The device that provides a detailed, three-dimensional computer-generated image of brain activity by aiming a powerful magnetic field at the brain is called a(n) __________

Chester is irritable, loud, and negative most of the time. He doesn't like it when new people pick him up, and he has irregular sleeping, eating, and waking schedules. What temperament does he exhibit?

a) active b) slow-to-warm-up c) difficult d) easy

As children grow, their self-concepts become richer and more abstract

Indicate whether the statement is true or false