We show that synesthesia is sensory and automatic in nature: the pupil scales with the brightness of experienced synesthetic colors. doi.org/10.7554/eLif...
Now in its new dress @elife.bsky.social (convincing & valuable in round 1).
If anyone wants to pick up the method, happy to share & explain!
doi.org
Christoph Strauch
Synesthetes claim sensory experiences, such as seeing color when reading or hearing a (black) number. But how genuine are these reports and sensations? We introduce a rather direct measure of synesthetic perception: Synesthetes’ pupils respond to evoked color as if it was real color #vision! 👁️🎨🧪
