Any individual neuron has its receptive field on the skin.
The receptive fields of each nerve ending are very large, and may overlap.
To produce a sustained response, the stimulus must be moving across the receptive field.
This receptive field would be described as stopped at one end (i.e. the right).
They have much larger receptive fields which are nonetheless also center-surround.
Under the conditions that usually obtain in receptive field plotting studies one further distinction has been reported.
The object that it is looking at will be many times larger than a single receptive field.
They also produce transient responses, but have large receptive fields.
If the two points touched span more than a single receptive field then both will be felt.
A receptive field is a small region within the entire visual field.
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