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May I suggest we replace the worde 'visualise' with 'conceptualise'? Because, for humans, 'visualise' necessarily implies three dimensions.
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I don’t think it implies a three dimensional image any more than it implies an image at all. It could refer to running a situation through your head.
I can conceptualise four‐dimensional space in that I can imagine the concept, but I can’t visualise it.
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With more than one view, you could comprehend a 4th dimension {or with some other variable such as spectral/colour shift}.
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Theoretically, but you’d have to have two three‐dimensional images focusing on the same point in 4D space. I personally can’t see in three dimensions, merely perceive a third by interpreting two off‐kilter two‐dimensional images detected by my retinas.