For a particular cell in the visual system, the pattern of retinal stimulation that most effectively causes the cell to fire. For some cells, this pattern is defined simply in terms of a retinal location; for others, the most effective input has a particular shpae, color, or direction of motion. feature detectors.
Cancun in February. Cancun weather in February is pretty hot with temperatures of 25Â° and 25Â° degrees, might be good for outdoors activity. As it almost never rains in Cancun at February, it is good weather for hanging outside and exploring Cancun.
Cancun, a resort town in southern Mexico, sees its hottest weather in July or August, when average temperatures reach 90 to 92 degrees. The evenings cool off a bit, with temperatures falling to between 76 and 80 degrees. The coolest month in Cancun is January, when average highs range from 80 to 82 degrees and lows average 66 to 68 degrees.