PSYC 1010 Chapter Notes - Chapter 51: Major Depressive Disorder, Major Depressive Episode, Olive Oil

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Rebecca Jubis

Document Summary

Major depressive disorder: two or more weeks with at least 5 symptoms from dsm-5, at least be depressed mood or loss of interest/pleasure. Persistent disorder: more mildly depressed mood most of the time for 2+ years. Bipolar disorder: alternate between depressed state to mania state. (rarer than depression) Mania: hyperactivity, wildly optimistic, dangerously poor judgement is common. Behavioural (inactive) & cognitive (negativity) changes accompany depression. Depression is widespread. (12% adults in canada) Women double risk of major depression than men"s. Most major depressive episodes self-terminate (even without professional help) Stressful work, marriage, relationship events often produce depression. With each new generation, depression strikes earlier. (highest in developed countries) Genetic in uences: depressive & bipolar run in families. linkage analysis is used to tease out the gene over several generations in affected & unaffected family members. Diminished brain activity in depressive states vs. activity in mania". Frontal lobes (reward centres) are smaller in depressed people.