Toya's young son, Troy, has a habit of nagging and throwing tantrums while in stores. Toya rarely gives in to Troy's tantrums, however, they still persist to her great frustration. Troy's behavior is an example of __________

Anxiety is difficult to study because

a. humans may manifest it in many different ways. b. animal research cannot be applied to our understanding of the human anxiety experience. c. it is implicated in only a few types of psychopathology. d. it has no physiological consequences.

Ava has suffered migraines for more than a year. While trying different medications that have decreased her levels of serotonin activity, her sexual desire has most likely _____

Fill in the blank with correct word