For anyone interested in this type of stuff, I can recommend reading Drive . Briefly, human behaviour can be motivated for extrinsic and intrinsic reasons. The rewards in this article are extrinsic motivators. Exploring is rewarding in an intrinsic way; it is a strive towards autonomy, mastery, and purpose. In adults (and in older children) applying extrinsic motivators kills intrinsic motivation. Once the extrinsic…
Try getting children to learn to play guitar or piano or math purely through intrinsic moyovation. They might be into it for a bit, but not enough for regular practice. But, when they have enough skill, they can then develop further intrinsic motivation to really get good. Everything in moderation.
It takes at least 5 years of learning piano to get good enough to enjoy it. IMO this is why adults almost never take it up - we're just not prepared to invest in something that takes so much work with such a distant payoff