The prefrontal cortex is of significant importance when top-down processing is needed.

Cognitive psychologists consider both "bottom-up" and "top-down" processing when considering almost any area of research, including vision.

It is currently thought to be done during top-down processing of the auditory system.

This research is also dependent on the amount of words the observer is comfortable understanding because of the nature of top-down processing.

It is the main region activated in top-down processing.

In contrast, an increasingly popular recognition processing theory, is that of top-down processing.

Attention can be guided by top-down processing or via bottom up processing.

Information acquired through both bottom-up and top-down processing is ranked according to priority.

The "top-down" processing refers to a person's concept and expectations (knowledge) that influence perception.

This brain structure would also explain hypnosis, which is all about creating such formidable top-down processing that suggestions overcome reality.