bipolar disorder

synonym: manic-depressive disorder
https://doi.org/10.1351/goldbook.11638
Psychiatric illness characterized by mood shifts with periods of severe depressive illness and one or more episodes of exaggerated activity levels (manic behavior).
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 852 [Terms] [Paper]