It's not exactly the same and in the instance of this memory test, photographic memory is likely to be more relevant. Iconic Memory and Eidetic MemoryĮidetic memory is often called photographic memory. In short, you must decide whether to keep the images by moving them into Long-Term memory (LTM) or get rid of them. George Miller, an eminent cognitive psychologist calculated that only around seven pieces of information could be held in short term memory. VSTM is essential for a whole range of functions but perhaps strangely, there's not much you can actually store in it. Images that we decide to store are then moved to Visual Short-Term Memory (VSTM) which is generally regarding to last in the region of say half a minute. The first of which is iconic memory which, as we know, lasts a fraction of second. Visual memory can be typically broken into three stages. How Iconic Memory fits into the wider Visual Memory If you like, it's split-second memory storage. It's commonly referred to as ultra-short storage and while it will vary from person to person and situation to situation, it's considered to be in the region of less than half a second. Images stored in iconic memory decay very quickly. However, we can decide, to an extent, which elements of sensory memory we decide to move further into our memory chain. Our sensory memory is not controlled by us - providing our eyes are open we cannot stop an image being seen. Sensory memory is perhaps best considered as a filter, processing the huge amount of images, smells, sounds and physical feelings that we experience all the time. Iconic memory is the name given to how we handle fleeting or temporary visual images.
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