When Marianela was a young child and watching TV with her mother, a mouse ran by. Her mother screamed, scaring her. Subsequently, she has been afraid of mice. In this example, the mouse is the after it causes Marianela to become frightened."

Conditioned stimulus

Explanation:

When Marianela was a young child and watching TV with her mother, a mouse ran by. Her mother screamed, scaring her. Subsequently, she has been afraid of mice. In this example, the mouse is the conditioned stimulus after it causes Marianela to become frightened."  In classical conditioning, a conditioned stimulus is a previously neutral stimulus which now elicits a conditioned response (fear in Marianela) after it has become associated with an unconditioned stimulus (Marianela's mother's scream).

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