Table 4.

Pairwise correlations (Spearman’s rho) between test T-scores and MDMA use parameters among the MDMA+ Group (n = 21)

Neuropsychological domain deficit and individual test T-scores	Days abstinentcenter		# of dosescenter
	ρ	p value	ρ	p value
Learning domain deficit**	0.06	0.80	−0.02	0.94
BVMT-R Learning	0.02	0.92	−0.02	0.94
HVLT-R Learning	−0.16	0.49	0.31	0.17
Story Memory Test - Learning	0.37	0.11	0.19	0.42
Figure Memory Test - Learning	0.06	0.81	−0.18	0.44
Recall domain deficit**	−0.32	0.17	−0.32	0.16
BVMT-R Delayed Recall	−0.07	0.76	0.45	0.04
HVLT-R Delayed Recall	−0.14	0.55	0.13	0.58
Story Memory Test - Retention	0.13	0.60	0.03	0.91
Figure Memory Test - Retention	0.19	0.43	−0.10	0.68
Attention/Working memory domain deficit**	−0.28	0.23	0.35	0.14
PASAT Total Correct	0.25	0.28	−0.48	0.03
WAIS-III Letter-Number Sequencing	0.24	0.34	−0.14	0.54
Processing speed domain deficit**	−0.24	0.31	0.19	0.41
Trail Making Test A	−0.13	0.31	−0.52	0.02
WAIS-III Symbol Search	0.21	0.38	−0.29	0.20
WAIS-III Digit Symbol	0.09	0.71	−0.19	0.41
Stroop Color Naming	0.08	0.74	−0.25	0.28
Executive/Abstraction domain deficit**	−0.10	0.66	0.18	0.44
Trail Making Test B	0.41	0.07	−0.71	0.00*
WCST-64 Perseverations	0.27	0.26	−0.18	0.43
Stroop Interference Ratio	0.17	0.49	−0.32	0.16
Stroop Incongruent condition	0.20	0.40	−0.36	0.11
Halstead Category Test Errors	0.17	0.50	−0.24	0.31
Verbal Fluency domain deficit**	−0.01	0.95	0.33	0.14
Letter Fluency (FAS)	0.03	0.89	−0.21	0.36
Category Fluency (Animals)	−0.17	0.47	0.03	0.92
Action Fluency (Verb)	−0.05	0.85	−0.21	0.38
Motor domain deficit**	0.01	0.98	0.33	0.34
Grooved Pegboard Dominant Hand	0.18	0.46	−0.41	0.07
Grooved Pegboard Nondominant Hand	0.01	0.98	−0.16	0.49

BVMT-R = Brief visual recall test-revised; HVLT-R = Hopkins verbal learning test-revised; PASAT = Paced auditory serial addition test; WAIS = Wechsler adult intelligence scale; WCST = Wisconsin card sort test;

^*p = 0.0003;

^**High scores indicate poorer performance.