What causes brain circuits to become much more efficient in middle childhood?
A) synaptogenesis
B) growth in the temporal lobe
C) increased numbers of neurons
D) myelination.
D) myelination. After myelin grows around an axon, it insulates the nerve impulse and speeds its action across the axon by as much as 100 times.
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Rima is the newest attorney in a large law firm
She knows no one, and the only person who really knows her is the gentleman who interviewed and hired her. She is determined to work hard, get noticed, and get her first raise before the end of her first year of employment. Which component of the expectancy theory is likely motivating Rima the most? a) achievement b) valence c) instrumentality d) social motives
The brain waves that characterize the sense of relaxed wakefulness we experience while lying on a beach or in a hammock or when resting after a big meal are ______ waves
a. alpha c. delta b. beta d. theta