Stimulation generalization refers to the formation of conditional effects that enable an organism to acquire a specific response to a certain stimulus, so it is also possible to respond to similar stimuli with the same behavior. Stimulation differentiation is to make the organism through selective strengthening and regression. Learn to react differently to conditioned stimuli and stimuli similar to conditioned stimuli. Based on the above definition, Which of the following statements are incorrect:. ['"Once bitten by a snake, ten years of fear of good ropes" belongs to the stimulus generalization.', '"Looking horizontally into a ridge and a peak, with different heights and distances" is a kind of stimulus differentiation.', 'In order to highlight the brand, the manufacturer uniquely designs the packaging to try to make customers differentiate.', 'After a brand of toothpaste becomes a famous brand, the manufacturer also names the cosmetics it produces under the same brand, using the generalization of customer stimulation.']