Brain studies of mental workouts in which you sustain a single, chosen focus show that the more you detach from what's distracting you and refocus on what you should be paying attention to, the stronger this brain circuitry becomes.
The human brain is by no means fully formed at birth. It continues to shape itself through life, with the most intense growth occurring during childhood.
We learn best with focused attention. As we focus on what we're learning, the brain maps that information on what we already know making new neural connections
When the eyes of a woman that a man finds attractive look directly at him, his brain secretes the pleasure-inducing chemical dopamine - but not when she looks elsewhere.
Whenever we feel stressed out, that's a signal that our brain is pumping out stress hormones. If sustained over months and years, those hormones can ruin our health and make us a nervous wreck.
Our genetic heritage endows each of us with a series of emotional set-points that determines our temperament. But the brain circuitry involved is extraordinarily malleable; temperament is not destiny.