Which of the following is NOT classified as a function of the frontal lobe?

The correct answer points to auditory processing as a function not primarily associated with the frontal lobe. The frontal lobe is crucial for various higher cognitive functions, including managing emotions, motor control, and higher-level thinking. It is involved in planning, decision-making, and regulating behavior, which are essential for social interactions and personal management.

Auditory processing, on the other hand, is mainly attributed to the temporal lobe, which is responsible for processing auditory information and is critical for the perception of sounds, language comprehension, and memory associated with auditory stimuli. By identifying auditory processing as a function primarily of the temporal lobe, it demonstrates a clear distinction between lobes of the brain and their specialized functions.