OCD

Question 1

OCD diagnostic criteria

Answer 1

Presence of persistent obsessions and compulsions

Question 2

Rapoports case study

Answer 2

Charles
14 yr boy obsessed with showering washing hands
Dropped out of school in n out of hospitals
Underwent drug trial fro clomipramine but developed tolerance

Question 3

MEASURES Of OCD

Answer 3

Maudsley Obsessive-compulsive inventory
YBOCS

Question 4

MOCI

Answer 4

30-items
True or false
Related to checking washing slowness
0-30 score range
E.g; I frequently have to check things true or false

Question 5

Y-BOCS

Answer 5

1. Semi-structured interview
2. Checklist
   - ten item severity scale
   0-40
   16 above = ocd

Question 6

Szechtman et al

Answer 6

When dopamine is increased in rats they tend to show repetitive behaviour

Question 7

Leckman et al

Answer 7

Found that some forms of ocd were related to oxytocin dysfunction

Question 8

Westenberg et al

Answer 8

Oppose leckman
Double -blind placebo study
12 patients with ocd
Half were given oxy half were placebo
No difference

Question 9

Monzani et al

Answer 9

Large scale twin study
Found 52% concordance for MZ vs 21%
EST heritability= 48%

Question 10

Ozaki et al

Answer 10

Found a mutation of SERT a gene responsible for low levels of serotonin in 6 members of two unrelated families with ocd

Question 11

Matthiessen et al

Answer 11

1406 ocd patients+ other member of GP
Tried to identify genes that may be linked to ocd
PTPRD and SLITRK3 were implicated

Question 12

Psychological explanation

Answer 12

Look book

Question 13

Biological explanation

Answer 13

Look book

Question 14

Rachman (cognitive)

Answer 14

Obsessive thinking is based on faulty reasoning

Question 15

Behavioral explanation

Answer 15

Operant conditioning
Positive and negative

Question 16

Frued

Answer 16

Symptoms are result of internal conflict between id and ego
Arises during the anal stage
When parents control the child’s defamation it traumatizes the child leading to later disturbances in later life