. Author manuscript; available in PMC: 2015 Feb 19.

Published in final edited form as: Behav Brain Res. 2009 Jan 8;200(1):48–59. doi: 10.1016/j.bbr.2008.12.036

Table 2.

Tonic and phasic levels of dopamine used to simulate healthy control, PD on and PD off data. In equation 13, the tonic dopamine level is D_Tonic and the phasic reward and disappointment dopamine levels are ΔD_Max.

	Tonic dopamine level	Phasic reward dopamine level	Phasic disappointment dopamine level
HC	1	1.6	0.7
PD On	1	1.4	0.8
PD Off	0.8	1.3	0.6