The older you get, the less efficient the brain becomes at storing and recalling memories.

The brain becomes more efficient through a process he calls "neural pruning."

Children's brains will expand and become more developed in these early years.

His brain also becomes like a very powerful computer.

Was there any way that a ship's brain could become smarter, or at least more cunning, over time?

The three brains together became more than the sum of the three apart.

Sweet heaven, now her brain must have become addled, if that was the best she could come up with.

Her brain became a vacuum empty of all save pure fear as the being came toward her.

At the end, you get a score telling you how much fitter your brain has become.

It might be wishful thinking, but she thought the body's tone was improving and the brain becoming more functional.