Vehicle horn of vehicle horns are used by percussionists as sound effects, or even melodically, in musical works. For example, George Gershwin's 1928 orchestral work "An American in Paris" calls for the use of 4 taxi horns. György Ligeti's opera "Le Grand Macabre" features two "Car Horn Preludes" scored for 12 bulb horns, each one tuned to a specific pitch. Klaxon is a trademark for a brand of electromechanical horn or alerting device. Mainly used on cars, trains and ships, Klaxon horns produce an easily identifiable sound, often transcribed onomatopoeiacally in English as "ahoooga." Like most mechanical horns, the klaxon has largely
Bedwetting alarm stop urinating, and travel to the bathroom. After continued pairing of the alarm sound (US) with the feeling of a full bladder (NS), the previous NS of feeling a full bladder becomes the CS and elicits the waking response (CR) of waking up to go use the bathroom and urinate. In the operant conditioning paradigm the alarm sound serves as a noxious stimuli added to the environment, effectively implementing a positive punishment procedure whenever the individual activates the alarm by urinating. This eventually causes an avoidance response from the individual, maintain the behavior through negative reinforcement by avoiding the alarm