1
The distribution of symptoms is similar in GTS with and without OCD, and differs from tic- free OCD.
2
Methods: Performance of 27 drug- free OCD patients and 26 healthy volunteers was compared on the decision making task of Bechara et al.
3
Methods: We collected morning stool and blood samples from 21 non-depressed, medication- free OCD patients and 22 age- and sex-matched non-psychiatric community controls.