Personally, some of my deepest thought occurs while medicated with the wonders of cannabis. Everything is different. My perception of pain is more tolerable...the pain is still there, but at a lower level or one that I can deal with.
I also think companies are missing out on one of the best 'focus' groups out there- cannabis users. Think about it: Things taste different, sound different and we experience events on a 'higher' level than others who do not partake.
Let's review the 5 basic senses under the guidance of cannabis
Sound: Smoke, vape or ingest you favorite strain and then take your favorite album, CD or other high fidelity recording and play it back through your headphones...and notice how much more you actually hear. Spatial distances, pans and other effects are much more pronounced. You really appreciate a good production, but even more so now.
Sight: Do as above but view some abstract, classical or modern art...and really study it. Paintings, poems and other works are best appreicated this way.
Smell: Again, same deal but try to deconstruct the aromas of foods, perfumes or just the outside air.
Touch: I think everyone knows that your sense of touch is very changed. Sex while blazed? It's already great, but becomes fantastic. Word.
Taste: Foods are really wild! Understated or hidden tastes become very apparent. Eat a caramel, or some chocolate wih caramel filling. Notice how much more complex it tastes...not like before. Textures are also energized, and more noticable.
The topic of thought is spot-on as CBD/CBN receptors in the brain (and body) work perfectly with cannabis, it truly is an ages-old wonder!