Originally posted by Endless Mike
Control over 5 senses, plus reiatsu sense, to the average limits that a human (or shinigami, in this case) has them. Not control over someone with so many more and ridiculously heightened senses.
All of Superman's additional senses would still be processed though the same area of the brain, i don't see why they wouldn't be effected, and he can still shut off all input should worst come to worst. Plus the fact that once aizen has the hypnosis in place he basically has all of metropolis hostage, after all what might look like him could actually be a bus of schoolchildren, etc. Aizen can and would be that vicious if necessary.