Aphantasia Explained: Some People Can’t Form Mental Pictures

Summary: Aphantasia is marked by the inability to generate visual images in the mind’s eye. Researchers explore the neurobiological basis for the disorder.

Source: The Conversation

How many times have you watched a book adaptation on film or TV, and felt disappointed when a scene wasn’t quite how you’d pictured it? Or perhaps a character looked nothing like you’d imagined them to look?

Most people, when asked to form an image of a person they’re familiar with, can see it within their mind. In other words, it’s a visual, mental experience – similar to what we would see if the person were in front of us.

But it turns out that this isn’t true for everyone. Some people, when asked to form an image, will report they cannot “see” anything. This recently-identified variation of human experience was named in 2015 as aphantasia. It is estimated that 2% to 5% of the population have a lifelong inability to generate any images within their mind’s eye.

But, how do you recall details of an object or an event if you cannot actually see it in your mind? This is a question my colleagues and I sought to investigate in one of our recent studies.

Studying aphantasia

We assessed visual memory performance between individuals with aphantasia compared to those who had typical imagery.

In the study, participants were shown three images of a living room, a kitchen and a bedroom, and were asked to draw each from memory. Their drawings were objectively reviewed by over 2,700 online scorers who assessed the object details (what objects looked like) and spatial details (the size and location of objects).

We expected people with aphantasia might find it difficult to draw an image from memory as they can’t summon these pictures in their mind’s eye.

Our findings showed people with aphantasia drew the objects of the correct size and location, but they provided less of the visual details such as colour and also drew a fewer number of objects compared to typical imagers.

Some participants with aphantasia noted what the object was through language – such as writing the words “bed” or “chair” – rather than drawing the object. This suggests those with aphantasia could be using alternative strategies such as verbal representations rather than visual memory. These differences in object and spatial detail weren’t due to differences in artistic ability or drawing effort.

This shows a woman with swirling colors on her head
Some people can’t see visual memories. Credit: The Conversation

Our results suggested people with aphantasia have intact spatial imagery abilities – the ability to represent the size, location and position of objects in relation to each other. This finding has been reinforced in another of our studies examining how people with aphantasia perform in a number of imagery-related memory tasks.

We found people who lacked the ability to generate visual imagery performed just as well as people with typical imagery in these tasks. We also found similarities in performance within the classic mental rotation imagery task, in which people look at shapes to work out if they are the same shape rotated or different shapes.

This performance suggests that you don’t need to “see” with the mind’s eye to carry-out these tasks. On the other hand, it’s been documented that some people with aphantasia – but not all – are more likely to report difficulties with recognising faces and also report a poor autobiographical memory – the memory of life events – a type of memory thought to rely heavily on visual imagery.

Life with aphantasia

People with aphantasia also describe other variations in their experience. Not everyone with aphantasia has a complete lack of imagery experience across all senses. Some might be able to hear a tune in their mind, but not be able to imagine visual images associated with it.

Similarly, research has shown that despite the inability to generate on-demand visual imagery, some people with aphantasia may still report experiencing visual imagery within dreams. Others say their dreams are non-visual – made up of conceptual or emotional content.

These fascinating variations illustrate some of the invisible differences that exist among us. Although many people with aphantasia may not be aware they experience the world differently, what we do know is people with aphantasia live full and professional lives. In fact, it’s been shown that people with aphantasia work within a range of both scientific and creative industries.

For many, visual imagery is intrinsic to how they think, remember past events and plan for the future – a process they engage in and experience without actively trying to. We don’t yet know why such imagery variation exists, or the underlying basis. But, as aphantasia has shown, many of our mental experiences are not experienced universally. There are in fact a number of unknowing yet intriguing variations amongst us.

About this visual neuroscience research news

Source: The Conversation
Contact: Zoë Pounder – The Conversation
Image: The image is credited to The Conversation

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  1. Do we know the causes of this ailment?

    I suspect that I suffer from a form of this although I wouldn’t know how to qualify it. I’ve had some TBIs over my life that went untreated because I don’t remember having this challenge when I was younger and I still see images in my dreams. I just do not see them when I’m trying to picture people describing things to me.

  2. My daughter and I cannot visualize. She told me she always thought it meant just think about the object – which is exactly what I thought.
    We both graduated summa cum laude in our first degrees, and we each have three degrees. We are the people others come to for professional and factual information. This is not a handicap in any way!

  3. My sister has hyperphantasia. She hears other people’s memories and visualizes them so vividly that she thinks it happened to her. Or she invents a story and then comes to believe it. It’s irritating as heck but I don’t think she is a liar.

  4. I can’t imagine anything, when asked my mind is empty, no image forms. When meditating my mind is always empty.

  5. I find it much more difficult to do even basic math without memorization. So, when I try to visualize the math problem, the numbers vanish as fast as I try to see them. Therefore, I have never been able to do math in my head. At least now I know I have a name for this disability. aphantasia. Goes great with dyslexia.

  6. I have this problem and it’s super frustrating. It’s literally like not having a imagination.

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