Table 3.

Correlations between clinical measures and performance on the Think/No-think task in the AD group.

	Number of repetitions in learning phase	Number of recalled words
		Training phase	Final test	Baseline	Think	No-think
Pearson coefficient (R)
DDT	0.311	-0.405*	-0.206	-0.313	0.221	-0.020
BIS total score	-0.196	-0.335	-0.078	-0.098	-0.043	-0.002
SCL-90 compulsive index	0.040	-0.125	-0.197	-0.082	-0.055	-0.359*
SCL-90 interpersonal sensitivity index	0.159	-0.415*	-0.377*	-0.334	-0.097	-0.356*
SCL-90 depression index	0.134	-0.312	-0.350*	-0.269	-0.015	-0.465**
SCL-90 anxiety index	0.231	-0.346*	-0.393*	-0.361*	0.019	-0.438**
SCL-90 hostility index	0.057	-0.350*	-0.074	-0.082	0.065	-0.101
SCL-90 phobic index	-0.033	-0.459**	-0.213	-0.299	-0.031	-0.010
SCL-90 paranoid ideation index	0.183	-0.388*	-0.269	-0.283	0.076	-0.282
SCL-90 global severity index	0.107	-0.411*	-0.339*	-0.288	-0.040	-0.380*
SCL-90 positive symptom distress total	0.115	-0.377*	-0.327	-0.256	0.010	-0.445**

*Correlation is significant at the 0.05 level; **Correlation is significant at the 0.01 level.

DDT, Delayed Discounting Task; BIS, Barratt Impulsiveness Scale; SCL-90, Symptom Checklist-90.