Mood
A long term emotional state rather than a mixed or fleeting feeling
Mood Disorders
Mood Disorders are characterized by emotional extremes and challenges in regulating mood
Depression
How common is Depression?
31% of American college students answered yes to having depression
29% high school students - felt so sad or hopeless for 2 or more weeks in a row that they stopped usual activities
Major Depressive Disorder
A state of hopelessness and lethargy lasting several weeks or months
Symptoms of Depression
Persistent Depressive Disorder
Dysthmia
Bipolar Disorder
Person alternates between the hopelessness and lethargy of depression and the overexcited state of Mania
*formally called manic- depressive disorder
What does Bipolar Disorder look like?
When a depressive episode ends, a euphoric overly talkative, wildly energetic, and extremely optimistic state called Mania follows. But before long, the mood either returns to normal or plunges again into depression
Clusters of genes associated with high creativity increases the likelihood of having what?
Bipolar Disorder
*vice versa - risk factors for developing bipolar disorder predict greater creativity
What are the implications of Bipolar Disorder?
Bipolar Disorder is much less common than major depressive disorder but it is more dysfunctional claiming twice as many lost workdays
*Bipolar Disorder is a potent predictor of suicide
What does genetics have to do with Bipolar Disorder?
Heritability
A measure of how well differences in people’s genes account for differences in their traits
Is Bipolar Disorder heritable?
YES, Highly Heritable
What neurotransmitter is scarce in depression and abundant during Mania?
Norepinephrine - increases arousal and boosts mood
scare - depression
overabundant - mania
Which neurotransmitters are scares during depression?
Norepinephrine & Serotonin
Note
One study showed that depression is related to the combination of two factors: significant life stress + a variation of a serotonin- controlling gene
What life experiences can result in mood disorders?
Diet, Drugs, Stress, and other environmental influences lay down epigenetic (changes that alter the physical structure of DNA) marks, molecular genetic tags that can turn certain genes on or off
Social Cognitive Approach & Mood Disorders
Explores how people’s assumptions and expectations influence what they perceive
* many depressed people view life through the dark glasses of low self-esteem
Can our thoughts lead to depression?
Explanatory Style
Who or what we blame for our failures
The Cycle of Depression
*Depression is Both a cause and effect of stressful experiences that disrupts our sense of who we are and why we are worthy human beings
Triggers –> Thoughts –> Feelings –> Behavior –> Physical Responses (loop)
Treating Depression
Cognitive Behavioral Therapy
A type of therapy in which patients learn to identify and manage negative thought and behavior patterns that can contribute to their depression
- identify negative patterns, change inaccurate beliefs, change behaviors making depression worse, interact with others in positive way