I wonder if autistic folks’ tendencies toward poor interoception might give the impression of a higher level of aphantasia, even if the capacity for clear visuals would otherwise be there… like having a 4k television with spotty reception.
Discussion
This article presents some evidence for it being at least partly related to signal vs noise between the pre-frontal cortex and visual cortex. Fascinating indeed. https://aphantasia.com/article/science/shocking-insights/