Mood Disorders Flashcards
Depressive Disorders
disorders that have mood disturbances as the predominant feature
Types of Depressive Disorders
Major Depressive Disorder, Dysthymia, Double Depression, Seasonal Affective Disorder
Major Depressive Disorder
severely depressed mood and anhedonia with some combination of: sense of worthlessness, lethargy, appetite/wight change, sleep disturbance, energy loss, difficulty concentrating, guilt, frequent thoughts of death/suicide that go on two two or more weeks
Dysthymia
also called persistent depressive disorder, but has the same symptoms but mild to moderate severity. Most of the day, mosts days, more often than not and normally ongoing for 2 years or longer
Double Depression
same symptomology as dysthymia BUT with periods of major depression
Seasonal Affective Disorder
when you get sad during a time with no vitamin D
US Population Rates for Depressive Disorders
lifetime would be 18% and it is higher in females than males (22%>14%) and recurrence if untreated, however most will come out of it
Etiology for Depressive Disorders
there are situational components like life stressors 6-9 months before, however what is unknown is the how, there are cognitive/behavioral components like negative cognitions and interpersonal interactions, and there is a biological component like genetic components, neurotransmitters like seretonin and epinephrin, neural structures like the left prefrontal cortex, and biological rhythms like Vitamin D
Bipolar Disorders
alternating episodes of depression and mania
Bipolar 1
severe depression: indistinguishable from major depressive disorder, while the mania is elevated/expansive/irritable mood, while psychotic features can occur like hallucinations and delusions which could be accidentally mistaken for schizophrenia. However, the brain still lights up in scans like it is real and the symptoms have to be ongoing for 1 or more weeks
Hallucinations
false perceptions
Delusions
false beliefs that are made up from reality
Bipolar 2
severe depression: indistinguishable from major depressive disorder, and hypomania which is less severe than mania or hyper mania
Cyclothymia
Hypomania: less severe than mania
Dysthymia: less severe than major depressive disorder
US Adult Population Rate for Bipolar Disorders
lifetime it is 2.5% and their are no gender differences, however their is rapid recycling version which is when more than 4 episodes occur a year and women experience that more than men. The recovery is that 24% relapse within a year and 77% relapse within 4 years