See protocol stack. (2) A hierarchy of software. A stack is the common set of programs used in a computer. The stack can refer to infrastructure only (see technology stack) or to the applications the company gives its employees (see application stack). It may also refer to an industry set or developer set of programs.
2 types of serious Mood disorders 1.) Major depressive disorder (unipolar:only one mental state =depression) 2.) Bipolar disorder: has both the manic and depressive state
The three main types of affective disorders are: depression, bipolar disorder, and anxiety disorder. Each includes subtypes and variations in severity. Depression, or major depressive disorder, is characterized by feelings of extreme sadness and hopelessness. It is more than simply feeling down for a day or two.