Mood Disorders characterized by emotional extremes

Major Depressive Disorder Mood Disorders Major Depressive Disorder a mood disorder in which a person, for no apparent reason, experiences two or more weeks of depressed moods, feelings of worthlessness, and diminished interest or pleasure in most activities

Mood Disorders Dysthymic Disorder Less severe, but more chronic Chronic “low grade” depression Depressed mood, plus 2 additional sx poor appetite or overeating insomnia or hypersomnia low energy or fatigue low self-esteem poor concentration or difficulty making decisions feelings of hopelessness

Seasonal Affective Disorder Mood Disorders Seasonal Affective Disorder Seasonal affective disorder (SAD) is a kind of depression that occurs at a certain time of the year, usually in the winter. Every year, as the days get shorter and the weather gets colder, it is estimated that about 2 or 3 out or every 100 people are affected by SAD. About 15 out of every 100 people have less severe symptoms of SAD called the "winter blues.

formerly called manic-depressive disorder Mood Disorders Bipolar Disorder a mood disorder in which the person alternates between the hopelessness and lethargy of depression and the overexcited state of mania formerly called manic-depressive disorder

Bipolar Brain