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No one ever mentioned brain lateralisation when I was approved for a cochlear implant.
Not the surgeon. Not the audiologist. Not the literature.
I chose the left side because it seemed weaker. But in hindsight, I may have digitised the wrong half of myself.
Here’s what’s often left unsaid:
The left ear feeds into the right hemisphere (intuition, pattern, analogue).
The right ear feeds into the left hemisphere (language, logic, decoding).
I was born deaf, developed APD, and relied on visual comprehension from the start.
My brain wired itself around sound—using sight, captions, and pattern recognition.
So what happens when you inject digital, high-frequency, artificial sound into a hemisphere never built to process speech?
More input. Less understanding. More noise. Louder tinnitus. Sensory overload. Misophonia.
Signal is lost in translation—not because the implant is faulty, but because the wiring was never accounted for.
Where are the studies on this?
Why isn’t laterality—especially for older CI patients with APD or visual-first language mapping—ever mentioned?
Why are we still treating deafness as a deficit of ears, instead of a reconfiguration of the whole sensory system?
It might be time to start asking these questions out loud.
I’m considering drafting a speculative white paper. Working title:
Crossed Wires: Rethinking Laterality in Cochlear Implantation for APD & Prelingual Deafness
Let me know if you’ve experienced similar. Especially if you were asked to choose a side—and didn’t know the map beneath the surface.
#processzine#signalnoise#deafdesign#cochlearimplant#auditoryprocessingdisorder#brainlaterality#neurodivergence#apd#soundstudies#disabilitystudies#neuroaesthetics#misophonia#tinnitus#glitchphilosophy#signalvsnoise
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