sensory memory
the immediate, very brief recording of sensory information in the memory system
Sensory memory is the initial process of storing information from the environment through our senses, including sight, hearing, touch, taste, and smell. Sensory memory is a short-lived memory system that only lasts for a fraction of a second (up to 3 seconds). It is often described as a “buffer” for incoming information, as it allows individuals to briefly hold onto sensory information before it is further processed and either transferred into short-term memory or neglected and forgotten.
There are two main types of sensory memory: iconic memory (visual sensory memory) and echoic memory (auditory sensory memory). Iconic memory refers to the brief retention of visual stimuli, while echoic memory refers to the brief retention of auditory stimuli.
One characteristic of sensory memory is its high capacity for processing information. This high capacity makes it possible for human beings to receive a large amount of sensory information and process it quickly. However, due to its short lifespan, sensory memory typically only preserves a small portion of the information received by our senses.
In summary, sensory memory serves as the initial storage system for sensory information and plays a critical role in attention and perception. Without it, we would be unable to process and interpret the world around us.
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