Table 1.

Parameters and values as used in the HiTEC simulations discussed in this article

Category	Parameter	Value
External inputs	External input (stimulus, motor execution)	0.5
Sensory weights	Sensory—feature forward	0.4
	Sensory—feature backward	3.0
Task—feature weights	(Stimulus) feature—task forward, and task—(response) feature forward	1.3a
	(Response) feature—task backward, and task—(stimulus) feature backward	0.2
Inhibition	Excitatory to inhibitory paired unit	1.25
	Inhibitory to other excitatory codes within layer	−0.75
Activation parameters	d a Decay parameter	0.1b
	qa Sigmoid parameter in response function	0.9
	na Sigmoid parameter in response function	4
	γ Scale parameter	0.9
Noise	Mean	0.025
	Standard deviation	0.001
Thresholds	Voltage threshold (VT)	0.5
	Learning threshold (LT)	0.55
	Response threshold for motor code selection	0.7
Weight parameters	Weight decay (d w)	0.0005

^a0.8 for ‘other’ features (i.e., key, light, sound)

^b0.2 for sensory codes