Detection replaces sensory memory to fill the role of detecting the existence of different stimuli. Recognition replaces detector to fill the role of recognizing the meaning of a stimuli.

University of Michigan - Ann Arbor

Filter Model of attention (bottleneck; early selection)

Holds information about stimuli for a brief period time (a fraction of a second) and then transfers it to the filter.

Sensory memory in the filter model of attention

Identifies the message that should be focused on and passes on only that message (discarding irrelevant content) to the detector.

Filter in the filter model of attention

Processes the information received from the filter to only retain higher-level characteristics of the message (such as meaning). 

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