this post was submitted on 16 Oct 2024
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This is more of me trying to understand how people imagine things, as I almost certainly have Aphantasia and didn't realize until recently... If this is against community rules, please do let me know.

The original thought experiment was from the Aphantasia subreddit. Link: https://www.reddit.com/r/Aphantasia/comments/g1e6bl/ball_on_a_table_visualization_experiment_2/

Thought experiment begins below.


Try this: Visualise (picture, imagine, whatever you want to call it) a ball on a table. Now imagine someone walks up to the table, and gives the ball a push. What happens to the ball?

Once you're done with the above, click to review the test questions:

  • What color was the ball?
  • What gender was the person that pushed the ball?
  • What did they look like?
  • What size is the ball? Like a marble, or a baseball, or a basketball, or something else?
  • What about the table, what shape was it? What is it made of?

And now the important question: Did you already know, or did you have to choose a color/gender/size, etc. after being asked these questions?


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[–] 90s_hacker@reddthat.com 12 points 9 hours ago (2 children)

I love how by default most tables were wooden and the balls were mostly about baseball size

[–] Krauerking@lemy.lol 1 points 4 hours ago

Apparently I'm in spooky brain mode cause mine was a crystal ball

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[–] merc@sh.itjust.works 13 points 10 hours ago (11 children)

So, in this experiment you're asking people to picture a certain situation that doesn't call for any specific details, then asking them to describe the unnecessary details they came up with: colour of the ball, etc.

I'm curious if the people who have aphantasia can picture something in their heads when it does call for all that detail.

Picture a red, 10-speed bike with drop handlebars wrapped with black handlebar tape. It's locked to a bike rack on the street outside the library with a U-lock. You come out of the library and see that the front wheel has been stolen. Think about how that would look. Picture the position of the bike, and anything you might look for if it were your bike and you were worried. Pretend you needed to examine the situation in as much detail as possible so you could file a police report.

Questions

  1. Were your front forks resting on the ground, or up in the air?
  2. Was there any other damage done to your bike or to the lock?
  3. Are there any other bikes nearby? People nearby? Security cameras that might have caught the crime?

[–] Semjaza@lemmynsfw.com 3 points 9 hours ago (1 children)

Interesting point and I'm glad you made it, with a thought (?) experiment to check.

I think I am somewhat aphantastic, but not officially diagnosed.

Tap for spoiler

  1. Front forks down.
  2. No other damage.
  3. No other bikes, bike racks, or even street furniture. But as I read this question I retroactively added in the bike rack and street furniture outside my hometown's library.
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[–] renzev@lemmy.world 7 points 9 hours ago (5 children)
  • What happens to the ball? It rolls of the side of the table.
  • Color: I didn't imagine a specific color
  • Gender: I didn't imagine a specific gender. Most of the person was "out of the frame"
  • What did they look like: Again, most of the person was out of the frame, they were just kind of a gray silhouette
  • What size was the ball? Like a dodgeball I guess?
  • What about the table? Very minimalist square table made up of five rectangular prisms (the surface and four legs). No specific material, uniform texture. I imagined everything in isometric perspective.

This is what I recall from my first time imagining the scenario, I'd have to imagine some more if I wanted to give specific answers.

With all due respect, I don't believe aphantasia is a real thing. The way people imagine things is so varied, weird, strange, and unique that I don't think it makes sense assigning labels. Different people will give varying levels of detail to different parts of their imagination based on their past experiences and knowledge.If you ask someone to imagine a chessboard, someone who plays chess might imagine a specific opening or valid board state, while someone who doesn't might just have a vague blob of chess pieces on a board.

Even with your ball on a table experiment, the experiences people have had throughout the day may give more or less detail to the imagined scenario. I'm fairly certain that the reason I imagined everything so abstractly is because recently I found an artwork with a similar minimalist isometric style that I liked a lot, so it's kind of floating around in my subconsciousness and affecting how I imagine things.

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[–] django@discuss.tchncs.de 8 points 10 hours ago (1 children)

Colorless ball, around the size of a tennis ball on a colorless round table. Person was colorless, genderless, and generally without any distinctive features.

What is my diagnosis?

[–] greedytacothief@lemmy.world 2 points 6 hours ago

Yep pretty much what I got

[–] aido@lemmy.world 6 points 10 hours ago (1 children)

What does it mean if the first time I pictured the ball being pushed I noticed it was sliding instead of rolling and corrected it

[–] Lesrid@lemm.ee 2 points 9 hours ago

Yeah I had a similar struggle. I don't think I've been so caught off guard by a visualization.

[–] flubba86@lemmy.world 1 points 6 hours ago* (last edited 6 hours ago)
  • Ball rolls about two feet and stops just before it rolls off the table.
  • White ball, polished surface, shiny
  • Male
  • Tall person, slender build, light brown hair, clean shaven, white button-up collared shirt, blue jeans.
  • Ball was a bit bigger than a billiard ball, but smaller than a baseball. Smooth, and heavy. Like a white cricket ball but with no seams.
  • It was one of those large common fold-up trestle tables but with a white table cloth on it.
  • I knew all those without having to think about it, or choose afterwards.

To me the imagery seemed like a cheesy "how to push a ball" educational video with a paid actor to demonstrate how to push the ball in the correct manner.

[–] NorthWestWind@lemmy.world 7 points 10 hours ago (2 children)

I imagined it in a cartoon-ish fashion, so I think I can actually draw it out.

drawing

  • Red ball
  • Male
  • Like Google's default profile picture, without facial features, except he's in gray and has a neck
  • My single hand can surround more than half of it in a cross section view, so about 12cm in diameter
  • Rectangular table, about 5:2, I didn't imagine the material, but it's plain brown, so I guess wood?

Additionally, the ball rolls parallel to the long edge of the table, and falls off the short edge. The person also have legs.

I already had these in my mind before being asked.

[–] catbum@lemmy.world 4 points 8 hours ago* (last edited 7 hours ago) (1 children)

My brother in Christ you have described almost the exact same specs I visualized. The only difference is in the level of resolution of my "scene." And by that, I mean essentially I did a few more render passes in my head to anchor everything you've written within a sort of Impressionistic, highly softened, out-of-focus backdrop. I saw hints of shadowy cabinets, the concept of a darkened kitchen out of sight. The shape and finger placement of my slightly more textured, clothed yet featureless male. The gray-brown feeling of a floor below, a dark white ceiling above, and the faded glow of sunlight through an unseen dining room window grazing one end of that oaken table.

But the basics ... They're the same, and before being asked to recall them. Damn.

[–] Maalus@lemmy.world 2 points 7 hours ago

I mean, people will imagine a similar thing when asked to imagine something specific. At the end of the day there's just so many ways to imagine someone pushing a ball off a table.

[–] untorquer@lemmy.world 3 points 8 hours ago

More or less but person didn't have gender because that wasn't relevant to the subject which was the rolling ball. Ball also bounced a few times when hitting the floor.

[–] AmidFuror@fedia.io 81 points 17 hours ago

No matter how much I tried to focus, all I can see is Mickey Mouse in a magician's cap trying to control buckets and mops.

I might have hyperfantasia.

[–] RecallMadness@lemmy.nz 4 points 10 hours ago

Weird. I’ve been thinking a lot about my aphantasia recently.

The closest I can describe what I imagined, was the feeling that those things happened.

For example. That vibe you get when you feel someone is just behind you. You can’t see them, but you know it. If I imagine someone behind me, I get the same uncomfortable feeling and an urge to look behind me.

[–] Shelena@feddit.nl 4 points 11 hours ago

I have hyperphantasia according to these kinds of tests (although I am not sure how accurate they are). In any case, the ball was white with a green glow it was smooth and looked like plastic but no seams where the halves were joined, male, like a large blue bird I saw in a cartoon, a bit larger than a baseball, the table was a very long rectangle shape. It was also white. The ball was pushed very hard from one end of the table to the other and then it bounced on the wall, the floor and the ceiling. The room was a bit small, with only a very small window rectangular window. It was black behind the window. The room was also rectangle shaped, with concrete grey walls. It was a bit dark, but there was some artificial light from a lamp. The bird acted very cartoonish when pushing the ball. I think that is all.

[–] Today@lemmy.world 42 points 18 hours ago (2 children)

A vague thought of a ball and knowledge of what would happen. Nothing else.

[–] gofsckyourself@lemmy.world 6 points 14 hours ago

Exactly. There's no need to add more details unless that's part of the requirements. Otherwise it makes it harder to keep track of things. Keep it simple first, then add complexity as needed.

[–] IForgot@reddthat.com 1 points 10 hours ago

Exactly. It rolls for a while unless it reaches an edge.

[–] clay_pidgin@sh.itjust.works 27 points 17 hours ago (1 children)

I imagined a sort of physics textbook diagram, not real objects. There was no person, only an arrow indicating the applied force on the ball!

[–] ArbitraryValue@sh.itjust.works 10 points 16 hours ago (2 children)

That's how I did it too. There is a sphere on a plane. A force is applied to the sphere, parallel to the plane. Neither the sphere nor the plane have a defined color, size, material, etc. Nothing specific pushed the sphere.

My job is often to mathematically model the things people say to me, and in those circumstances thinking like this is correct.

I don't think this way when I daydream, although the visual components of my daydreams are more like the feelings I get when I look at something than like concrete mental pictures.

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[–] tiredofsametab@fedia.io 7 points 13 hours ago

I can imagine it in the sense that I can understand what happens. There is nothing visual at all for me. My assumption was that it was roughly-tennis-ball-sized absent any other info, but it wasn't even a person, just a hand pushing a ball (and again, just the idea and nothing visual) as no other info is relevant.

[–] sga@lemmy.world 4 points 12 hours ago

Maybe I am broken by all the physics thought experiments, but my image was very bare-bones

spoiler


I imagined a small ball (roughly of size of my fist) but only an outline, no features, I did not imagine practically anything about person - just a force (imagined impulse was parallel to table plane) - I did imagine ball rolling (considered forward rolling, as opposed to impulse on center of mass (which in a frictionless situation would make it just linearly translate, or backspin) and falling from the table after a few seconds

[–] RebekahWSD@lemmy.world 2 points 10 hours ago

Don't know, they were an amorphous humanoid so I uh don't know for these two, baseball ish sized could fit in a palm, the platonic ideal of a wooden table. The first questions did not make me change the thing in my head. I don't think I see color in my mind eye, but I can uhhh label things with a color. Like. This ball is red, I think to myself, as the ball... continues to ball. Maybe if I imagined a specific red ball it world be redder.

[–] BuboScandiacus@mander.xyz 2 points 11 hours ago* (last edited 10 hours ago)
  • The ball was orange
  • I don't remember
  • I don't remember
  • As big as an orange
  • The ball was on a white surface
[–] Semjaza@lemmynsfw.com 1 points 9 hours ago* (last edited 9 hours ago)
  1. White/colourless ball. And honestly, more of a circle viewed from a perfect side on angle.
  2. I didn't visualise a person only the effect of their push on the ball. And like another poster corrected the slide to a roll.
  3. See above.
  4. Ball was of uncertain size. It was viewed side on, and no other objects to give a sense of scale. Maybe tennis ball sized, but I think that's retroactive.
  5. Table was rectangular and wooden. But no legs. Unsure of the thickness.

Included the timely-ness of the details in my answers above.

[–] Gaspar@lemmy.dbzer0.com 4 points 13 hours ago

Sure, OK.

Welcome to my brain

  • Red
  • Don't know, the "camera" wasn't panned up that high
  • All I really "saw" was jeans
  • Looked like one of those rubber balls that people like to bounce against walls, like in handball or squash. About as big across as the palm of your hand. Hollow, you could squish it without much effort.
  • one of those simple black square tables from Ikea

That's kind of what just popped into my head before I knew there were questions.

[–] UmeU@lemmy.world 2 points 11 hours ago* (last edited 11 hours ago)

Red

Didn’t think about gender

Didn’t think about what they looked like

Ball was baseball sized

It was a square wooden table

Bonus, I imagined the ball rolling across the table and then falling off the table and bouncing a few times on the floor.

I didn’t choose any answers after reading the questions, but didn’t have an answers for the person.

[–] MicrowavedTea@infosec.pub 17 points 18 hours ago* (last edited 18 hours ago) (3 children)

spoilerInteresting, on the first sentence I actually thought of many different sizes and shapes for the ball, then realized I'd have to pick one before moving on to the next part, so it was kind of a conscious decision. I ended up with a simple grey anti-stress ball. But the table was always the same, light brown wood. All focus is on the ball so the person is just a silhouette partly out of camera but the hand is white and wearing a black sleeve. I only chose what the person looked like after the questions based on what felt right for the initial visualization, like panning out the camera.

There's another question though. Would your mind get into all this trouble if you didn't know there would be questions coming?

[–] Prefeitura@lemmy.eco.br 1 points 7 hours ago

My ball was gray, too. With no details whatsoever, just shading. In the edge of the table, a hand came from the left of the camera view with its index finger stretched out and poked the ball, which rolled a few inches and stopped (while in other faded versions of it the ball fell off the table or rolled further over the table surface)

[–] merc@sh.itjust.works 1 points 10 hours ago

It's interesting how many people picked a brown wood table. I'd guess that's probably the most common material and colour for tables. But I'm typing this on a black table, and yet I still pictured a brown wood one.

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[–] TheBananaKing@lemmy.world 4 points 13 hours ago

Honestly, it's patchy.

'ball on a table' is very generic, so my brain keeps suggesting different versions. A beach ball on my grandparents' living room table when I was a child. A fairly featureless basketball-sized sphere on a beech-like table in some kind of gallery-like environment. A tennis ball, but on little more than the concept of a table. The person, not being specified... could be anyone. In some versions it's my own arm, POV, in others it's like something seen out of the corner of your eye. Yeah someone came in and did a thing, I wasn't really looking.

The motion is more like a series of vignettes, unless I concentrate more - in which case the surrounding detail gets more abstract.

Now, if you give me details, that's another story.

A fuzzy yellow tennis ball on that cheap folding card table from my childhood with the padding cut off, leaving the textured fibreboard surface. My older sister strides up and shoves the ball across the table, making the flimsy legs wobble as she does so.

Do that, I can see the texture of the carpet and the bare walls from our shitty childhood apartment, I can downright smell the table and have the heft of the thing kinaesthetically along with the shape and visual textures. I can see the skitter and wobble of the ball across the table; my sister more an abstract bundle of mannerisms and gait, and the actual path of the ball is still more implied than observed, though.

For the most part, my visualisation is handwave, like looking through your blind spot or your peripheral vision: the part your brain makes up to fill in the missing details. When I read a book, it's like half-remembered cover-illustrations of the general scene: more vibe (sometimes richly textured, vivid vibe) than a literal image.

[–] Kolanaki@yiffit.net 15 points 19 hours ago* (last edited 19 hours ago) (5 children)

I can visualize things in my mind, but it's not... Clear? Like it's not as vivid as seeing with my actual eyes. It's like seeing images as reflections on tinted glass. Dark, murky. Muted colors. There is also an emphasis with text. I think of a ball. I imagine a red ball with the text "Ball" above or below it.

In the scenario given, I see a dark image of a red ball on a wooden table. A hand not attached to a person pushes the ball. The ball rolls across the table and falls off. There is text below describing the situation.

[–] spookex@lemmy.world 1 points 7 hours ago

For me it's kinda unfocused, like I can imagine a ball on a table and someone giving it a push.

Only after I force myself to think a bit harder about it, I get a regular square wooden table in a kitchen-esque room, with a silver pinball on it, while a guy approaches it and gives it a small push, at the same time, the post didn't ask me to imagine the ball falling off the table, so the ball barely rolls at all.

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[–] Narauko@lemmy.world 1 points 10 hours ago

The scene was like an example reel from a video game, greenscale-ish translucent humanoid mannequin standing in a pseudo void, with a nondescript rectangular table of a similar greenscale-ish semi translucent material, and only the ball is "finished" as it is the camera focus. It is approximately between baseball and softball size, smooth, but I did not pay attention to the color. There is an "interaction/activation" sound effect as the mannequin kinda leans over and lightly pushed the ball to cause it to roll. It rolls to a stop on the table top, and this action loops.

The center of focus pulled back as I read the questions, more becoming aware of them than choosing them, and the scene changed with a camera pull out as part of the "ball is pushed" tutorial clip.

I have realized how much growing up as a gamer as influenced my perspective.

[–] merc@sh.itjust.works 1 points 10 hours ago
  • The ball was a futsal ball, so white with green markings
  • I didn't see the person who pushed the ball, just their hand, I was concentrating on the ball
  • The table was at about the height of a typical dining room table, it was plain wood about 1cm thick with a dark top and had fairly thin black metal legs

I already knew the answers, for the most part. The questions didn't cause me to add more detail, but they did cause me to reflect on the details I had chosen. So, for example, I never looked at the person who pushed the ball. Because of that, I couldn't fill in any details about their looks or gender. But I did clearly see the hand giving the ball a push, and I think the hand belonged to someone white. Having said that, I did have to stop and think about the answer for the table. The table was part of what I imagined seeing, but it wasn't the focus of my attention. I realized I could think about what I had imagined and the details came to me. But, it's possible that I didn't actually dream them up until I was asked the question.

Also, nobody asked, but the ball fell down and hit a white surface (something like white tiles) and bounced the way a futsal ball bounces, which is to say mostly a soft "thud".

[–] ShittyBeatlesFCPres@lemmy.world 3 points 14 hours ago* (last edited 14 hours ago)

In my head, a red rubber ball the size of a baseball rolls off a square wooden table and falls on the floor. A guy pushed it.

Edit: I knew ahead of time. I added more detail once I saw the quiz but I can imagine pretty vivid images.

[–] zlatiah@lemmy.world 5 points 15 hours ago* (last edited 15 hours ago) (3 children)

Oh my! I didn't know what to expect, and I have to say... I was quite surprised by some of your answers. Also confirmed to me that I am definitely not normal

Not many replies that are indicative of Aphantasia so... here goes nothing. I tried really hard at this okay

spoiler

I don't "see" see anything when I close my eyes. I can create a very vague concept of a ball, a table, and... kind of a person in my head, but I don't actually see the scene, I used to think when people say imagining things they were just making a metaphor. Things get really funk from here... But the overall schema feels more like one of those badly drawn scenes from the hit visual novel Slay the Princess. And yes I imagined it in 2D for some reason

  • Color: the ball doesn't have a color
  • Gender: it wasn't even a real person; it seems like a silhouette of the hand and back of a person
  • Looks: As I said, the person isn't even facing me
  • Size: No idea; in retrospect it's fairly large compared to the table (diameter probably 1/2-1/3 of table?), but the table is also an abstract concept so...
  • Table: no clue, it is a square table but that's it. If anything it looks like the things served on Pizza Hut pizzas
  • Well I spoiled the question for myself so... but I didn't have to choose, heck I couldn't choose even if I know what the questions are

[–] partial_accumen@lemmy.world 3 points 14 hours ago (2 children)

Just as an exploration with you on this. Use your same instructions for the placing and actions with one difference.

The room is pitch black, and you can't see a thing.

What do you hear?

Click for review questions:

  • what did the steps of the person sound like? Can you tell what kind of shoes they have with "heal/toe" impact sounds? single thumps indicating flat footfalls? nothing?
  • how long were they walking before they got to the table?
  • Did the ball make any sound as it rolled on the table? What kind of sounds? What kind of table would make that sound?
  • When the ball hit the floor did it bounce or fall flat? Was there an echo? Did the sound of the fall indicate you're in a tiny room or a giant room?
  • How close was the person to your point of observation?
  • Could you hear the person breathing?
  • What else did you hear that I didn't include here?
[–] merc@sh.itjust.works 2 points 10 hours ago
  • The person didn't walk, that wasn't the focus of what I was imagining
  • The ball didn't make a sound when it rolled, but I was imagining a soft futsal ball that would make almost no noise rolling on a table. If I'd been imagining a marble or something that would have been different
  • The ball bounced once a bit, then fell flat, it's how a futsal ball bounces, it's a kind of "splat" sound with no echoes. I didn't imagine walls, so the room is effectively infinite sized
  • The person wasn't really part of what I was imagining. They were there to give the ball a push, but otherwise were irrelevant, so I didn't focus on them in any way

If I'd let my fantasy get "polluted" by the other questions and stories, I'd have answered differently. With all the questions about the person, I'd have invented a person and effectively "panned out" so that the person was part of what I was thinking about. Instead I went with my original visualization which just involved an effectively disembodied hand giving a ball a push. If this were a TV show or something, the only part of the person that I ever saw was the hand that gave the ball a push, everything else was "out of frame". But, I wasn't imagining a "frame", just whatever my mind's eye was focused on, which was almost entirely the ball, and not anything else.

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[–] lunarul@lemmy.world 3 points 14 hours ago* (last edited 14 hours ago)

You imagined a lot more details than I did. For me it was just the concept of a ball. And then the idea of it moving. The person and the table were left our as irrelevant.

The thought experiment I use when explaining to people about aphantasia is a much simplified version of yours: "imagine a circle", "ok", "what color is it?"

That's it. People give an answer, sometimes including more details, like texture. Then I tell them that for me the question doesn't make sense, I just imagined the idea of a circle and didn't actually "see" anything, so there's no additional detail to it.

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[–] EpeeGnome@lemm.ee 3 points 14 hours ago

That is interesting. I imagined it more like an abstract physics problem than an actual scene. My ball was about 6 inches diameter, made of a nonspecific hard but not very dense material similar to, but not necessarily solid plastic, of no specific color. It was in the center of a table roughly 3 x 6 feet in surface at normal sitting table height, and was also of no specific color or material. The person was just the vague notion of a person applying a push slightly off from across the short axis of the table. The ball bounced slightly on the generic idea of a floor as it rolled away. My mind quickly supplied the additional details when requested, but not until then. (Yellow ball, wood table, etc). If I'd been asked in a way that didn't feel like a physics problem, but instead asked me to imagine a scene, I would already have had many of those details in my mental view.

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