Unconditioned stimulus
Unconditioned Stimulus
The Unconditioned Stimulus (pronounced: un·con·di·tioned stim·u·lus) is a term used in classical conditioning to refer to a stimulus that naturally and automatically triggers a response without any learning process. The term is derived from the Latin words 'un' meaning 'not', 'conditio' meaning 'condition', and 'stimulus' meaning 'goad or spur'.
Definition
In the context of psychology, an Unconditioned Stimulus is an event or object that is inherently capable of eliciting a response. This is in contrast to a conditioned stimulus, which only elicits a response after being associated with an unconditioned stimulus.
Examples
Common examples of unconditioned stimuli include food, which naturally triggers feelings of hunger, and a loud noise, which naturally triggers a startle response. These responses do not need to be learned; they are automatic and unlearned reactions to certain stimuli.
Related Terms
- Unconditioned Response: The automatic response triggered by an unconditioned stimulus.
- Conditioned Stimulus: A previously neutral stimulus that, after being repeatedly associated with an unconditioned stimulus, comes to trigger a conditioned response.
- Conditioned Response: The learned response to the previously neutral stimulus.
See Also
External links
- Medical encyclopedia article on Unconditioned stimulus
- Wikipedia's article - Unconditioned stimulus
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