Dictionary of Cancer Terms
View in Spanish: Estímulo condicionado
Conditioned stimulus (kun-DIH-shund STIM-yoo-lus)
A situation in which one signal, or stimulus, is given just before another signal. After this happens several times, the first signal alone can cause the response that would usually need the second signal.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.