on of neurons when firing ??? ??? ??? alpha waves seen when an individual is in a relaxed, unfocused, yet still awake state ??? ??? ??? amygdala limbic system component associated with emotion, particularly fear and anger ??? ??? ??? anal stage Freud's pychosexual period during which a child learns to control his bodily excretions ??? ??? ??? anorexia (nervosa) an eating disorder in which one star