Table 1.

Detailed reasons for exclusion.

Reasons	TX	NL	Total
Structural brain abnormality	0	1	1
Exceeds 4.5 mm motion threshold	2	3	5
MRI data quality issue	2	0	2
CAAT performance below 60 % accuracy	3	2	5
Positive drug screen	0	7	7
CUD: too little cannabis use	2	3	5
		Total exclusions	25
		Initial sample	223
		Final sample	198