Qualia

There are many aspects of our conscious experience, such as visual perception, auditory perception, emotions, etc. Can these all be understood in scientific terms? There are some who argue that even with the most advanced brain scan technology that one could never understand the qualitative aspect of first-person consciousness, which is called qualia for short.

Are qualia distinct from the physical world? Or is this simply an illusion caused by people wanting to believe that their experience is somehow special? Please let your voice be heard in the forum.