Final answer:
Bipolar disorder usually has a gradual onset over weeks to months, with mood episodes lasting several months, interspersed with periods of normal functionality. Episodes can significantly affect cognitive functions, disrupting school performance and daily activities.
Step-by-step explanation:
The onset of bipolar disorders typically occurs in a gradual manner over weeks to months, and episodes of mood disturbances can last several months with the possibility of periods of normal function in between.
These episodes are characterized by dramatic shifts in energy and mood, which significantly impact daily life and can make it difficult to maintain a consistent quality of life or performance in activities such as schooling.
Bipolar disorder affects cognitive functions such as concentration, memory, and attention, which can cause substantial challenges in learning and academic achievement, even after an episode has passed.
Bipolar disorder is characterized by dramatic shifts in energy and mood, often affecting the individual's ability to carry out day-to-day tasks.