Eysenck believed that differences in IQs can be explained on the basis of differences in

At times of rest, healthy infants tend to show __________ vagal tone; yet show __________

when aroused. Fill in the blanks with correct word

At times Allen has had little need for sleep and can't stop talking with his mind seeming to race from idea to idea

Everything he does seems to him to be of immense importance, and he often spends too much money and "parties" too much during these times. However, he soon begins to feel extremely sad, worthless, and empty. Allen appears to be suffering from which disorder? a. bipolar I disorder b. bipolar II disorder c. cyclothymic disorder d. dythymia