The primary reason that child abuse or neglect is especially damaging when it occurs during the first year of life is that it so often interferes with which of the following developmental events?

Terri Schaivo spent the last years of life in a persistent vegetative state after a heart attack deprived her brain of oxygen; she had a heart attack due to a severe ___ deficiency, possibly resulting from bulimia

a. caloric b. protein c. sodium d. potassium

Sylvester had a traumatic injury to his brain that left him without the ability to feel euphoria or reinforcement from cocaine. What brain area was damaged?

a) The nucleus accumben b) The frontal lobe c) The brain stem d) The hypothalamus