Learning, Memory, and Behaviour Flashcards
Nonassociative learning
occurs when an organism is repeatedly exposed to one type of stimulus, occurs in the absence of forming associations with specific stimuli, two types are habituation and sensitization
habit
an action that is performed repeatedly until it becomes automatic
habituation
the process of forming a habit
dishabituation
occurs when the previously habituated stimulus is removed
sensitization
increase in responsiveness due to either a repeated application of a stimulus or a particularly aversive or noxious stimulus
desensitization
occurs when a stimulus that previously evoked an exaggerated response (something that we were sensitized to) no longer evokes an exaggerated response
associative learning
a process of learning in which one event, object, or action is directly connected with one another
classical (respondent) conditioning
a process in which two stimuli are paired in such a way that the response to one of the stimuli changes
what are the components of classical conditioning?
neutral stimulus, unconditioned stimulus, unconditioned response, conditioned stimulus, conditioned response
acquisition
the process of learning the conditioned response
extinction
occurs when the conditioned and unconditioned stimuli are no longer paired, so the conditioned response eventually stops occurring
spontaneous recovery
when an extinct conditioned response occurs again when the conditioned stimulus is presented after some period of time
generalization
the process by which stimuli other than the original conditioned stimulus elicit the conditioned response
discrimination
the opposite of generalization, and occurs when the conditioned stimulus is differentiated from other stimuli
what are the two types of associative learning?
operant/instrumental conditioning, classical/respondent conditioning
operant/instrumental conditioning
uses reinforcement (pleasurable consequences) and punishment (unpleasant consequences) to mold behaviour, associate with B.F. Skinner
reinforcement
anything that will increase the likelihood that a preceding behaviour will be repeated, can be positive or negative
positive reinforcement
some sort of desirable stimulus that occurs immediately following a behaviour
negative reinforcement
some sort of undesirable stimulus that is removed immediately following a behaviour
what brain structure is particularly important for negative conditioning?
amygdala
what brain structure is particularly important for positive conditioning?
hippocampus
primary (unconditioned) reinforcers
innately satisfying or desirable, generally integral to our survival
secondary (conditioned) reinforcers
learned to be reinforcers, neutral stimuli that are paired with primary reinforcers to make them conditioned
what does operant conditioning rely on?
a reinforcement schedule which can be continuous or intermittent