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Iconic memory is the visual sensory memory register pertaining to the visual domain and a fast-decaying store of visual information. It is a component of the visual memory system which also includes visual short-term memory [ 1 ] (VSTM) and long-term memory (LTM).
The term echoic memory was coined in 1967 by Ulric Neisser to describe this brief representation of acoustic information. It was initially studied using similar partial report paradigms to those utilized by Sperling; however, modern neuropsychological techniques have enabled the development of estimations of the capacity, duration, and location ...
With regards to language, a characteristic of children who begin speaking late in development is reduced duration of echoic memory. [16] In short, "Echoic memory is a fast-decaying store of auditory information." [17] In the case of damage to or lesions developing on the frontal lobe, parietal lobe, or hippocampus, echoic memory will likely be ...
Iconic memory relays visual information and echoic memory relays auditory information. [10] Both types of memory have an unlimited capacity, but have a very short duration; iconic memory lasts for 50-500 milliseconds and echoic memory lasts for 8–10 seconds. [10]
This procedure demonstrated that although iconic memory can store the whole grid, information tends to fade away too rapidly for a person to recall all of the information. [5] Sperling also showed this with his experiment of cued recall. This trial was similar to free recall; however, instead of allowing participants to recall any of the ...
As with iconic memory, echoic memory only holds superficial aspects of sound (e.g. pitch, tempo, or rhythm) and it has a nearly limitless capacity. [16] Echoic memory is generally cited as having a duration of between 1.5 and 5 seconds depending on context [16] [17] [18] but has been shown to last up to 20 seconds in the absence of competing ...
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Iconic memory is a fast decaying store of visual information, a type of sensory memory that briefly stores an image that has been perceived for a small duration. Echoic memory is a fast decaying store of auditory information, also a sensory memory that briefly stores sounds that have been perceived for short durations.