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Table 1. 

AX Discrimination Results (Mean d′ Scores)


Prior Behavioral Testing Session
Change: Post 1 − Pre 1
fMRI Scanning Session
Overall Change: Post 2 − Pre 1
Pretest 1
Post-test 1
Pretest 2
Post-test 2
Dental/Retroflex Trainers 
Dental vs. Retroflex 1.471 2.930 1.459 2.781 3.202 1.731 
SE 0.292 0.298 0.331 0.374 0.372 0.480 
Retroflex vs. Velar 1.001 0.160 −0.841 0.756 1.035 0.034 
SE 0.275 0.267 0.325 0.289 0.190 0.375 
Dental vs. Velar 3.281 4.004 0.723 4.499 4.196 0.916 
SE 0.362 0.187 0.259 0.104 0.172 0.441 
 
Retroflex/Velar Trainers 
Dental vs. Retroflex 1.978 1.918 −0.060 2.005 2.533 0.554 
SE 0.437 0.433 0.267 0.372 0.302 0.420 
Retroflex vs. Velar 1.408 1.074 −0.334 1.471 1.667 0.260 
SE 0.446 0.452 0.477 0.428 0.338 0.306 
Dental vs. Velar 3.750 4.419 0.669 4.497 4.574 0.824 
SE 0.314 0.106 0.358 0.082 0.079 0.341 

Prior Behavioral Testing Session
Change: Post 1 − Pre 1
fMRI Scanning Session
Overall Change: Post 2 − Pre 1
Pretest 1
Post-test 1
Pretest 2
Post-test 2
Dental/Retroflex Trainers 
Dental vs. Retroflex 1.471 2.930 1.459 2.781 3.202 1.731 
SE 0.292 0.298 0.331 0.374 0.372 0.480 
Retroflex vs. Velar 1.001 0.160 −0.841 0.756 1.035 0.034 
SE 0.275 0.267 0.325 0.289 0.190 0.375 
Dental vs. Velar 3.281 4.004 0.723 4.499 4.196 0.916 
SE 0.362 0.187 0.259 0.104 0.172 0.441 
 
Retroflex/Velar Trainers 
Dental vs. Retroflex 1.978 1.918 −0.060 2.005 2.533 0.554 
SE 0.437 0.433 0.267 0.372 0.302 0.420 
Retroflex vs. Velar 1.408 1.074 −0.334 1.471 1.667 0.260 
SE 0.446 0.452 0.477 0.428 0.338 0.306 
Dental vs. Velar 3.750 4.419 0.669 4.497 4.574 0.824 
SE 0.314 0.106 0.358 0.082 0.079 0.341 
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