Retrieval due to absence of cues is sometimes also called cue-dependent forgetting. This is a theory as to why we cannot recall from long term memory.
The suggestion is that internal (such as mood state) and external (such as temperature and smell) cues can help facilitate recall of a long term memory. This theory works on the idea that forgetting in long term memory is due to a lack of access to a memory rather than the availability of a memory. If the context and feelings of the individual are similar for recall to the situation where the memory was originally processed then the chances of recalling the memory will be increased. We forget because the recall is out of content.
This idea is used in a practical way by police when conducting interviews with eyewitnesses. They often use a technique called the cognitive interview which asks eye witnesses to recall every detail and think about the context of the crime (e.g. the weather). The idea is to increase recall by recreating the situation it was witnessed in. They have also asked witnesses to revisit the scene of a crime to prompt recall.
Strengths of the theory
There is research support for the theory such as the study by Godden and Baddeley (1975) to suggest that cues can affect recall of information. This strengthens the theory.
Support from levels of Processing:
The levels of processing theory which states that the deeper you think about information the more likely it is to be recalled supports this theory of forgetting as the cues provide a richer level of detail and thus the chance of recall is increased.
Weaknesses of the theory
Much of the research on this theory is laboratory based and therefore lacks ecological validity. The studies do not test ‘everyday memory’ and therefore it could be argued the evidence lacks validity.
The theory has been helpful to forensic and police work as it helps facilitate recall from eye witnesses. This means the theory has a real world practical application making it useful outside of the psychology laboratory.
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