Table 2.

The behavioral results of the BART during fMRI experiment (Mean ± SD).

	IGD (N = 24)	HCs (N = 24)	t	P
Mean pumps	7.77 ± 1.01	7.32 ± 0.93	1.621	0.112
Adjusted pumps	6.28 ± 1.12	5.71 ± 1.10	1.783	0.081
Mean pumps after win	6.91 ± 1.05	6.53 ± 1.03	1.266	0.212
Mean pumps after loss	6.42 ± 1.21	5.82 ± 1.15	1.777	0.082
Total pumps	210.67 ± 9.77	199.21 ± 15.16	3.112	0.003
Trial number	31.21 ± 5.00	31.58 ± 5.03	− 0.259	0.797
Win trials	23.21 ± 5.97	25.00 ± 7.02	− 0.952	0.346
Pop trials	8.00 ± 3.17	6.58 ± 2.81	1.636	0.109
Reward collection rate	0.74 ± 0.11	0.78 ± 0.12	− 1.233	0.224
Response time (ms)	494.29 ± 71.84	553.21 ± 110.23	− 2.194	0.033

Two-sample two-tailed t-tests. Significant level is set as P < 0.05.