Read the following:

Finished files are the result of years of scientific study combined with the experience of years.

Now count the number of F's in that sentence.
Then see below...

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

ANSWER: There are six F's in the sentence. Here is the same text with highlighted F's.

FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS.

Top-Down Processing

• AKA Conceptually-driven processing

• When existing context has an influence on earlier or simpler forms of mental processes

In the “finished files” example, reading is so automatic that you’ve learned to ignore function words like “of”-- an example of top down processing.