When you first start auditory training, and your brain is trying to extract a voice from background noise, your brain goes into “mass recruitment mode.” The area of your auditory cortex tuned to those specific sounds rapidly expands.

The brain floods the zone with resources, recruiting neurons to try and process the voices.

If your brain kept expanding its maps every time you learned something new, you would literally run out of physical space and metabolic energy. This is where the magic of renormalization happens. In the movie-director analogy, this is the “send everyone else home” phase.

As you *continue to practice* and master the auditory task, the physical size of that brain map actually shrinks. However, your performance doesn’t drop. Instead, it gets better. Why? Because the individual neurons within that map become tuned and efficient.

The auditory training program I recommend is Lace AI Pro.

For more information, see The Case for Lace