Sense qualities {quality, sense} depend on opponent and categorization processes.
sum
ON-center neuron can add inputs from two neurons. Brightness depends on adding.
opponent processes
ON-center neuron can receive input from two neurons. Input from one neuron subtracts from input from other neuron. Human color vision uses such opponent processes. (Opponent-process opposites have same information as opponent process.)
continuous
Sum and opponent processes make continuous scales. For example, values can range from +1 to -1.
categorization
To divide ranges into intervals and make discrete categories, neurons use thresholds [Damper and Harnad, 2000]. Comparing different opponent processes can filter to make categories.
Consciousness>Consciousness>Sense>Physiology
1-Consciousness-Sense-Physiology
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Date Modified: 2022.0224