behavioural explanation of phobias Flashcards
What is mowrer’s two process model
States that behaviours are acquired by classical and then continue due to operant conditioning
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What does this approach focus on?
Emphasises the role of learning in the acquisition of behaviour.
Main phobia behaviours avoidance , endurance and panic
What does accquisition by classical conditioning mean?
Involves learning to associate with something of which we initially have no fear (NS) with something that already triggers a fear response ( UCS)
Watson and Rayner
- The white rat is initially a neutral stimulus and elicits no response
- The bang is UCS because it naturally produces ( UCR) fear
- The bang and rat become paired meaning the rat becomes a ( CS) which then elicits a (CR) of fear on its own
Thus a phobia of rats has be developed ( conditioned)
Rat is now a conditioned stimulus that provides a conditioned response of fear
Little albert generalisation
This conditioning generalised to similar objects – tested Albert by showing him other furry objects ( non- white rabbit / fur coat) → displayed distress at sight of all of these
what is stimulus generalisation?
Stimulus generalisation means phobias can be generalised to similar objects
Maitenance by operant conditioning
Responses acquired by classical conditioning usually tend to decline overtime → however phobias are long lasting
- Reinforcement tends to increase the frequency of behaviour
- Negative reinforcement → individual avoids a situation that’s unpleasant
**Such behaviour results in desirable consequences → behaviour will be repeated **
What does Mower suggest about operant conditioning.
suggests that whenever we avoid a phobic stimulus we successfully escape the fear and anxiety that we would have suffered if we had remained there.
* Reduction in fear/ anxiety reinforces the avoidance so phobia maintained overtime
Strengths
- Good explanatory power
Went beyond initial simply classical conditioning
Important implications for therapy → if the patient is prevented from avoiding behaviour then phobia declines
Application to therapy is a strength - Real world application
Can help people get over their phobias
Limitations
- Behaviourism more towards behaviour than cognition Ignores cognitive elements
Partial explanation - Alternative explanation for avoidance
Not all avoidance associated with phobias seem to be due to anxiety reduction
Evidence to suggest avoidance due to + feelings of safety
Motivating factor in choosing to avoid stimulus but to stick with safety
Able to explain why someone with agoraphobia can leave house with someone but not alone
- Issue as two process model says avoidance riven by anxiety
- Incomplete explanation of phobias
Bouton → easily acquire fears for things that have been a source of danger in past - snakes / dark
Adaptive to acquire such fears
Seligman - Biological preparedness - we are innately prepared to fear some things more then other
→ more fears are of spiders and snakes rather than like cars - due to the fact they only existed recently → so not biologically prepared to learn fear responses towards them.
Phenomenon of preparedness is problem - it shows more to acquiring phobias than conditioning
- Phobias don’t follow a trauma
Sometimes people develop a phobia and are not aware of having had a related bad experience.
Suggests that conditioning alone cannot explain phobias as they may only develop when vulnerability exists