Class Notes (806,815)
Canada (492,451)
Psychology (4,968)
PSYCH 2AP3 (472)

Anxiety Disorders (4).docx

2 Pages
Unlock Document

McMaster University
Richard B Day

October 22 , 2012 Psych 2AP3: Abnormal Psychology – Major Disorders Anxiety Disorders (4) Obsessive-Compulsive Disorder - obsessions: persistent disturbing or disruptive thoughts, impulses, images. Cannot easily be dismissed. Disruptive and disturbing and cannot be easily eliminated - compulsions: compelled to engage in this behaviour over and over again very often in a ritualistic way. Repetitive, ritualistic behaviours individual compelled to perform. Anxiety is produced if you do not engage in these behaviours. - Relatively small range of sorts of compulsions that we see in OCD, one of the classic ones is hand washing, organizing and ordering, checking and rechecking, counting, repeating words silently OCD: Epidemiology - 1% annual, 1.5% lifetime prevalence in U.S. - usually starts in adolescence, early adulthood (can begin in childhood) - for adult OCD, males = females, no imbalance between the sexes - for childhood OCD, male:female ratio 3:1, very unusual in anxiety disorders OCD: Eiology - why the contents are so restricted - psychodynamic perspective:  symptom has symbolic link to underlying conflict  typical way to deal with unconscious conflict is to transfer the conflict to something else that causes less anxiety  do successfully reduce anxiety  conflict often localized to anal period due to concerns with order, cleanliness  has not dominated the clinical approach to OCD - biological perspective:  higher serotonin inhibitory activity in OCD: over-activity in the neurotransmitter systems using serotonin, most connections that serotonin has are inhibitory affect that could result in excitation somewhere else  higher concordance rate of OCD in mz twins than dz twins suggesting there is an underlying biological diathesis, runs in families, even individuals who don’t meet the full criteria, we will see among their relatives some form of obsessive or compulsive behaviour that is not to the clinical level  reduced OCD coincides with reduced blood level of serotonin metabolites (break down products): reducing the symptom
More Less

Related notes for PSYCH 2AP3

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.