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
If mild and occasional, the feelings may be normal. If more severe, they may be a sign of a major depressive disorder or dysthymic reaction or be symptomatic of a bipolar disorder. Other mood disorders may be caused by a general medical condition. Mood disorder is a DSM-IV term. Also called affective disorder.