Tick Tock Pavlov conditioned his dogs to salivate in response to auditory stimuli, such as bells, tones, and ticking metronomes. A metronome is a device that musicians often use to maintain tempo. This “old-fashioned” metronome has a wind-up knob and a pendulum that ticks at various speed settings. Modern metronomes are digital and often come with additional features such as adjustable volume.
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