The basic underlying function of our physical and other bodies is to pick up signals or stimuli, process them, and respond to them. That is what makes up our daily experiences. Suppose now that we visualize ourselves as a radiolike device that is receiving four or five different stations simultaneously. One station will by far overshadow the others in loudness, and among the others there are also differences in their degree of loudness. We can liken the strongest station to the physical reality. Whatever comes in through this channel is heard most strongly, while the other “stations”
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