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In-Depth Information
Table 1.
Parameter values (or initial values) used in the simulations
Symbol
Description
Value
N
Number of neurons in association cortex
50
n
Number of neurons in association cortex
30
Weight of connection from CX1 to CX2
1.0
cx
ij
2
cx
⋅
1
w
Weight of connection from CX2 to CA1
1.0
cx
ij
2
ca
⋅
1
w
α
Learning rate in association cortex
0.0015
hc
β
Learning rate in hippocampus
1.0
hc
Learning rate in amygdala part
0.2
α
AMY
Learning rate in ortbitofrontal part
0.8
β
AMY
Damping coefficient in CNN
0.02
k
f
Damping coefficient in CNN
0.02
k
e
k
Damping coefficient in CNN
0.1, 0.9
Number of neurons in Amygdala
10
N
AMY
θ
Threshold of conventional control
5
Threshold of emotional control
0.0-1.0
θ
AMY
Threshold of Amygdala neurons
0.3, 0.6, 0.9
θ
R
Threshold of association cortex
0.5
cx
θ
Threshold of Amygdala reward
0.0-1.0
n
R
Table 2.
Comparison of memory processing performance with results of mutual association
simulations
Model
Storage time (steps)
Recollection time (steps)
Conventional MCNN [7] [8] [9]
18
17
Amygdala - Hippocampus model
8
35
Table 3.
Comparison of successful rate of recollection with results of one-to-many times series
pattern association simulations (%)
Models
Time series A
Time series B
Failed
Hippocampus - neocortex model [8] [9]
7
3
90
Proposed model of limbic system
9
9
82
