Consciousness enhancement proof
Animals have different levels of consciousness. The different levels of consciousness are created by differences in the DNA and then further enhanced by the right kind of environmental conditions.
Among humans there are differences in the different aspects of consciousness. Human have different sensual abilities. Sight and the improvement of sight is usually considered an enhancement to consciousness awareness.
Since we see that different animals have greater abilities than humans in certain sense based areas it seems possible that these types of improvements could be applied to humans.
Increased brain size seems to increase consciousness in many cases so it seems possible that larger brains may produce greater conscious abilities if they have the right structure and functioning.
Other types of brain organizations seem to increase conscious abilities