Final answer:
Robert's diagnoses would be considered mood disorders, such as depression or bipolar disorder.
Step-by-step explanation:
Robert's diagnoses would be considered: a) Mood disorders
Mood disorders are one of the most common mental illnesses, affecting approximately 10% of adults in the United States on a yearly basis. They are characterized by persistent feelings of sadness, hopelessness, or extreme mood swings that significantly impact a person's daily functioning.
Examples of mood disorders include depression and bipolar disorder. Depression is a long-term, debilitating illness that requires treatment, while bipolar disorder involves dramatic shifts in energy and mood.