What is a similarity between incidental and intentional learning?

both bring knowledge into your brain.

both resemble deep processing.

both allow knowledge to be forgotten to make room in your brain.

both require adequate sleep.

Both learning provides knowledge to the brain is a similarity between incidental and intentional learning.

Explanation:

Intentional learning as the name suggests is the kind of learning where the individual is intended to learn about a particular matter. Whereas, the incidental learning is learning that is without any intention of learning. It occurs during a task or any activity.

However, both the learning has one thing in common, that is, they both bring knowledge. Even though the methods of learning are different, we acquire knowledge through both the methods.  

answer: i would say the brain but it seem that you have a brain.