Complex sentence: A problem with representationalism is that if it assumes that something in the brain, described as a "homunculus", is viewing the perception, this suggests that some physical effect or phenomenon other than simple data flow and information processing must be involved in perception.
Split into simpler sentences: A problem with representationalism is that it assumes that something in the brain, described as a "homunculus", is viewing the perception. This suggests that some physical effect or phenomenon other than simple data flow and information processing must be involved in perception.