George is looking out his airplane window as he flies over Raleigh, and notices that the cars down below are getting larger by the second. This information tells him the plane is about to land, and is based on the cue for depth perception.

Aerial or Atmospheric perspective.

Explanation:

Aerial or atmospheric perspective is simply defined as method of creating illusion of depth or recession in a view.

Aerial perspective also refers to the increasing effect of the dominant atmosphere in a scene upon objects as they withdraw into the distance. One can create a sense of atmospheric perspective in a landscape using several visual tools.

dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."