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Related Concept Videos

Principles of Classical Conditioning01:23

Principles of Classical Conditioning

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Classical conditioning, as described by Ivan Pavlov, is a foundational concept in associative learning, where a neutral stimulus becomes capable of eliciting a conditioned response through association with an unconditioned stimulus. The process of acquisition, where this learning occurs, and the subsequent phenomena of contiguity, contingency, generalization, discrimination, extinction, and spontaneous recovery are crucial for a comprehensive understanding of classical conditioning.
During the...
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Non-Verbal Cues01:29

Non-Verbal Cues

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Non-verbal communication extends beyond gestures and facial expressions to include vocal elements known as paralanguage. Paralanguage consists of non-verbal vocal cues such as pitch, loudness, speech rate, pauses, and non-verbal vocalizations like laughter, sighs, and moans. These elements not only accompany speech but also provide critical emotional and contextual information.The Role of Paralanguage in CommunicationParalanguage adds depth to spoken language by conveying emotions and...
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Real-World Application of Classical Conditioning01:15

Real-World Application of Classical Conditioning

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Classical conditioning not only includes the initial pairing of stimuli but also extends to more complex forms, such as higher-order conditioning. Higher-order conditioning involves creating associations beyond the primary conditioned stimulus, resulting in a chain of conditioned responses.
Higher-order, or second-order, conditioning occurs when a neutral stimulus becomes associated with an already established conditioned stimulus through repeated pairings. For instance, if a dog has been...
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Conditioned Taste Aversion01:14

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Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single...
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Classical Conditioning in Daily Life01:17

Classical Conditioning in Daily Life

2.4K
Classical conditioning, a fundamental principle of associative learning, explains various phenomena observed in daily life, such as fear development, the placebo effect, taste aversion, and drug habituation. These applications demonstrate the profound impact of associative learning on human behavior and physiological responses.
John B. Watson and Rosalie Rayner famously demonstrated the development of fear through classical conditioning in their experiment with Little Albert. They paired the...
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Classical Conditioning01:18

Classical Conditioning

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Associative learning, a core principle in behavioral psychology, involves forming connections between events and facilitating learned responses. This concept is vividly illustrated by classical conditioning, a process extensively studied by the Russian physiologist Ivan Pavlov. Pavlov's pioneering research on dogs' digestive systems led to the discovery that behaviors can be learned through association, laying the groundwork for classical conditioning.
Ivan Pavlov observed that dogs...
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Related Experiment Video

Updated: Feb 22, 2026

Pavlovian Conditioned Approach Training in Rats
06:57

Pavlovian Conditioned Approach Training in Rats

Published on: February 4, 2016

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Preconditioned cues have no value.

Melissa J Sharpe1,2,3, Hannah M Batchelor1, Geoffrey Schoenbaum1,4,5,6

  • 1NIDA Intramural Research Program, Baltimore, United States.

Elife
|September 20, 2017
PubMed
Summary
This summary is machine-generated.

Sensory preconditioning does not directly support conditioned reinforcement in rats, challenging the idea that dopamine signals model-free value. This suggests dopamine

Keywords:
dopaminelearningneurosciencepreconditioningprediction errorratsecond order conditioning

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Related Experiment Videos

Last Updated: Feb 22, 2026

Pavlovian Conditioned Approach Training in Rats
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Trace Fear Conditioning in Mice
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Area of Science:

  • Neuroscience
  • Behavioral Psychology
  • Learning and Memory

Background:

  • Sensory preconditioning (SP) has been linked to midbrain dopamine, prompting debate on whether dopamine signals model-based or model-free learning.
  • Previous research suggests that SP cues might acquire model-free value through mediated learning, complicating dopamine's role.

Purpose of the Study:

  • To investigate whether a preconditioned cue can support conditioned reinforcement.
  • To determine if preconditioned cues accrue model-free value, directly or indirectly.

Main Methods:

  • Rats were trained using a sensory preconditioning paradigm.
  • The ability of directly conditioned, second-order conditioned, and preconditioned cues to support conditioned reinforcement was tested.

Main Results:

  • Both directly conditioned and second-order conditioned cues supported robust conditioned reinforcement.
  • A preconditioned cue did not support conditioned reinforcement in this paradigm.

Conclusions:

  • The preconditioned cue does not directly accrue model-free value.
  • These findings challenge the interpretation that dopamine neuron activity in SP reflects value prediction errors.