The Other End of the Spectrum

If aphantasia is the absence of a mind’s eye, hyperphantasia is its intense presence.

People with hyperphantasia experience mental imagery so vivid, so detailed, and so persistent that it can feel almost as real as actual perception. They can recall faces with photographic clarity. They can mentally walk through spaces they visited years ago. They can visualize scenarios so intensely that their bodies react as if they were actually happening.

While aphantasia brings the challenge of imagining without images, hyperphantasia brings the challenge of images that are unusually vivid and sometimes difficult to regulate.

What Is Hyperphantasia?

Hyperphantasia is the ability to generate extremely vivid, detailed, and lifelike visual mental imagery (Zeman et al., 2015). It is at the opposite end of the imagery spectrum from aphantasia.

What it looks like:

• Reading a book and seeing the scenes play out like a movie

• Recalling a memory and re-experiencing it with full sensory detail

• Visualizing a future event with such clarity that it feels real

• Getting lost in daydreams that are as vivid as waking life

Prevalence: While aphantasia affects approximately 2-5% of the population, hyperphantasia is thought to affect a similar percentage (Dance et al., 2022).

The Neuroscience of Hyperphantasia

The Brain Basis: Emerging neuroimaging research suggests that people with hyperphantasia may show stronger functional connectivity between visual cortical regions (the occipital lobe at the back of the brain) and frontoparietal control networks (Lieto et al., 2025). In other words, the connection between the visual processing centers and the conscious control centers is strong — allowing internally generated images to become unusually vivid and consciously accessible.

The Dark Side: This strong connectivity also means images are harder to control. They may appear involuntarily, persist longer than desired, and carry intense emotional weight.

When Hyperphantasia Becomes a Problem

While vivid imagery can be a gift, it can also be overwhelming.

Intrusive Images:

• Unwanted, vivid images that appear without warning

• Traumatic memories that replay with full sensory detail

• Disturbing mental pictures that are hard to dismiss

Emotional Overload:

• Experiencing intense emotional reactions to imagined scenarios

• Anxiety triggered by vividly imagining worst-case scenarios

• Difficulty distinguishing between real and imagined threats

Sleep Disruption:

• Vivid dreams that feel exhausting

• Difficulty “turning off” the mind’s eye at night

• Wakefulness caused by intrusive imagery

Overwhelm:

• Mental fatigue from constant imagery

• Difficulty focusing when images are too vivid

Trauma and Hyperphantasia

How Trauma Affects Visual Imagery

Trauma and psychological distress can interfere with visual imagery in complex ways. For people with hyperphantasia, traumatic experiences may become encoded with exceptional vividness, making flashbacks particularly intense and difficult to manage. Trauma can cause both hyper-arousal and hypo-arousal states.

In hyper-arousal states, survivors experience extreme awareness and vigilance against perceived fear or threat. They may experience overwhelming feelings, high levels of anxiety, and emotional outbursts. This state is exhausting and unsustainable long term.

In hypo-arousal states, survivors “shut down” against perceived fear or threat. They feel disconnected, unaware, and numb. Long term, they may lose the ability to “feel” or lose touch with reality.

For people with hyperphantasia, trauma may manifest as:

• Visual flashbacks that are exceptionally vivid and lifelike

• Intrusive images that appear without warning and are hard to dismiss

• Emotional flooding triggered by visual reminders of trauma

• Difficulty distinguishing between real and imagined threats

PTSD and Hyperphantasia

Mental imagery and re-traumatisation go hand in hand. Research suggests that highly vivid imagery may increase vulnerability to intrusive memories following traumatic experiences.

One study found that people with typical visual imagery showed increasing anxiety when reading stressful scenarios, while people with aphantasia showed a flat response on average. In a follow-up study, people with typical imagery had significantly more intrusive memories of a stressful video compared to those with aphantasia.

This suggests a protective role for aphantasia — but also reveals that hyperphantasia may make people more vulnerable to trauma-related imagery.

However: This does not mean people with aphantasia are completely immune to PTSD. Trauma can be experienced through other sensory channels, and many people with aphantasia still experience PTSD symptoms — just without the visual component.

When Trauma Causes Aphantasia

While congenital aphantasia is a lifelong condition, trauma, depression, or other psychological difficulties can sometimes cause acquired aphantasia. In these cases, the loss of visual imagery is accompanied by other psychological difficulties. Therapy can help individuals come to terms with acquired aphantasia or hyperphantasia.

Understanding Trauma Treatments

Many therapeutic approaches for trauma and PTSD rely on imagery-based techniques. Understanding these methods can help people with hyperphantasia navigate treatment.

PTSD and Its Symptoms

Post-Traumatic Stress Disorder (PTSD) is a psychiatric disorder that can develop after experiencing a traumatic event. It is defined as “exposure to actual or threatened death, serious injury, or sexual violence.”

Common symptoms include:

• Intrusions: Unwanted memories, flashbacks, or nightmares of the traumatic event

• Avoidance: Avoiding reminders of the trauma

• Negative cognitions: Negative beliefs about oneself or the world

• Hyperarousal: Being easily startled, feeling on edge, difficulty sleeping

A crucial part of a trauma response is experiencing intrusions. These intrusions typically contain visual images related to the traumatic event and are considered to be distressing.

Imagery Rescripting

What It Is: Imagery Rescripting (ImRs) is an experiential therapeutic technique used to reduce unwanted, intrusive cognitions (such as flashbacks and nightmares of traumatic memories) by changing the image using imagery to be less distressing (Kullberg et al., 2025).

How It Works: Patients are asked to vividly recall a traumatic experience, and then imagine that an intervention takes place that changes the course of the original memory into an image in which the needs of the patient are fulfilled.

The Process:

• Phase 1: Patients imagine a concrete traumatic experience as vividly as possible until enough emotional arousal is achieved

• Therapist enters: The therapist rescripts the image by establishing safety for the child or younger self in the memory

• Phase 2: Patients are asked to imagine the image as an adult, intervene in the image, and then experience the interventions from the perspective of the child

Effectiveness: ImRs is an effective and highly acceptable procedure for both patients and therapists. Research shows very large treatment effects on PTSD symptoms, with notably low dropout rates.

Adaptations for Hyperphantasia:

• Therapists can discuss rescripting steps prior to commencing to reduce unpredictability

• Slow breathing or grounding techniques can be used before rescripting

• Pacing can be adjusted to manage emotional intensity

• Sensory grounding objects (fidget cube, magnetic sand, hand moisturiser) can be held during the rescript

EMDR (Eye Movement Desensitization and Reprocessing)

What It Is: EMDR is a first-line treatment for PTSD that traditionally involves visualizing traumatic memories while engaging in bilateral stimulation (eye movements, taps, or tones).

How It Works: Although imagery is frequently used in EMDR, the therapeutic target is not the image itself but the emotional, cognitive, and bodily memory network associated with the experience. The imagery is, to some extent, a means to access “feeling states” in the body. The goal is often to connect with the felt sense — of being calm and feeling safe and resourced, or (in trauma processing) of accessing the distress in order to re-process it.

Adaptations for Hyperphantasia:

• Resources: Therapists can help clients develop a “safe place” that doesn’t require visualisation

• Processing: Focus on somatic (body) and emotional experiences rather than visual details

• Assessment: Target access can be modified for clients who process somatically, emotionally, or conceptually rather than visually

Body-Focused Therapies

What They Are: Somatic Experiencing, Sensorimotor Psychotherapy, and Body Psychotherapy place less emphasis on visualisation. These approaches are typically used for trauma and PTSD treatment.

How They Work: These therapies focus on here-and-now sensations, using objects and interoception (awareness of internal body states) rather than visual imagery. The goal is often to connect with the felt sense — of being calm, feeling safe, or accessing distress in order to re-process it.

Why It Matters: As Bessel van der Kolk writes in The Body Keeps the Score, trauma is stored in the body. Body-focused therapies can be particularly helpful for people with hyperphantasia who need to ground themselves in the present moment.

Hyperphantasia and Mental Health

Anxiety and Worry: People with hyperphantasia may be more prone to anxiety because they can vividly imagine worst-case scenarios. The emotional impact is stronger because the image feels real (Zeman et al., 2020).

Trauma and PTSD: Traumatic memories can be particularly vivid and intrusive. Flashbacks may be more intense because of the strength of the imagery.

Creativity: Many artists, writers, and designers have hyperphantasia. It can be a powerful creative tool — but one that needs to be managed.

Managing Overwhelming Imagery

For those whose hyperphantasia becomes overwhelming, several strategies can help.

Grounding Techniques

• Focus on physical sensations (feet on the floor, breath in the body)

• Use the “5-4-3-2-1” technique (5 things you see, 4 you feel, etc.)

• Engage the body to interrupt the imagery

Imagery Regulation Techniques

• Practice “closing” images intentionally

• Use mental techniques to shrink, mute, or “fade out” images

• Replace intrusive images with neutral or calming ones

Therapeutic Approaches

• Cognitive Behavioral Therapy (CBT) for anxiety

• Trauma-focused therapies for intrusive images

• Mindfulness practices to observe images without reacting

Lifestyle Adjustments

• Limit visual stimulation before bed

• Practice “image off” periods during the day

• Establish good sleep hygiene

Conclusion

Hyperphantasia is not a disorder — it is a different way of processing experience, just like aphantasia.

While vivid imagery can be a gift, it can also be overwhelming. The key is not to eliminate imagery, but to develop a healthy relationship with it — to see images without being controlled by them.

For people with hyperphantasia who experience trauma, there are effective treatments available. Therapies can be adapted to work with or without visual imagery, and the focus is often on accessing and processing emotions in ways that work for the individual.

Key insight: Hyperphantasia is not a problem to be fixed. It is a way of seeing — one that comes with both gifts and challenges.

A Final Note: The Spectrum of Imagination

Aphantasia and hyperphantasia are not disorders at opposite ends of health and illness. They are natural variations in how the brain generates mental imagery. Most people fall somewhere between these two extremes.

Understanding where you are on this spectrum can help you choose imaginative practices and therapeutic approaches that work with your own mind rather than against it. Whether your mind’s eye is absent, exceptionally vivid, or somewhere in between, your way of imagining is valid — and there are tools and techniques that can help you work with it.

Summary Comparison

Aphantasia:

• Mind’s Eye: Absent

• Imagination: Through concepts, sensations, emotions, words

• Challenge: Difficulty with visualization-based methods

• Strength: Analytical thinking, conceptual clarity

• Neural Basis: Functional disconnection

Hyperphantasia:

• Mind’s Eye: Exceptionally vivid

• Imagination: Through lifelike, detailed images

• Challenge: Intrusive images, anxiety, overwhelm

• Strength: Creativity, vivid memory, immersive experience

• Neural Basis: Strong connectivity

References

Dance, C. J., et al. (2022). What is the prevalence of aphantasia? Cortex, 152, 15–25.

Kullberg, M. L. J., Verkuil, B., Huntjens, R., & Schoorl, M. (2025). Imagery Rescripting Therapy for Mental Images About Ritual Abuse During Childhood – A Case Study. Clinical Case Studies, 24(5), 369–388.

Lieto, F., et al. (2025). Aphantasia as a functional disconnection. Trends in Cognitive Sciences.

Monzel, M., et al. (2024). Hippocampal-occipital connectivity reflects autobiographical memory deficits in aphantasia. eLife.

Zeman, A., et al. (2015). Lives without imagery – Congenital aphantasia. Cortex, 73, 378–380.

Zeman, A., et al. (2020). Phantasia – The psychological significance of lifelong visual imagery vividness extremes. Cortex, 130, 426–440.