OCD and Personality Disorders

Question 1

Broocks et al

Answer 1

Participants with involuntary eye movements (due to basal ganglia lesion or peripheral nerve injury). Lesion group = obession scores higher BUT don’t have OCD

Question 2

Barbieri et al

Answer 2

Case study. R temporal lobectomy = OC symptoms improved

Question 3

Isaacs et al

Answer 3

Co-morbidity of OCD and TLE random?

Question 4

Lippitz et al

Answer 4

Electrodes in lesions in certain parts of anterior limb of internal capsule. R interior capsule = OC symptoms improved

Question 5

Nuttin et al

Answer 5

DBS to treat OCD symptoms. Stimulate anterior limb of internal capsule = OC symptoms and global symptoms rated less severe

Question 6

Burguiere et al

Answer 6

Model of OCD = dysfunctional cortico-striatal circuitry and OFC much less involved

Question 7

Eng et al

Answer 7

Supports Burguiere et al. Grey matter differences in frontal, striatal, thalamus, parietal and cerebellar regions = no link with OFC. Only study to find this = cortical thickness not good measure?

Question 8

OCD and EDs

Answer 8

Symptoms found in both. Right frontal and subcortical lesions in Gourmand = frontal lobe and impulse control BUT see contradictory OFC findings

Question 9

OCD and Kleptomania

Answer 9

Link to PD too. Impulse to steal objects not needed. Assumption = R frontal lobe and basal ganglia impairment

Question 10

OCD and Gambling disorder

Answer 10

Link to PD too. Obsession, impulse control problem and/or addiction?