Learning and Conditioning

Learning and Conditioning

  • Learning

    • Definition: A relatively permanent change that occurs as a result of experiences or practice.

  • Conditioning

    • Definition: A systematic procedure through which associations and responses from specific stimuli are learned.

Associated Events in Classical Conditioning

  • Stimulus 1

    • Lightning

  • Result After Repetition

    • Stimulus: We see lightning.

    • Association:

    • Stimulus 2: Thunder

    • Result: BOOM!

      • Response: Startled reaction; wincing.

      • Response: Anticipation of loud noise; wincing.

Classical Conditioning Overview

  • Ivan Pavlov

    • Background: A Russian physiologist known for studying digestive processes.

    • Discovery: Noticed that salivation started before the actual presentation of food.

    • Focus: Shifted his research towards the reflex response of dogs.

Classical Conditioning Process

  • Key Terminology:

    • NS (Neutral Stimulus)

    • UCS (Unconditioned Stimulus)

    • UCR (Unconditioned Response)

    • CS (Conditioned Stimulus)

    • CR (Conditioned Response)

  • Stages:

    • Before Conditioning:

    • Neutral stimulus (e.g. tone) produces no salivation response.

    • During Conditioning:

    • Neutral stimulus (tone) + Unconditioned stimulus (food in mouth) paired.

    • Unconditioned stimulus continues to produce an unconditioned response (salivation).

    • After Conditioning:

    • Neutral stimulus (now conditioned stimulus) alone produces a conditioned response (salivation).

  • Process Example:

    • Before Conditioning:

    • Bell does not elicit any response.

    • During Conditioning:

    • Bell + Food = Salivation.

    • After Conditioning:

    • Bell alone elicits salivation (conditioned response).

Key Concepts of Classical Conditioning

  • Definitions:

    • Unconditioned Response (UR): The automatic response to an unconditioned stimulus (UCS).

    • Unconditioned Stimulus (US): A stimulus that naturally triggers a response.

    • Neutral Stimulus (NS): A stimulus that initially produces no specific response.

    • Conditioned Response (CR): The learned response to a previously neutral stimulus that has become conditioned.

    • Conditioned Stimulus (CS): A previously neutral stimulus that, after conditioning, elicits a conditioned response.

Additional Classical Conditioning Concepts

  • Extinction:

    • Definition: The weakening or disappearance of a conditioned response.

    • Explanation: Occurs when the conditioned stimulus is no longer paired with the unconditioned stimulus.

  • Spontaneous Recovery:

    • Definition: The return of the conditioned response after a lapse of time without further conditioning.

  • Reconditioning:

    • Definition: The process of relearning a conditioned response following extinction.

  • Stimulus Generalization:

    • Definition: The conditioned response occurs in the presence of stimuli that are similar to the original conditioned stimulus.

    • Example:

    • Different bell tones still elicit salivation.

  • Stimulus Discrimination:

    • Definition: The differentiation between original conditioned stimuli and similar stimuli, resulting in no conditioned response.

    • Example:

    • Recognizing that a specific bell tone elicits a response while others do not.

  • Higher Order Conditioning:

    • Definition: A neutral stimulus begins to acquire conditioned properties when paired with a previously conditioned stimulus.

    • Explanation: Involves adding a new stimulus to an existing association.

Factors Affecting Classical Conditioning

  1. Frequency: The number of times the neutral stimulus is paired with the unconditioned stimulus.

  2. Timing: The timing between presentation of the neutral stimulus and unconditioned stimulus.

  3. Intensity: The strength of the unconditioned stimulus.

Applications of Classical Conditioning

  • Behaviorism:

    • John B. Watson's Theory: Proposed that conditioning could explain human emotional responses.

    • Example - Little Albert:

    • Conditioned emotional response demonstrated through the case of "Little Albert," where fears were conditioned through association.

    • Extension: Conditioning as a method of developing phobias and other emotional responses.

    • Therapy Applications: Utilized in therapeutic contexts to address fears and phobias.

  • Taste Aversion:

    • Study by Garcia showing that animals can develop aversions to tastes associated with illness, even if the illness is not caused by the food.

  • Learned Helplessness:

    • Concept by Martin Seligman depicting a state of hopelessness and passive resignation undergone by an animal or human when unable to avoid repeated aversive stimuli.