αr | Striosomal spectrum spacing | 50.0 |
βr | Striosomal spectrum offset | 1.0 |
ΓG | Calcium spike threshold | 0.37 |
αG | Calcium activation rate | 5.0 |
βG | Calcium passive decay rate | 20.0 |
BG | Calcium concentration maximum | 5.0 |
αy | Calcium recovery rate | 1.0 |
βy | Activity-dependent calcium inactivation rate | 80.0 |
ΓY | Calcium inactivation threshold | 0.18 |
ΓS | Striosomal output threshold | 0.2 |
γs | Striosomal learning gain | 10000 |
αz | Striosomal learning rate | 0.1 |
wRS | Hypothalamus-to-ventral striatum synaptic |
| weight | 1.2 |
τS | Ventral striatal cell response time constant | 30.0 |
τWS | CS-to-ventral striatal learning rate | 20.0 |
WSmax | Maximum CS-to-ventral striatal synaptic |
| weight | 2.5 |
βWS | CS-to-ventral striatal weight decay rate | 0.2 |
AS | Ventral striatal activity passive decay rate | 0.7 |
ΓN | Phasic dopamine signal threshold | 0.0 |
τP | PPTN cell response time constant | 200.0 |
tUP | PPTN afterhyperpolarization time constant | 4.0 |
τD | Dopamine cell response time constant | 15.0 |
WPD | PPTN-to-dopamine cell synaptic weight | 50.0 |
WSP | Ventral striatal-to-PPTN cell synaptic |
| weight | 2.0 |
WRP | Hypothalamus-to-PPTN cell synaptic weight | 0.8 |
WUP | PPTN afterhyperpolarization gain | 140.0 |
ΓP | PPTN output signal threshold | 0.135 |
τ | Baseline average dopamine time constant | 4.0 |
ID | Tonic input to dopamine cell | 0.15 |
hD | Dopamine cell maximum hyperpolarization | 0.1 |
VI | Integrate-and-fire (IAF) model output | 0.5 |
R | IAF model membrane resistance | 1333 |
C | IAF model membrane capacitance | 0.025 |
ςnoise | IAF Gaussian noise input | 0.4 |
RDA | IAF dopamine cell membrane resistance | 80 |
RPPTN | IAF PPTN cell membrane resistance | 6667 |
CPPTN | IAF PPTN cell membrane capacitance | 0.005 |
ςPPTN | IAF PPTN cell Gaussian noise input | 0.1 |