Table 2.

Activation volume in each subject increases with increasing spectral complexity

SubjectThreshold (min t)PT-LT (mm3)PT-RT (mm3)BPN-LT (mm3)BPN-RT (mm3)VOW-LT (mm3)VOW-RT (mm3)WN-LT (mm3)WN-RT (mm3)
18.7212514875706585175737300NANA
28.4181418025654457988177189NANA
34.5172619245337799311,50112,284NANA
46.7227914444822353167295899NANA
59.479227772189405258908063NANA
64.4207716004869486114,46713,393NANA
79.93021586389615248302276432002386
810.1274786230397438440491641993460
93.01456205610,32913,87121,40327,006989812,572
107.623461262658531567543489191375757
115.52816754367911409350630826852327
125.223411135264326536913616124562958
134.42360122657846923911314,19250165398
Mean6.721461455496446839695925952274980
SE0.71661655829741155176311591368
  • The threshold for each subject was chosen such that the volume of their average PT activation across hemispheres was consistent with average human auditory core volumes reported in previous anatomical studies.