Exam 2 Flashcards
Learning
A relatively permanent change in behavior that occurs through experience.
Associative learning
Learning that certain events occur together. Can either by two stimuli (classical conditioning) or a response and its consequence (operant conditioning)
Classical conditioning (learning type)
SR (Stimulus response) Learning
Classical conditioning (definition)
Learn to associate two stimuli and therefore anticipate events
Unconditioned stimulus (US)
Unlearned stimulus. Individual already knows about this stimulus.
Unconditioned response (UR)
Unconditioned response, almost like a reflex.
Conditioned stimulus (CS)
Stimulus that was previously neutral (had no meaning) repeatedly paired with unconditioned stimulus.
Conditioned response (CR)
Conditioned response, learned throughout the pairing of conditioned and unconditioned response.
Principles of classical conditioning
- Acquisition
- Higher order conditioning/second order conditioning
- Generalization
- Discrimination
- Extinction
- Spontaneous recovery
Acquisition (definition)
The initial learning of an association.
Acquisition (types)
- Backward conditioning
- Simultaneous conditioning
- Trace conditioning
- Delayed conditioning
Backward conditioning
US preceded the CS.
- Feeding and then banging the spoon
- Not very effective
Simultaneous conditioning
CS and US presented at same time
- Banging the spoon and giving food at same time
- Not very effective
Trace conditioning
CS is discontinued before the US is presented
- Banging the spoon and taking a short break before feeding
- More effective
Delayed conditioning
CS presented at least until the US is presented.
- Banging the spoon and feeding immediately
- Most effective
Higher order conditioning (another name)
Second order conditioning
Higher order conditioning/Second order conditioning
You have an established conditioned response but you pair a new stimulus with an already learned conditioned stimulus.
- Learning to put the CS with the US that was previously the CS
- Ex: Opening drawer before banging spoon before getting food
Generalization
Conditioned response occurs to stimuli that are similar to an established conditional stimulus
- Ex: Opening drawer but it was the wrong drawer.
Discrimination
An individual learns to respond to certain stimuli but not others.
- Ex: Learning to differ between drawer sounds.
Extinction
The behavior no longer produces the outcome that was influencing. If you engage in behaviors that used to be reinforced and it’s no longer reinforced, the individual will stop engaging in that behavior.
- Ex: Switched to dry food. No longer uses spoons to feed. Cat slowly dissociates from the drawer opening.
Spontaneous recovery
Occurs when the conditioned response appears after having previously been extinguished.
Explanations for classical conditioning
- Stimulus substitution
- Information theory
- Biological mechanisms
Stimulus substitution - Explanations for classical conditioning
Explanation of classical conditioning.
- The conditioned stimulus comes to be perceived exactly as the unconditioned stimulus at the level of the nervous system.
Information theory - Explanations for classical conditioning
Explanation of classical conditioning.
- A cognitive explanation that the individual is learning that the conditioned stimulus is telling us something about the delivery of the unconditioned stimulus. It’s a signal that’s telling us what’s about to happen.
Biological mechanism - Explanations for classical conditioning
Explanation of classical conditioning.
- With some types of classical conditioning, there are neurons in the cerebellum that are activated when an individual learns the connection b/t the conditioned and unconditioned stimulus.
Operant conditioning
Associate a response and its consequence. The consequence shapes the behavior.
Thorndike’s Law of Effect
Behaviors that are followed by positive outcomes strengthen the behavior. Behaviors that are followed by negative outcomes weaken behavior
- Put cats in puzzle boxes (food outside box) so the cat learned to get out of the box –> The cats could get out faster and faster each time.
Reinforcement
Increases behavior
Positive Reinforcement
Increases behavior, adds something
Negative reinforcement
Increases behavior, removes something
Primary reinforcers
“Primitive” Biological reinforcers, unlearned. Food, air, water, sex.
Secondary reinforcers (another name)
Conditioned reinforcers
Secondary reinforcers (definition)
Can substitute biological reinforcers. Get power through learned association with primary reinforcers.
Delayed reinforcers
Delay in reinforcement leads to decrease in learning. Harder to make associations.
Reinforcement schedules
How often a desired response will be reinforced.
Continuous reinforcement
Reinforcing every time it occurs. Learning AND extinction occur rapidly.
Partial/Intermittent reinforcement
Slower to learn but more resistant to extinction.
Fixed-ratio operant conditioning
Reinforces a response after a specific number of responses.
Variable-ratio operant conditioning
Reinforces a response after a random number of responses.
Fixed-interval operant conditioning
Reinforces a response after a specific amount of time has elapsed.
Variable-interval operant conditioning
Reinforces a response after a random amount of time has elapsed.
Punishment
Decreases behavior
Positive punishment
Decreases behavior adds something bad
Negative punishment
Decreases behavior, removes something good
Principles of operant conditioning
- Shaping
- Extinction
- Chaining
- Instinctive drift
Shaping
Principles of operant conditioning
- Reward successive approximations of the desired behavior.
- Helps us understand what nonverbal organisms can perceive (bc we shape them to respond to one stimulus and if we present another we can tell if they perceive a difference)
Chaining
Principle of operant conditioning
- Teaching the animal a series of behaviors, starting with the last behavior first.
- Prevents extinction.
Instinctive drift
Principle of operant conditioning
- Animal that has learned a trick reverts to its natural behaviors.
Taste aversion
When an organism associates a taste with a negative experience (becoming ill) and avoids the taste in the future.
Instinctive drift
Learned behavior gradually reverts back to biologically predisposed patterns.
Social Learning theory (person)
Bandura
Bobo doll study
Bandura - Children became aggressive after watching an adult hurt a bobo doll
Modeling
The process of observing and imitating a specific behavior
Mirror neurons
Frontal lobe neurons some scientists believe fire when we perform certain actions or observe another doing so. The brain’s mirroring may enable imitation or empathy.
- When an organism sees, its neurons mirror what another organism does
- Empathy
Prosocial effects
Learning positive, helpful behaviors from social settings
Antisocial effects
Learning negative behaviors from social settings
Prospective memory
Memories for the need to do actions in the future
Retrospective memory
Memories from our past.
Retrograde amnesia
Lost memories in the past
Anterograde amnesia
Unable to form new memories
Memory models 3 types
Encode
Store
Retrieve
Encode
Get info into brain
Store
Retain info
Retrieve
Access info at a later time
Information-processing model (Definition)
Memory storage areas (3 types)
Sensory
Short term/working
Long term
Types of memory storage areas
- Sensory memory
- Short-term/working memory
- Long-term memory
Sensory memory
Memory of sensory experiences (seeing, hearing, etc.). Very brief and fleeting. Encodes to short term memory. If it’s not stored, it’s forgotten. Forgetting so soon allows us to not hold on to useless info.
- Iconic
- Echoic
Iconic memory
Sensory memory for visual info
- George Sperling–displayed letters on a screen briefly. Partial report technique (could have participants report part of the letters (top row, bottom row, etc.)
Echoic memory
Sensory memory for auditory info
Short-term/working memory
Holds _ pieces of info
Without rehearsal…
Holds info for a longer period of time. Stores and maintains memory.
- Holds ~ 7 pieces of info
- Without rehearsal it is forgotten.