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Comment by 1bpp | Hacker News Reader

I still struggle to believe that some can't. There's just always been an abstract 'canvas' separate from the one signals from my eyes end up on and I can 'draw' on it by thinking about visual stimulus, and it's hazy but perceptibly there, the same way I 'hear' a song when I think about it. When this subject comes up I also always want to ask if people with aphantasia can hear sounds or music in their head. Or a taste or smell, etc..

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I have no idea if I have aphantasia or not but the comparison between sound is interesting

I can very clearly imagine sound or music in my head. My visual imagination is at like 20% of that and it's a struggle

I have aphantasia and cannot hear sounds or music in my head. I can't taste or smell things either, but I've also been going through life assuming most people can't either. From reading about it, it seems that some people can do hear things but not see them and probably various other combinations.

I have no abstract canvas to write anything on that I've ever seen.

My visual imagery is also "hazy" and somehow fleeting and unreal, but still very useful. I don't find it that hard to imagine (heh) that for some people it would be more vivid, and for others almost nonexistent – though a total lack of visualization ability is perhaps more difficult to picture (heh^2), similarly to how it's almost impossible to imagine what it is like to be born blind, for example.

It would definitely be interesting if there were more discussion on other imagined sensory modalities, too. For example, as a choir singer I'd guess that, say, keeping a given starting pitch in your head is easier for people who can mentally "hear" it. Myself I can sort of imagine sounds, but keeping a pitch in my head is more about the physically preparing my larynx to produce that pitch.

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