AS PE ( Information Processing - Welfords Model )

Welfords Model of Infomation Processing

  • Created by: NoirRose
  • Created on: 26-05-12 09:26

Welfords Model of Information Processing - Part 1(


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Welfords Model of Information Processing - Page 2

Perception - the process which involves the interpretation of information. this is the process by which we make sense of the stimuli we receive. It consists of three elements :

-Detection- The brain Identifies that a stimuli is present

-Comparison - Having identified the stimulus it is now compared to similar stimuli that we have stored in our memory.

-Recognition - when the stimulus is matched to one stored in the memory it is identified or recognition  

Short Term Store - All stimuli entering the information processing system are held for a very short time (0.25-1 second). these stores have a very large capacity with a separate store for each sense. The perceptual mechanism determines which of the infomation is important to us and we direct our attention to this. this is called recognition aspect of perception

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Welfords Model of Information Processing - Page 2

Decision Making - Once the information has been interpreted the correct response has to be put into action. this correct action will be in the form of a motor programme which identifies the movements the action is made up of, the order they are in and where they take place. 

Long Term Store/Long Term Memory - The long term memory holds the information that has been learnt and practised. its capacity is thought to be limitless and the information is held for a long period of time, perhaps permanently.

Effector Control - The motor programme i placed into action by sending impulses via the nervous system to the appropriate muscles so that they can carry out the appropriate actions.

Effectors - The muscles which will put the motor programme in action

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