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. Author manuscript; available in PMC: 2016 Oct 10.
Published in final edited form as: Brain Lang. 2015 Aug 22;161:45–56. doi: 10.1016/j.bandl.2015.07.006

Table 3.

Summary of diffusion tensor imaging values by group.

Seed region Projection area Volume
Fractional Anisotropy (FA)
Radial Diffusivity (RD)
Axial Diffusivity (AD)
Dyslexia
Typical readers
Dyslexia
Typical
readers
Dyslexia
Typical
readers
Dyslexia
Typical
readers
Mean SD Mean SD Diff. Mean SD Mean SD Diff. Mean SD Mean SD Diff. Mean SD Mean SD Diff.
LAC Left TP 31,905 18,169 23,978 10,136 7927 0.429 0.010 0.417 0.011 0.012 0.599 0.017 0.614 0.017 −0.015 1.208 0.024 1.216 0.034 −0.008
OT 43,077 18,434 36,275 17,696 6803 0.419 0.014 0.411 0.009 0.008 0.616 0.019 0.628 0.014 −0.013 1.226 0.033 1.233 0.031 −0.007
IFG 30,825 21,537 19,945 7989 10,880 0.427 0.014 0.420 0.011 0.007 0.597 0.019 0.613 0.017 −0.016 1.196 0.022 1.216 0.038 −0.020
Right TP 26,436 19,196 18,198 6408 8238 0.446 0.014 0.431 0.014 0.015 0.594 0.018 0.609 0.016 −0.015 1.244 0.028 1.241 0.034 0.003
OT 30,611 19,210 26,333 8903 4279 0.441 0.017 0.430 0.014 0.011 0.607 0.021 0.615 0.014 −0.008 1.262 0.032 1.253 0.035 0.008
IFG 27,854 17,722 15,691 8054 12,163 0.442 0.014 0.430 0.014 0.011 0.591 0.015 0.610 0.017 −0.019 1.227 0.034 1.240 0.035 −0.013
RAC Left TP 27,654 14,014 22,939 8691 4714 0.446 0.013 0.433 0.012 0.013 0.598 0.017 0.612 0.015 −0.015 1.250 0.027 1.251 0.030 −0.001
OT 33,249 13,390 30,316 10,354 2933 0.441 0.015 0.428 0.013 0.013 0.608 0.021 0.620 0.013 −0.012 1.267 0.032 1.260 0.035 0.007
IFG 27,856 15,398 20,663 8750 7193 0.441 0.015 0.431 0.011 0.010 0.593 0.022 0.610 0.020 −0.017 1.229 0.026 1.241 0.038 −0.012
Right TP 30,147 16,371 23,863 7178 6283 0.425 0.011 0.417 0.013 0.008 0.596 0.017 0.610 0.014 −0.014 1.191 0.026 1.207 0.038 −0.016
OT 39,256 17,219 37,994 11,089 1262 0.416 0.010 0.412 0.010 0.004 0.613 0.019 0.622 0.012 −0.009 1.210 0.024 1.222 0.024 −0.011
IFG 31,556 15,466 21,321 7833 10,235 0.421 0.012 0.417 0.012 0.004 0.598 0.015 0.614 0.017 −0.016 1.187 0.026 1.213 0.039 −0.026

LAC = Left Anterior Cerebellum, RAC = Right Anterior Cerebellum.

TP = Temporoparietal, OT = Occipitotemporal, IFG = Inferior Frontal Gyrus.

Diff. = Difference between mean dyslexia and typical readers.