When you next use the memory supercharger a suggest a goal of remembering the techniques you had for solving problems.

Also what are your real cues that your thinking has changed (for the worse)? It might be that you are 'solving problems' just as well as always but now it seems to flow some more. If you're having problems with problem solving for school material consider that you may challenged with a higher level of problem solving and you only need to adjust a bit to work on them. Not all problems have the same solution although you may be trying to apply them.

Alex