‘Rehearsal’ is an exploration of the ways we construct memory through our senses, it highlights the way memory is constructed when we recall it and distorted as we try to record it.
We have 3 levels of memory: Long term, Short term and sensory, or working, memory. The initial creation of our memories is at this sensory level – we experience, construct and remember our world through our senses.
This sensory memory has been shown to act much like a buffer, A. D. Baddeley, in his paper ‘Working Memory’ (1986) identified 2 parts, the Visuo-Spatial Scratch-Pad and the Phonological Loop for visual and auditory memory respectively. These communicate, in his mode; with a central processor but this has since been shown to have a less prominent role.
It is suggested that active storage involves rehearsal, a process whereby the system reads out information from the store and then feeds it back, thereby continually refreshing or updating the memory trace … if rehearsal can be repeated every
1-2s, forgetting will be prevented
Baddeley – Working Memory
These buffers are filled with a small amount of information (for example 2-4 seconds in the context of sound, or just 1 for the visual) that needs to be constantly refreshed, or rehearsed, in order to remain.
‘Rehearsal’ makes this process of active rehearsal visible. Taking a visual, spatial input which the system is allowed to see only once, it must replicate the input with only the image it has created so far for reference. The visual interference and distortion inherent in this leads to deformations and the invention of new structures.