The Life Scientific: Julia Simner

The Life Scientific: Julia Simner

From Discovery by BBC World Service

February 23, 2026 · 26 min

About this episode

Professor Julia Simner discusses her research on synaesthesia and sensory processing.

Imagine if you were listening to an opera or a Taylor Swift concert, and as the lights in the auditorium dimmed, the music was accompanied by a rainbow of colours only you could see. Perhaps while listening to your friends talking, you simultaneously experience a smorgasbord of tastes, with different words evoking different flavours, maybe a delicious ice cream, or something as disgusting as ear wax... This merging of the senses is known as synaesthesia, and it’s the rich research world of neuropsychologist Professor Julia Simner. Julia runs the Multisense lab at the University of Sussex and has pioneered research into understanding how special brains process our sensory world in special ways. In the studio she tests Jim to see if he might be a synaesthete or have aphantasia, which is the inability to view images in the mind’s eye. The results are surprising. Julia’s discovered links to autism, and to different personality types, as well as a number of previously unknown sensory differences. She describes her career and her life as a series of swerves, or sliding door moments, that have led her to study the subject and the people she’s passionate about. She says that the more she…

People in this episode

Host: Jim

Guest: Julia Simner

Topics covered

  • synaesthesia
  • neuropsychology
  • sensory processing
  • autism
  • personality types
  • research

Keywords

  • synaesthesia
  • neuropsychology
  • autism
  • personality types
  • Multisense lab

Mentioned in this episode

Organizations: University of Sussex

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