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Escape and Avoidance learning
Fichas del conjunto (17)
- 1PPmotivates escape
- 2NRreinforces
avoidance learning - 3Escapegetting away from an aversive stimulus in progress
Make response
Aversive event termintes
Action is negatively reinforced - 4AvoidancePreventing the delivery of an aversive stimulus
goin to swim instead of studying
Negative contingency between response and aversive stimulus
> in operant respondin maintained by negative reinforcement - 5OCD is ?Active avoidance
e.g. washing hands none stop - 6Phobic person?Passive person - wont go near the spider
- 7Two process theorySubject learns to associate warning with aversive stimulus -
This in turn is the classical conditioning process
Light --_) Shock --) fear - 8Part 2Then the subject can be negatively reinforced during the warning stimulus - operant con
Thus shows avoidance learning to escape learning
So pretty much runnign away (escape) avoids fear - 9Active Drive properties Sidman Free-OperantAvoidance can be learned without a CS
- 10More on thisAvoidance training they were able to respond as dogs learned to jump every 10 seconds .
CS+ rate jumping doubled
CS- rate of responding fell to almost zzero - 11Limitations for two factor theory?fear is a must
fear reduces with exp - 12Fearlessness ProblemONce avoidance is well learned subjects wont respond with fear
Theory thinks fear = avoidance but its not true - 13Cog belif on persistence of avoidanceresponse not based on fear itself but on the subjects expectioant that a respionse will avoid shock . Pretty much when they jump a new expectation is formed (shock wont happen)
- 14Cogntive Theory of AvoidanceFear plays minor role but explains the contiunutation of avoidance
- 15SSRS stand forSpecies Specific Defense Reactions
Depends on
Nature of aversive stimulus
the repsose opp provide by the environment - 16SSDRs factsIn intial stages of avoidance predom
Innate
hierarchy - works keep it doesnt work if not try next - 17Easier learned SSDRFight , flight , freeze
Environmental content influences selected SSR
- freezing in front of cunts not very good
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- Fichas sobre Escape and Avoidance learning , creado por Pratik Mehta el 16/10/2017.
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- Pratik Mehta
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