1. Mood Disorders characterized by emotional extremes

2. 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

4. 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

5. 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.

6. 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

7. Bipolar Brain