Sensory Memory (Echoic, Iconic)
Definition
Sensory memory is the shortest-term element of memory. It has the ability to retain impressions of sensory information after the original stimuli have ended. Echoic memory is a subtype of sensory memory that involves auditory information, while iconic memory involves visual information.
Analogy
Think of sensory memory like a quick snapshot your brain takes of your surroundings, which it then immediately discards unless you make a conscious effort to retain it. Echoic and iconic memories are like brief sound or video clips in this ongoing stream.
Related terms
Short-Term Memory: This is the capacity for holding a small amount of information in an active, readily available state for a short period.
Working Memory: This refers to how we hold and manipulate information in our minds over brief periods when performing cognitive tasks.
Long-Term Memory: This is the stage of our dual process model where informative knowledge can be stored indefinitely.
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