Answer:
the brain uses already stored information that is being brought to an individual's brain via different sensory systems to identify a specific stimulus.
Step-by-step explanation:
Top-down processing: In psychology, the term "top-down processing" is described as the perception that is being driven through cognition. An individual's brain tends to apply already known information based on the expectations of a particular situation.
Top-down processing is denoted as a "cognitive process" that has been started with an individual's thought process that ought to flow down to "lower-level functions", for example, sensory systems.