PSY 1102 Lecture 19: PSYC 1102 - Lecture 19 - Psychological Disorders (Continued)

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5 Nov 2019

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Tuesday, November 5th 2019
PSYC 1102
After this material on Friday, this is all you need to know for the midterm *
Depressive Disorders
Has been known as the “common cold” of psychological disorders as it is so common
worldwide, but this alleviates its seriousness.
Phobias are more common than depression and Depression is the main reason why
individuals seek mental health services.
Major Depressive Disorders: tend to end with or without therapy. View table 15.5 on
page 629 of the textbook for more information regarding the symptoms.
Dysthymia: this will go on for approximately 2 years rather than for 2 or more weeks in
comparison to MDD episode. This is also known as a persistent depressive disorder.
Bipolar Disorder
person alternates between hopelessness and lethargy along with a state of mania. It
used to be called “manic depression”. Think of a bell curve and how it continues through
Mania: can be dangerous as they are hyperactive and lack of controlled impulses. It is
like the break that has been taken off to control our behaviour are no longer there. There
is a feeling of invincibility.
Is it real? Think of the numbers posted on slide 8. Are there higher incidences of bipolar
disorder or better diagnoses than previous decades? Different types of individuals,
diagnostic criteria?
In the new DSM V, there is a disruptive mood dysregulation disorder now used for
children and teenagers. They are not diagnosed with bipolar disorder.
There is also a lot of discussion regarding creativity (slide 9). Are people in the creative
arts prone to mania and depression? Or individuals with bipolar disorder gravitate toward
the arts as they are productive? Coincidence. It is now a major debate.
If depression is a real thing, the elements on slide 11 are required to be taken into
consideration in terms of creating a good theory on the state of depression. Examples
include: behavioural, cognitive changes, geographical and cultural elements, stressful
These questions make good questions for the FINAL EXAM.
There is a link regarding depression and bipolar disorder with genetic influences. Mood
disorders run into families.
Heritability is approximately 40% It is also stronger for identical twins rather than
fraternal twins.
The depressed brain functional MRI (information on slide 13 for definition).
fMRI suggests that patterns mimic brain activity in depression.
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