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I think I have aphantasia, and there's two interesting things about this to me. One, I couldn't tell you what sound a ball makes when it bounces on a table. I'

I think I have aphantasia, and there's two interesting things about this to me. One, I couldn't tell you what sound a ball makes when it bounces on a table. I've never thought about absence of other senses but, thinking about it a bit, I can't really think of what a glass feels like or a fire smells like either. I have descriptions for all of them, like a glass is hard or a fire smells like.. smoke? Not really the best description. But in all of these cases, I instantly know I'm touching a glass or smelling a fire when it happens. Two, I only thought of the ball in terms of the parabola it makes. When I read the color question, I can assign a color to it, but nothing in my "imagination" changes. There's just another word, blue or whatever, associated with it. Thanks for making me think!

1d22a 1y ago
I also have aphantasia, and find it really interesting to hear about people thinking of things in a similar way to me! Thinking about the ball in terms of the parabola it makes it exactly what I do too. Similarly, the ball doesn't exist as a physical "ball", but rather the knowledge of the concept of a sphere (which doesn't then have size or colour). The table, not a physical table, but the concept of a plane (with no thickness, size, colour (or legs)) - just the 'concept' of the important properties. Despite aphantasia I have always been able to conceptualise spatial relationships, but it feels much less like trying to visualise it, and much more like "understanding" the fundamental properties connecting each thing.
- aniviacat 1y ago
  I don't have aphantasia and I struggle to imagine anyone truly having complete aphantasia. If I tell you to draw a (low detail, toy, 2d) car, you probably would be able to - and quickly so. However, if I ask you to describe the shape of the car, you would certainly take a lot more time to think of a description anywhere near as accurate as what you've drawn. So what did you draw? Clearly not a description, as you do not have that available. Instead, you drew the image you have in your mind. Since I see so many people talking about having aphantasia, I assume my thinking is wrong somewhere. Can you tell me where I went wrong in this thought process? Do you, contrary to my assumption, actually have an accurate description of all the shapes you could draw (a car, a tree, a circus tent) readily available?
  - whatevertrevor 1y ago
    I don't have aphantasia but you might be wrong in many different ways: - you assume the outcome of your experiment which is not a given - even if the outcome is what you assume it is: there's the possibility of other explanations: for example having a pen paper to draw the car serves as an aid that helps them draw the car without having to imagine it. Just like having pen and paper can help me compute the square root of 4572847 without having to imagine the computation in my mind.
  - tstrimple 1y ago
    Readily available? No. But if I wanted to draw a car, I'm iterating through parts in that way. And the accuracy of our "mental description" is certainly in question. Similar to how folks who can "picture a bicycle" can picture it incorrectly. My wife and I have very different navigation skills. She can almost always tell me the compass direction and she's very good at relative directions. If she's in the house, she can instantly point in the correct direction of our children's school. I've got to stop and think through the steps I'd take to get there. I have to "reason" it out and she can just "see" it. It's almost like she's looking at a map of places and I'm dealing with a graph of nodes. I can walk the graph and understand how places are connected. But I can't really step back and see the bigger picture like she can. And I've got a lot of gaps in my graph because I only add nodes when needed. I could drive by a church a hundred times and not be able to tell you it exists. But when my daughter has a girl scouts meetings there, the graph gets updated.
  - saltcured 1y ago
    Since you seem to want to appreciate the differences... I am also pretty far toward the aphantasia end of the spectrum. Things like cars or airplanes, I could draw well enough to impress friends as a kid. That was partly partly due to constant classroom doodling. And, this was only for certain iconic types that I really studied. E.g. the round headlights of a classic Porsche 911 or the front view of an F4 Phantom II fighter yet from a Vietnam war movie. Even then, I couldn't really picture them directly, but I could _feel_ their 3D topography and use that almost like a surface model to feed into my hand acting as a 3D rendering pipeline. I don't see the image and reproduce it. I somehow feel the spatial model projecting onto the page and then try to pencil in that feeling before it dissipates. Yet, I can't do that for everyday items like my own car, laptop computer, or toothbrush. I can draw a generic representation, but can't remember and then reproduce any of the distinguishing characteristics that make my own possessions unique compared to the generic concept. Similarly, I'm not face-blind, but I cannot remember and reconstruct any of the faces I know. I know them when I see them. I can also feel a lot of "this person looks a lot like that person", which sometimes helps me realize the specific expression features, angles, proportions, or even dynamics that are triggering my recognition. But I can't really recite any of that to tell you what I recognize. I'm a bit like someone else said earlier in the thread. Imagining a bouncing ball, it's a feeling of the diminishing parabolas in 3D. You might sketch it the way a cartoonist shows a trace in the air behind something to indicate movement. But that's already more visual than my own imagining of it, which is more like a faint echo of that cartoon trace. And, it is somehow both dynamic and static. I feel the linked chain of parabolas all at once, but also somehow feel the movement vectors. If you told me to imagine a particular type of ball, I could even imagine different trajectories and deformations, e.g. a hard rubber "superball" vs an old tired tennis ball vs a big squishy dodgeball from elementary school. But just asked to imagine a ball, I wouldn't select such details. It would just be the abstract path. And even when specialized, I still don't really see the ball or any color, just a feeling of the spatial scene that it traverses. For me, this aphantasia is all about my waking/voluntary mental mode. I can have completely vivid lucid dreams which can sometimes be mundanely realistic and sometimes surreal. If I'm very tired, I might also get some imagery right as I near the hynogogic threshold. This is true for imagined vision, hearing, proprioception, and touch senses. They are all very "abstract" when awake and take form as the waking world slips away. Not sure it is relevant, but I also have no internal monologue whether awake or in dreams. I can think about words or speech, but it is abstract and a bit like composing them in an editing buffer (which, due to aphantasia I can't really see!). Thinking is not at all like talking nor like listening.
- Ancapistani 1y ago
  You've exactly described some of my very early memories - from before I had begun thinking in language. To this day, one of the things that comes to mind when I think of a "door" is the way I conceptualized it before I knew there was a word. The best I can describe it is a combination of the act of reaching for a doorknob, followed by a plane hung vertically, pivoting inward from the right side. It seems to come from the act of opening a door... but the weirdest part is that while I was an infant in my memories of that type of internal dialogue, the conceptual representation I described describes the motion an adult would use to open a door. I don't have aphantasia, have a very strong spatial sense, and ADHD-PI is a huge part of my life.
foobarchu 1y ago
Yeah I describe my imagination to people as kinetic. Even if I'm trying to "see" a static object, it's in a form like a sparkler drawing. Similarly, I can't hear a particular song in my head even if it's an earworm. Instead, I hear a rough approximation of it as if I were trying to describe it to someone else (instruments as mouth sounds, bad falsetto, and so on)
Tyr42 1y ago
So, I do not have aphantasia, but I do have an impossible time recalling tastes. Kinda like how you describe your lack of memory of glass. I can tell apart a strawberry from a pineapple, but I can't re-experience a taste later. If I want to compare two things, I need to taste them back to back. Or I need to write down what I think to compare with next time. But I have no problem remembering things like: how crunchy or floppy the pizza was. That's not taste.
tstrimple 1y ago
I have aphantasia, but it doesn't extend to imagined sounds. It's almost the opposite really. I can imagine a variety of sounds a ball might make hitting a table depending on materials involved. When I've got a song stuck in my head it tends to be quite detailed. Full instrumentals and all. That doesn't mean I have perfect recall of songs or music to any degree. And it's not exactly voluntary. I can't tell you the full lyrics to any song off the top of my head. But when I get a song stuck there, I can "play" through it all and pick out details.

1d22a 1y ago

I also have aphantasia, and find it really interesting to hear about people thinking of things in a similar way to me! Thinking about the ball in terms of the parabola it makes it exactly what I do too. Similarly, the ball doesn't exist as a physical "ball", but rather the knowledge of the concept of a sphere (which doesn't then have size or colour). The table, not a physical table, but the concept of a plane (with no thickness, size, colour (or legs)) - just the 'concept' of the important properties. Despite aphantasia I have always been able to conceptualise spatial relationships, but it feels much less like trying to visualise it, and much more like "understanding" the fundamental properties connecting each thing.

aniviacat 1y ago
I don't have aphantasia and I struggle to imagine anyone truly having complete aphantasia. If I tell you to draw a (low detail, toy, 2d) car, you probably would be able to - and quickly so. However, if I ask you to describe the shape of the car, you would certainly take a lot more time to think of a description anywhere near as accurate as what you've drawn. So what did you draw? Clearly not a description, as you do not have that available. Instead, you drew the image you have in your mind. Since I see so many people talking about having aphantasia, I assume my thinking is wrong somewhere. Can you tell me where I went wrong in this thought process? Do you, contrary to my assumption, actually have an accurate description of all the shapes you could draw (a car, a tree, a circus tent) readily available?
- whatevertrevor 1y ago
  I don't have aphantasia but you might be wrong in many different ways: - you assume the outcome of your experiment which is not a given - even if the outcome is what you assume it is: there's the possibility of other explanations: for example having a pen paper to draw the car serves as an aid that helps them draw the car without having to imagine it. Just like having pen and paper can help me compute the square root of 4572847 without having to imagine the computation in my mind.
- tstrimple 1y ago
  Readily available? No. But if I wanted to draw a car, I'm iterating through parts in that way. And the accuracy of our "mental description" is certainly in question. Similar to how folks who can "picture a bicycle" can picture it incorrectly. My wife and I have very different navigation skills. She can almost always tell me the compass direction and she's very good at relative directions. If she's in the house, she can instantly point in the correct direction of our children's school. I've got to stop and think through the steps I'd take to get there. I have to "reason" it out and she can just "see" it. It's almost like she's looking at a map of places and I'm dealing with a graph of nodes. I can walk the graph and understand how places are connected. But I can't really step back and see the bigger picture like she can. And I've got a lot of gaps in my graph because I only add nodes when needed. I could drive by a church a hundred times and not be able to tell you it exists. But when my daughter has a girl scouts meetings there, the graph gets updated.
- saltcured 1y ago
  Since you seem to want to appreciate the differences... I am also pretty far toward the aphantasia end of the spectrum. Things like cars or airplanes, I could draw well enough to impress friends as a kid. That was partly partly due to constant classroom doodling. And, this was only for certain iconic types that I really studied. E.g. the round headlights of a classic Porsche 911 or the front view of an F4 Phantom II fighter yet from a Vietnam war movie. Even then, I couldn't really picture them directly, but I could _feel_ their 3D topography and use that almost like a surface model to feed into my hand acting as a 3D rendering pipeline. I don't see the image and reproduce it. I somehow feel the spatial model projecting onto the page and then try to pencil in that feeling before it dissipates. Yet, I can't do that for everyday items like my own car, laptop computer, or toothbrush. I can draw a generic representation, but can't remember and then reproduce any of the distinguishing characteristics that make my own possessions unique compared to the generic concept. Similarly, I'm not face-blind, but I cannot remember and reconstruct any of the faces I know. I know them when I see them. I can also feel a lot of "this person looks a lot like that person", which sometimes helps me realize the specific expression features, angles, proportions, or even dynamics that are triggering my recognition. But I can't really recite any of that to tell you what I recognize. I'm a bit like someone else said earlier in the thread. Imagining a bouncing ball, it's a feeling of the diminishing parabolas in 3D. You might sketch it the way a cartoonist shows a trace in the air behind something to indicate movement. But that's already more visual than my own imagining of it, which is more like a faint echo of that cartoon trace. And, it is somehow both dynamic and static. I feel the linked chain of parabolas all at once, but also somehow feel the movement vectors. If you told me to imagine a particular type of ball, I could even imagine different trajectories and deformations, e.g. a hard rubber "superball" vs an old tired tennis ball vs a big squishy dodgeball from elementary school. But just asked to imagine a ball, I wouldn't select such details. It would just be the abstract path. And even when specialized, I still don't really see the ball or any color, just a feeling of the spatial scene that it traverses. For me, this aphantasia is all about my waking/voluntary mental mode. I can have completely vivid lucid dreams which can sometimes be mundanely realistic and sometimes surreal. If I'm very tired, I might also get some imagery right as I near the hynogogic threshold. This is true for imagined vision, hearing, proprioception, and touch senses. They are all very "abstract" when awake and take form as the waking world slips away. Not sure it is relevant, but I also have no internal monologue whether awake or in dreams. I can think about words or speech, but it is abstract and a bit like composing them in an editing buffer (which, due to aphantasia I can't really see!). Thinking is not at all like talking nor like listening.
Ancapistani 1y ago
You've exactly described some of my very early memories - from before I had begun thinking in language. To this day, one of the things that comes to mind when I think of a "door" is the way I conceptualized it before I knew there was a word. The best I can describe it is a combination of the act of reaching for a doorknob, followed by a plane hung vertically, pivoting inward from the right side. It seems to come from the act of opening a door... but the weirdest part is that while I was an infant in my memories of that type of internal dialogue, the conceptual representation I described describes the motion an adult would use to open a door. I don't have aphantasia, have a very strong spatial sense, and ADHD-PI is a huge part of my life.

foobarchu 1y ago

Yeah I describe my imagination to people as kinetic. Even if I'm trying to "see" a static object, it's in a form like a sparkler drawing. Similarly, I can't hear a particular song in my head even if it's an earworm. Instead, I hear a rough approximation of it as if I were trying to describe it to someone else (instruments as mouth sounds, bad falsetto, and so on)

Tyr42 1y ago

So, I do not have aphantasia, but I do have an impossible time recalling tastes. Kinda like how you describe your lack of memory of glass. I can tell apart a strawberry from a pineapple, but I can't re-experience a taste later. If I want to compare two things, I need to taste them back to back. Or I need to write down what I think to compare with next time. But I have no problem remembering things like: how crunchy or floppy the pizza was. That's not taste.

tstrimple 1y ago

I have aphantasia, but it doesn't extend to imagined sounds. It's almost the opposite really. I can imagine a variety of sounds a ball might make hitting a table depending on materials involved. When I've got a song stuck in my head it tends to be quite detailed. Full instrumentals and all. That doesn't mean I have perfect recall of songs or music to any degree. And it's not exactly voluntary. I can't tell you the full lyrics to any song off the top of my head. But when I get a song stuck there, I can "play" through it all and pick out details.