Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 3

The old brain that is involved with many motivational and emotional behaviors is called the (a) _____. One structure of the limbic system, the hypothalamus, controls the autonomic nervous system, which has two divisions. The division that responds by increasing the body's physiological arousal is called the (b) _____. this division triggers a state of increased physiological arousal so that the body can cope with threatening situations; this state is called the (c) _____. The other division of the autonomic nervous system that is primarily responsible for returning the body to a calm or relaxed state and is involved in digestion is called the (d) _____.