This category of actions, central to understanding classical conditioning, refers to involuntary responses elicited by specific stimuli. These are behaviors that occur automatically as a reaction to an environmental trigger. A prototypical example is salivation in response to the presentation of food; the food acts as the stimulus, and the salivation is the involuntary response. This type of action contrasts with operant behaviors, which are voluntary and controlled by their consequences.
The study of these elicited actions is fundamental to comprehending how organisms learn to associate stimuli and predict events. Understanding this basic form of learning has broad implications, informing treatments for phobias, anxieties, and other conditions where involuntary responses play a significant role. The early work of Ivan Pavlov, particularly his experiments with dogs, provided the historical foundation for the systematic investigation of these stimulus-response relationships, revolutionizing the field of behavioral psychology.