People with bipolar disorder may experience only rare manic periods, interspersed with phases of depression.

Also, the theory holds that the manic period of the illness in many ways simulates the "high" of the creative process.

And after the manic periods passed, he had shown no indication of remembering what he'd said and done.

In the new study of 12 patients, one suffered from both winter and summer depressions, with manic periods each spring and fall.

While manic and depressive periods may be separated by weeks, months, or years in adults, they can happen within a single day in children.

The manic periods weren't that different, maybe they were a little shorter and more intense.

The manic periods can be very, very productive.

With it, depressed episodes are interspersed by manic periods.

During manic periods, you be may be reckless and volatile.

Spending sprees, after all, are common during manic periods.