Psychology Flashcards
Define learning
A process by which experience produces a relatively enduring change in an organism’s behaviour or capabilities
How we adapt to our environment
Can be overt (behavioural) or covert (cognitive)
What are the ABC elements of behaviour?
Antecedent (or cue)
Behaviour
Consequence
What is antecedent (in the ABC elements of behaviour)?
Environmental conditions or stimulus changes that exist before the behaviour of interest
internal or external to the subject
What is behaviour (in the ABC elements of behaviour)?
Behaviour of interest emitted by the subject
Influenced by antecedents and consequences
What is consequence (in the ABC elements of behaviour)?
Stimulus change that follows the behaviour of interest
What are the 3 basic learning processes?
Classical conditioning
Operant conditioning
Observational learning
What is classical conditioning?
Learning what events signal
What is operant conditioning?
Learning one thing leads to another
What is observational learning?
Learning from others
What are the stimuli types in classical conditioning?
Unconditioned stimulus (UCS) Conditioned stimulus (CS)
What is an unconditioned stimulus in classical conditioning?
A stimulus that elicits a reflexive or innate response (the UCR) without prior learning
What is an conditioned stimulus in classical conditioning?
A stimulus that (through association with an unconditioned stimulus) elicits a conditioned response similar to the original UCR
What is an unconditioned response in classical conditioning?
A reflexive or innate response that is elicited by a stimulus (the UCS) without prior learning
What is an conditioned response in classical conditioning?
A response elicited by a conditioned stimulus
Outline Pavlov’s dog experiment
BEFORE CONDITIONING
Tone -> no salivation response
UCS (food powder) -> UCR (salivation)
DURING CONDITIONING
CS (tone) + UCS (food powder) -> UCR (salivation)
AFTER CONDITIONING
CS (tone) -> CR (salivation)
What strengthens classical conditioning?
There are repeated CS-UCS pairings
UCS= more intense
The sequence involves forward pairing (i.e. CS -> UCS)
The time interval between the CS and UCS is short
What is extinction in classical/operant conditioning?
When operant behaviour that has been previously reinforced no longer produces reinforcing consequences the behaviour gradually stops occurring
What is stimulus generalization?
A tendency to respond to stimuli that are similar, but not identical, to a conditioned stimulus
E.g. respond to buzzer when conditioning was a bell
Elicits the CR but in a weaker form
What is stimulus discrimination?
The ability to respond differently to various stimuli
E.g. different bells (school, alarm, time) or fear of only certain dogs
Give a clinical example of classical conditioning
25-30% of chemo patients experience anticipatory nausea and vomiting
Chemo (US) -> Nausea (UCR)
Related cues e.g. sight of chemo unit (CS) -> Anticipatory nausea (CR)
How can conditioning affect immune system function? (Bovbjerg et al, 1990)
Blood samples of patients at home and hospital before chemo
Patients rated feelings of nausea and NK cell activity was measured
At home-> less nausea, more immune function
What is overshadowing in classical conditioning?
CS altered
Cancer patients divided into two groups
1= given unpleasant, novel drink
2= given water
Patients in group one showed significantly reduced nausea to clinic setting alone
What is the Little Albert experiment? (Watson & Raynor, 1920)
Little Albert conditioned to have a phobia of furry objects (generalized from initial phobia of white rat)
White rat= originally a neutral stimulus Loud noise (US)
Conditioned due to hammer hitting steel bar when child touched rat-> fear and distress (UR)
CS rat -> CR crying
What is fear learning (with e.g. of needle phobia)?
Traumatic injection-> pain/fear
Trauma (UCS) and needle (CS) -> fear response (UCR)
Clinic setting (CS) -> fear response (CR)