PSYC 2621 Chapter Notes - Chapter 7: Major Depressive Episode, Major Depressive Disorder, Seasonal Affective Disorder

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3 Dec 2017
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Major depressive disorder is based on the occurrence of at least one major depressive episode in the absence of a history in mania or hyper mania. Insomnia or hypersomnia each day. (not self-reproach or guilt about being sick. : diminished ability to think or concentrate or indecisiveness nearly every day, recurrent thoughts of death, suicidal idealization, without specified plan, suicide attempt. Major depressive disorder most common type of diagnosable mood disorder. Eight percent of us adults suffer from this disorder. Seasonal affective disorder is depression occurring during the change of season from summer to fall. Theories seasonal changes in light alter biological rhythms that regulate body temp and sleep wake cycles or affects availability or use of mood regulating serotonin in winter. Post-partum depression one in seven moms experience severe mood changes that are classified as ppd. 10-15% us women per year experience major depressive episode within 4 weeks of delivery.

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