Last time, we talked about writers on the aphantasia spectrum–a reduced detail of mental imagery (whether visual or audio or any other sensory modality, although I will use the visual one for examples). Interestingly, with few exceptions, the same level of detail (from almost-photographic to vague to near-nonexistent) applies not just to voluntary or involuntary imagining but also to memories and dreams. What is going on here? Could there be some commonality between these forms of mental imagery? Indeed, there is–at least, this is what current neuroscience tells us. In fact, most of our mental imagery is ultimately based on…
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