How do you measure something you can't see? Tools like the PSIQ and other imagery questionnaires let researchers quantify vividness and study it at scale.

Since 2015, "aphantasia" has reshaped our understanding of imagination, revealing that not everyone visualizes mentally. This discovery, along with "hyperphantasia," highlights the diverse nature of human imagination.
Tom Ebeyer · May 2024

New research from the University of Bonn reveals how aphantasia affects memory, particularly when remembering the past. The study of 30 participants found that people with aphantasia experience significant challenges in recalling autobiographical memories.
Tom Ebeyer · March 2024

This apple illusion allows people who can't visualize to temporarily 'see' an image that isn't there—using visual perception to demonstrate what others experience through their imagination.
Aphantasia Network · October 2023

February 2024
Deery · Phenomenology and the Cognitive Sciences
Researchers propose that mental imagery is a modulation of bodily orientation rather than a neural simulation. This suggests aphantasia is a specific inability to willfully conjure sensory-like presence through this bodily imagination.
Kvamme, Nagai and Silvanto · Trends Open
Researchers found that mental imagery and emotion share a common generative substrate in the brain's interoceptive system. This suggests imagery disturbances across various conditions are direct consequences of underlying interoceptive dysfunction.
Panigutti and colleagues · Neuroscience & Biobehavioral Reviews
This systematic review found only 11 studies on imagery and hallucinations in Parkinson's, Alzheimer's and schizophrenia, and none in Lewy body dementia. Seven reported a link and four did not, so the evidence is indecisive.
Ernst, Kronbichler and Meyer · Scientific Reports
Researchers found that imagining a moral dilemma from a third-person perspective is linked to higher acceptability of harmful actions. This suggests visual perspective, not just vividness, helps shape how we make moral decisions.
How do we define "mental image" in visualization, and how does personal interpretation affect generated images?
Victor · · 1 reply
Marketing often targets neurotypicals, leaving others feeling misled. How can we create strategies that resonate with diverse cognitive experiences?
Josh · · 2 replies
A self-report measure of attention towards internal bodily sensations.
Understanding your beliefs about how accurately you perceive your body's signals.