The simple answer to the question is yes. It is possible to regenerate parts of the brain with stem cells, just like we can in other organs.
Sounds reach our ears from different locations and first travel through the ear into the ear canal. Then tiny bones inside the middle ear end up vibrating and pushing on a small window. This then gets a special membrane inside our ear to vibrate.
The first step in forming a memory is called encoding, and encoding starts with perception. If you remember back to the first time you met your best friend, you encoded or perceived a lot of information about them.
Humans can hear sounds in a range from about 20 hertz to 23 kilohertz at the upper range of their hearing ability. The hearing range of dogs is almost double that.
Over the years you’ve learned to associate certain colors, certain shapes, certain things that you see with specific emotions.