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Schlagwörter:
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Zusammenfassung:
THE ganglion cells of the frog retina can be sub-divided into different functional classes1. When investigated under light adapted conditions, class I cells (sustained edge detectors) respond to sharp edges moving through their receptive field, giving a stronger response when the object causing the edge is small than when it is large. A sustained response occurs when an edge is stopped within the field. In darkness, with a standing edge present in the receptive field, a response can be elicited by turning on the light or by a short flash of light.
