Cognitive Learning - The Psychology of Learning Flashcards
Midterm 2
Defining Learning
Learning: a process by which knowledge or behaviour change as a result of experience
-a relatively permanent change
-not instinct, it is from our environment
-cannot be attributed to illness, injury, or maturation
Defining Learning
-physical and chemical changes in the brain and dendrites
Chemical Aspects:
-Changes to chemical aspects of neurotransmission (Learning strengthens the connections between neurons by improving neurotransmission (how brain cells send signals).
-An example is long-term potentiation (LTP), where repeated stimulation makes neurons more likely to fire together, strengthening memories. Neurons link strengthen/connections, which causes the sending neuron to be more likely to easily trigger an action potential
Structural Aspects:
-changes to structural aspects of neurons (e.g. more receptor sites or structure increases the sensitivity of post synaptic dentrites)
-Learning can increase the number of receptor sites on neurons, making them more sensitive to signals
The number and thickness of dendrites affect how well neurons communicate:
More dendrites = More connections to other neurons, making it easier to receive signals.
Thicker dendrites = Stronger and faster signal transmission.
These changes help the sending neuron trigger an action potential (AP) in the next neuron more easily, improving learning and memory.
These changes help store new information and improve memory over time!
How Do We Learn
-By Association
-By Condition
-By Observation
How Do We Learn
-By Association
Learning by association means making connections between things, so that one thing predicts or influences another. There are two main types:
- Classical Conditioning (involuntary): Learning happens when two things are repeatedly paired together.
- Operant Conditioning (voluntary): Learning happens through rewards and punishments.
How Do We Learn
By Cognition
Learning by Cognition means learning through thinking, understanding, and mental processes rather than just through direct experience or rewards. It involves forming mental representations of events, concepts, or problems.
How Do We Learn
By Observation
-Watching others
-copying people’s actions
Associative Learning
-When we associate two events together
-not our choice, it just happens to us
-certain events occur together
-e.g. you listen to a song and a flood of emotions come because you a song with a certain period in life
-two types: Classical Conditioning and Operant Conditioning
Classical Conditioning
Classical Conditioning is a type of learning where an involuntary response happens because two stimuli are repeatedly paired together.
Key Features:
-Involuntary & Physiological (automatic responses, like salivation or fear)
-Not based on own behavior (happens naturally without conscious control)
-Association between two stimuli (one predicts the other)
Example:
Pavlov’s Dogs – A dog naturally drools when it sees food. If a can opener (neutral stimulus) is always used before feeding, the dog will start drooling just at the sound of the can opener:
-Before Conditioning: Food → Drool
-During Conditioning: Can Opener + Food → Drool
-After Conditioning: Can Opener → Drool
Real-Life Examples:
Feeling hungry when you hear the sound of popcorn at a movie theater.
Flinching when you hear thunder after seeing lightning.
Getting anxious when you hear a dentist’s drill because you associate it with pain.
Key Idea: Classical conditioning creates automatic responses by making connections between things that repeatedly happen together!
Operant Conditioning
Operant conditioning is a type of learning where voluntary behavior is influenced by consequences—either rewards or punishments—which increase or decrease the likelihood of that behavior happening again.
-can choose behaviour and outcome
-behaviour can operate on environment/modify outcomes
-E.g. doing chores = allowance (reward)
Key Features:
-Voluntary behavior (you choose to do it)
-Reinforcement (increases behavior) and —-Punishment (decreases behavior)
-Learning from consequences
Key Idea:
In operant conditioning, behavior is shaped by its consequences, making you more or less likely to repeat it in the future!
Classical Conditioning
Who was Ivan Pavlow, MD
Ivan Pavlov was a Russian scientist who won the Nobel Prize for his work on digestion, but he’s best known for his experiment with dogs, which demonstrated the process of classical conditioning.
Pavlov’s Experiment:
Sns that food was coming.
The Experiment:
Neutral Stimulus: He used a buzzer or bell, which normally would not cause any response from the dogs.
Before Conditioning: The bell (neutral stimulus) didn’t make the dogs salivate. But food would.
During Conditioning: Pavlov rang the bell before giving the dogs food, pairing the two together.
After Conditioning: Eventually, the dogs started to salivate just at the sound of the bell, even when no food was present. They had associated the bell with food.
Key Idea:
Through classical conditioning, Pavlov showed that dogs (and animals, including humans) can learn to associate a neutral stimulus (like a bell) with a stimulus that naturally causes a reaction (like food). Once the association is made, the neutral stimulus can trigger the response on its own. This is how classical conditioning works!
Classical Conditioning
Ivan Pavlow, MD Experiment
Pavlov’s Experiment:
Studying Digestion:
Pavlov originally studied how dogs digest food, measuring salivation and other digestive responses by hooking the dogs up to a device.
Discovery:
He noticed that the dogs would start salivating before food even appeared, just by seeing the bowl, hearing footsteps, or sensing people—signs that food was coming.
The Experiment:
Neutral Stimulus: He used a buzzer or bell, which normally would not cause any response from the dogs.
Before Conditioning: The bell (neutral stimulus) didn’t make the dogs salivate. But food would.
During Conditioning: Pavlov rang the bell before giving the dogs food, pairing the two together.
After Conditioning: Eventually, the dogs started to salivate just at the sound of the bell, even when no food was present. They had associated the bell with food.
Key Idea:
Through classical conditioning, Pavlov showed that dogs (and animals, including humans) can learn to associate a neutral stimulus (like a bell) with a stimulus that naturally causes a reaction (like food). Once the association is made, the neutral stimulus can trigger the response on its own.
Classical Conditioning
Ivan Pavlov Experiment (1-4)
- Before Conditioning:
-salivation (unconditioned response) in response to food (Unconditioned stimulus) - Before Conditioning
-Whistle (neutral stimulus)
-no salivation (no conditioned response) - During Conditioning (number of trials)
-Whistle and food
-response was salivation (unconditioned response because it is still an automatic behaviour, which is drooling to food) - After Conditioning
-Whistle (conditioned stimulus)
-Salivation (conditioned response)
-the whistle, which was before a neutral stimulus became a conditioned stimulus because it was conditioned to make the dog salivate)
Classical Conditioning: 4 Elements
- Unconditioned stimulus (US)
- Unconditioned response UR)
- Conditioned stimulus (CS)
- Conditioned response (CR)
The conditioned response and the unconditioned response are usually the same behaviour
Classical Conditioning: 4 Elements
- Unconditioned stimulus (US)
-A stimulus that naturally elicits a response
-A stimulus that naturally triggers a response without any prior learning (e.g., food causing salivation).
Classical Conditioning: 4 Elements
- Unconditioned response UR)
The natural response to a stimulus
-The automatic, natural reaction to the unconditioned stimulus (e.g., salivation when food is presented).
-examples: smell of food triggers hunger, loud noises trigger fear
Classical Conditioning: 4 Elements
- Conditioned stimulus (CS)
-an originally neutral stimulus that, through repeated pairing, will eventually elicit a response
-A previously neutral stimulus that, after being paired with the unconditioned stimulus in many trials, triggers a response (e.g., the bell after being paired with food).
-Examples:
-the sound of a bell that causes a dog to salivate, after it has been repeatedly paired with the presentation of food
-meat is neutral at the beginning, but after getting extremely sick from eating meat, the smell of meet feels bad
Classical Conditioning: 4 Elements
- Conditioned response (CR)
-A learned response to a previously neutral stimulus
-The learned response to the conditioned stimulus after association with the unconditioned stimulus (e.g., salivation in response to the bell alone).
Example of when this is not true: The conditioned response and the unconditioned response are usually the same behaviour
Baby vaccinations
-at first, the baby is not scared
-the baby feels the needle and feels pain (unconditioned response)
-the baby later becomes fearful (conditioned response) of the needle
-in this case the UR is pain and the CR is fear
In the Altoid example, what was the US, UR, CS, CR
Unconditioned stimulus: offering of the mint (before rebooting noise)
Unconditioned response: reactivity and motor behaviour or, wanting the mint and the anticipation of the mint
Conditioned stimulus: the sound (reboot noise)
Conditioned response: reaches out hand and mouth taste (anticipation of the mint)
Key Principles of classical conditioning:
-Intensity
-Generalization
-Discrimination
-Extinction and Spontaneous Recovery
Key Principles of classical conditioning:
Intensity
-The strength of association depends on the vividness of the stimuli
-If particularly vivid, several pairings are not necessary
-the strength of the stimuli can impact how fast you learn (so strong only one trial is needed, like phobias)
-really loud noise - conditioning faster
Key Principles of classical conditioning :
Generalization
Stimuli similar to Conditioned Stimulus can elicit the Conditioned Response
-overgeneralization
-generalize to other stimuli that is similar
-e.g. you fear water, so you will also fear baths, pools, lakes, oceans, and splashing water on your face
Key Principles of classical conditioning:
Discrimination
-Learn not to respond to similar stimuli
-when an individual learns to respond to a specific stimulus but not to similar stimuli, such as a dog only salivating to the sound of a specific bell and not to a similar sound.
Key Principles:
Extinction and Spontaneous Recovery
Conditioned stimulus no longer elicits a conditioned response if can then reappear
-Extinction in classical conditioning occurs when the conditioned response gradually disappears after the conditioned stimulus is repeatedly presented without the unconditioned stimulus (e.g., ringing the bell without food, and the dog stops salivating).
-Spontaneous recovery is the sudden reappearance of the conditioned response after a period of rest, even if the response had previously been extinguished. The response is typically less or weaker