"Myelin is a fatty substance that coats the axons, speeding up synaptic transmission. Myelanation... is generally completed by age twenty. Multiple sclerosis is one of several degenerative diseases that can affect the myelin sheath..."

“Musical novelty attracts attention and overcomes boredom, increasing memorability.”

“Recent research in social psychology has shown that happy people are not people who have more; rather, they are people who are happy with what they already have. Happy people engage in satisficing all of the time, even if they don’t know it.”

“We may have had music before we had a word for it.”

“Music's evolutionary origin is established because it is present across all humans; it has been around for a long time; it involves specialized brain structures... and it is analogous to music making in other species.”

“Cosmides and Tooby argue that music's function in the developing child is to help prepare its mind for a number of complex cognitive and social activities, exercising the brain so that it will be ready for the demands placed on it by language and social interaction. ...Mother-infant interactions involving music almost always entail both singing and rhythmic movement...”

“I think we will see personalized music stations in the next few years... controlled by computer algorithms... I think it will be important that... listeners have an "adventuresomeness" knob that will control the mix of old and new, or the mix of how far out the new music is from what they usually listen to.”