Table 1.

Network parameters.

Parameters	Parameter's descriptions	Value
ηventral	Learning rate in ventral stream	1.0 × 10−5
ηdorsal	Learning rate in dorsal stream	1.0 × 10−3
ηmax	Maximum value of learning rate	1.0 × 10−1
ηmin	Minimum value of learning rate	1.0 × 10−7
Mγ	Proportionality constant of PB units updating rate	1.0 × 10−2
n1	Size of PB unit 1	1
n2	Size of PB unit 2	1
nv	Size of ventral-like layer	50
nd	Size of dorsal-like layer	50
ξ−	Decreasing rate of learning rate	0.999999
ξ+	Increasing rate of learning rate	1.000001