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Questions and Answers
What is learning defined as?
What is learning defined as?
What is the term for a stimulus that elicits a reflexive response?
What is the term for a stimulus that elicits a reflexive response?
What is the conditioned response in classical conditioning?
What is the conditioned response in classical conditioning?
What type of reinforcement occurs when reinforcement is provided after every response?
What type of reinforcement occurs when reinforcement is provided after every response?
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What is the term for the process of losing a conditioned response?
What is the term for the process of losing a conditioned response?
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What is the type of conditioning that involves rewards or punishments?
What is the type of conditioning that involves rewards or punishments?
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What is the purpose of shaping?
What is the purpose of shaping?
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What is the term for any procedure that increases the response?
What is the term for any procedure that increases the response?
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What is the difference between positive and negative punishment?
What is the difference between positive and negative punishment?
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What is the purpose of biofeedback?
What is the purpose of biofeedback?
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What is an example of conditioning of emotional responses?
What is an example of conditioning of emotional responses?
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What is the term for a stimulus that is naturally paired with an unconditioned response?
What is the term for a stimulus that is naturally paired with an unconditioned response?
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What type of reinforcement schedule is more resistant to extinction?
What type of reinforcement schedule is more resistant to extinction?
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What is the term for a response that is voluntary and associated with cues in the environment?
What is the term for a response that is voluntary and associated with cues in the environment?
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What is an example of a partial reinforcement schedule?
What is an example of a partial reinforcement schedule?
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What is the autonomic nervous system (ANS) responsible for?
What is the autonomic nervous system (ANS) responsible for?
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What is the term for any procedure that decreases the response?
What is the term for any procedure that decreases the response?
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What is the main difference between fixed and variable reinforcement schedules?
What is the main difference between fixed and variable reinforcement schedules?
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Study Notes
Learning
- Learning refers to relatively permanent changes in behavior resulting from practice or experience
- Innate behaviors are inborn, emerge during certain periods, and are not the result of learning
Classical Conditioning
- Certain stimuli can elicit a reflexive response (e.g., air puff >> eye-blink, smelling food >> salivation)
- Key terms:
- CS (Conditioned Stimulus)
- UCS (Unconditioned Stimulus)
- CR (Conditioned Response)
- UCR (Unconditioned Response)
- The reflexive stimulus (UCS) and response (UCR) are unconditioned
- The neutral stimulus is referred to as the conditioned stimulus (CS)
- In classical conditioning, the CS is repeatedly paired with the reflexive stimulus (UCS)
- Eventually, the CS will produce a response (CR) similar to that produced by the UCS
Pavlov's Experiment
- Conditioning of emotional responses (e.g., John Watson's Little Albert study)
- CS: a white rat
- UCS: a loud banging sound
- UCR: fear/startle response
- Eventually, Albert exhibited fear to the white rat
Other Instances of Learning
- Positive conditioning: attraction in advertising (e.g., brand name + attractive model => liking)
- Negative conditioning: aversion (e.g., flavor + illness => flavor aversion)
Extinction
- Pairings of the CS and UCS lead to conditioning, whereas presentation of the CS only leads to loss of the conditioned response
- Extinction refers to loss of response to a CS presented without the UCS
- Extinction is not forgetting
- Extinction is useful in clinical situations (e.g., extinction of a phobia can be treated by exposure to the CS only)
Operant/Skinnerian Conditioning
- Organisms make responses that have consequences (e.g., punishment, reinforcement)
- The response can be associated with cues in the environment (e.g., putting coins in a machine to obtain food)
- Key aspects of operant conditioning:
- In operant conditioning, the stimulus is a cue, it does not elicit the response
- Operant responses are voluntary
- In operant conditioning, the response elicits a reinforcing stimulus
Key Terms of Operant Conditioning
- Reinforcement: any procedure that increases the response
- Punishment: any procedure that decreases the response
- Types of reinforcers:
- Primary: e.g., food or water
- Secondary: e.g., money or power
Schedules of Reinforcement
- Continuous: reinforcement occurs after every response (produces rapid acquisition and is subject to rapid extinction)
- Partial: reinforcement occurs after some, but not all, responses (responding is more resistant to extinction)
Partial Reinforcement Schedules
- Ratio: every nth response is reinforced (e.g., fixed or variable ratio)
- Interval: first response after some interval results in reinforcement (e.g., fixed or variable interval)
Shaping
- Shaping: rewarding successive approximations towards the final goal
- Used often in phobias (e.g., fear of snakes)
Punishment
- Positive Punishment: presenting a stimulus that leads to a lowered likelihood for a response to occur in the future
- Negative Punishment: removing a stimulus that leads to a lowered likelihood for a response to occur in the future
Biofeedback
- Feedback allows for control of responses
- The autonomic nervous system (ANS) does not provide sufficient sensory feedback to the brain to allow for conscious control
- Biofeedback uses electronic devices to provide feedback and control of ANS function (e.g., heart rate, blood pressure)
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Description
Learn about the key concepts of classical conditioning, including conditioned and unconditioned stimuli and responses, and how they relate to learning and behavior.