernier acuity Lomber et al. (2010) 
Facial discrimination Parasnis et al. (1996) 
Visual Measure/TaskReferences
D > H, Deaf Performed Better than Hearing 
Motion detection Shiell et al. (2014), Lomber et al. (2010, 2011), Stevens and Neville (2006) 
Visual localization Codina et al. (2011), Lomber et al. (2010, 2011) 
Visuomotor synchronization Iversen et al. (2015) 
Vernier acuity (on the periphery) Smittenaar et al. (2016) 
Object discrimination Megreya and Bindemann (2017) 
Facial discrimination Megreya and Bindemann (2017) 
  
D = H, Deaf Performed Similarly to Hearing 
Motion direction Hauthal et al. (2013), Lomber et al. (2010), Bosworth and Dobkins (1999, 2002) 
Motion velocity Lomber et al. (2010), Brozinsky and Bavelier (2004) 
Orientation discrimination Lomber et al. (2010), Parasnis et al. (1996) 
Temporal discrimination Poizner and Tallal (1987), Mills (1985), Bross and Sauerwein (1980) 
Brightness discrimination Bross (1979) 
Contrast sensitivity Stevens and Neville (2006), Finney et al. (2001) 
Grating acuity Lomber et al. (2010) 
Vernier acuity Lomber et al. (2010) 
Facial discrimination Parasnis et al. (1996) 
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