Apr 19, 2018 · any agent, event, or situation—internal or external—that elicits a response from an organism. See conditioned stimulus; unconditioned stimulus. any change in physical energy that activates a sensory receptor. See distal stimulus; proximal stimulus.

Feb 2, 2024 · An unconditioned stimulus (US) is something that naturally triggers a reflexive response without prior learning or conditioning. For example, the smell of food causing hunger or a loud noise causing a startle response.

In psychology, a stimulus is any object or event that elicits a sensory or behavioral response in an organism. In this context, a distinction is made between the distal stimulus (the external, perceived object) and the proximal stimulus (the stimulation of sensory organs).

Psychology Definition of STIMULUS: Any external or internal situation, event or agent that arise a response from animal or human. Stimulus can be of many.

Sep 15, 2024 · But what exactly is a stimulus in psychology? At its core, a stimulus is any event or object that elicits a response from an organism. It could be as simple as a sudden noise that makes you jump or as complex as a childhood memory triggered by a familiar scent.

Jan 1, 2025 · Stimulus refers to the various elements of the internal and external environment that can be sensed by an organism and cause reactions in tissues, organs, and the body. Stimulus is the most basic concept in behaviorism.

A stimulus is any object or event that elicits a response. For example, when food is presented to a lab mouse as a reward for pressing a lever, the food is a stimulus, and the mouse will likely respond by pressing the lever again.

May 26, 2024 · A discriminative stimulus is a term used in psychology, particularly within the branch of behaviorism and operant conditioning, to refer to a specific type of stimulus that is used to guide behavior.

In the realm of psychology, a stimulus is broadly defined as any object or event that elicits a sensory or behavioral response in an organism. Examples of stimuli include changes in the environment, such as the sound of a bell or the sight of food, which can lead to learned responses like salivation or hunger.

“There is only one problem in psychology and that is the definition of the stimulus.” (Stevens, S.S., 1951) During the past 50 years, we have witnessed a remarkable integration of operant conditioning and animal cognition.