Same. This, and also the fact that it is also very highly associated with SDAM (Severely Deficient Autobiographical Memory) -- which I also have.

And also, reasonably associated with ADHD -- which I also have, but only recently realised and assessed for at the tender age of 46.

The SDAM is particularly useful to be aware of, otherwise you go crazy trying to understand why you remember how much your local pizza cost back in 1999, but otherwise vast areas of your life are as if they've been smeared by a blur filter. Let alone trying to explain it to a spouse who mistakes it for lack of interest / commitment.

Anecdotally, ADHD has nothing to do with this. Or rather, it has as much to do with aphantasia as aphantasia has to do with how prolific a reader someone is.

My ADHD used to make me constantly daydream and disappear mentally into incredibly vibrant internal worlds and it regularly impacted my ability to focus on schoolwork because I would draw flipbooks of what I was seeing.

I can sharply visualise autobiographical memories from when I was 6 months old of me crawling on the dining room floor and have had aunts and uncles confirm the shape and color of the chairs around the dining table on my left, the curling of the woodwork on the china cabinet to my right, the paisley pattern of the runner rug leading from the dining room to the den that I just crawled onto and can still feel the fibers on my knees. I left that house to never return when I was a year and a half old, and never saw pictures of it either.

On the other hand, I also have dissociative amnesia from everything that happened after that 1.5 year mark, so a lot of 5-10 is a huge bubbling black cauldron that occasionally burps out an autobiographical memory of some traumatic shit, or some mundane memory tangentially connected to something traumatic.

This to say, I would be more willing to accept a connection between aphantasia and SDAM, since you can't, with the same fidelity, reencode memories you can't visually recall, than I would be to accept that ADHD has anything to do with aphantasia at all, from my position on the other end of the mental visualization/autobiographical recall spectrum.

I normally have no autobiographical memory, but once I went to a weeklong meditation retreat and around the second day it sorta all showed up at once.

Anecdotal but perhaps interesting.

Aphant and SDAM are linked with many neurological disorders. I have Schizoaffective Disorder Bipolar Type and OCD.

https://pmc.ncbi.nlm.nih.gov/articles/PMC9614338/