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.
The average temperature in Cancun is 80F (26C). January and February are the coolest months; June and July are the hottest. Cancun Weather. Even though the temperature does not vary that much throughout the year, there are 2 distinct seasons in Cancun. The wet (rainy) season is May to October and it is slightly hotter.