Paulina is a wonderful pianist who is prone to periods of ho…

Paulina is a wonderful pianist who is prone to periods of hopelessness and depression (e.g., she often has a hard time getting out of bed for days), which are followed by periods of mania (e.g. she will play the piano, barely sleep, and engage in more impulsive behaviors). It seems likely that Paulina is suffering from:

Norby, an 18-year-old first-year university student, has mis…

Norby, an 18-year-old first-year university student, has missed almost all his classes during the past month. He spends most of his time in his bedroom, frequently not even bothering to get dressed or eat meals. He thinks his whole life has been a failure. Norby is most likely suffering from