Table 1.

Correlations between neurotransmitter concentrations and behavioral indices

Condition	PFC				PPC				VC
Condition	r	p	r_s	p	r	p	r_s	p	r	p	r_s	p
AB magnitude
Normal	−0.62	<0.01	−0.55	<0.01	0.51	<0.02	0.59	<0.01	−0.16	0.48	−0.33	0.12
Difficult	−0.23	0.30	−0.21	0.32	0.45	<0.04	0.44	<0.04	0.11	0.61	0.09	0.67
First-target accuracy
Normal	0.54	<0.01	0.48	<0.02	−0.08	0.74	−0.17	0.41	0.22	0.33	0.13	0.53
Difficult	0.28	0.19	0.26	0.21	−0.35	0.11	−0.22	0.30	0.26	0.23	0.39	0.06