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Sensory memory refers to the storage of brief sensory events, including auditory, visual, and gustatory stimuli. This form of memory is characterized by its very short duration, typically lasting for up to a couple of seconds.

Sensory Memory

Short-term memory (STM) serves as a temporary storage system that processes incoming information from sensory memory. It is capable of retaining a limited amount of data for a brief duration of 15 to 30 seconds. While in this active state, short-term memory can also integrate new sensory input with existing knowledge retrieved from long-term memory. Although often confused with working memory, short-term memory is more accurately classified as a distinct sub-component within the broader working memory framework.

Short-term Memory (STM)

Within the Atkinson-Shiffrin model, sensory memory is the initial stage where environmental stimuli like sights, sounds, and tastes are first processed. This storage is extremely brief, lasting only up to a couple of seconds. During this stage, a filtering process occurs where information deemed not valuable is discarded, while significant information is transferred to the short-term memory system for further processing.

Sensory Memory in the Atkinson-Shiffrin Model

You are at a celebration and wave a lit sparkler in the air, creating a circle of light. Even though the sparkler is only at one point in the circle at any given moment, you perceive a complete, continuous circle for a fraction of a second. This brief persistence of the visual image is an example of which cognitive process?

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