Definition

1. Noun:
   • An acquired response that is under the control of (conditional on the occurrence of) a stimulus: A conditioned reflex is a learned, automatic reaction to a specific stimulus that was previously neutral. It is not an innate or natural reflex but is developed through repeated association.

Usage

• The term "conditioned reflex" is used primarily in psychology, neuroscience, and behavioral science to describe learned automatic behaviors.
• It is a formal, academic term. In more general or informal contexts, people might use terms like "learned response" or "conditioned response."

Examples

• Noun:
  • Pavlov's famous experiment with dogs demonstrated a conditioned reflex, where the sound of a bell (conditioned stimulus) triggered salivation (conditioned response).
  • The flinch she developed after the accident was a conditioned reflex to loud noises.
  • Therapists sometimes work to undo harmful conditioned reflexes, such as a fear response to a particular situation.

Advanced Usage

• "to establish a conditioned reflex": to create or train a learned automatic response through conditioning.
  • The researcher worked to establish a conditioned reflex in the laboratory mice.
• "a deeply ingrained conditioned reflex": a learned response that is very strong and automatic.
  • Checking his phone upon hearing any notification sound had become a deeply ingrained conditioned reflex.

Variants and Related Words

• Conditioned Response (CR) (n): A more common synonym for "conditioned reflex," specifically referring to the learned reaction.
  • The conditioned response in the experiment was an increase in heart rate.
• Classical Conditioning (n): The learning process through which a conditioned reflex is formed.
  • The principle of classical conditioning explains how phobias can develop.
• Unconditioned Reflex (n): An innate, automatic response to a stimulus (e.g., pulling your hand from a hot surface). This contrasts with a reflex.
  • Blinking when something approaches your eye is an unconditioned reflex.

Synonyms

• Conditioned Response: The most direct synonym.
• Learned Reflex: Emphasizes the acquired nature of the response.
• Acquired Response: A more general term for a reaction that is not innate.

Related Phrases

• Pavlovian Response: An idiom based on Ivan Pavlov's work, often used to describe a predictable, automatic reaction to a specific cue.
  • His excitement at the sound of the ice cream truck was a pure Pavlovian response.

Noun

1. an acquired response that is under the control of (conditional on the occurrence of) a stimulus