The locust visual system contains a well-defined motion-sensitive pathway that transfers visual input to motor centers involved in predator evasion and collision avoidance. One interneuron in this pathway. the descending contralateral movement detector (DCMD). is typically described as using rate coding; edge expansion of approaching objects causes an increased rate of neuronal firing... https://allfixelectricales.shop/product-category/vacuum-speed-control-cover/