Couldn't the brain damage have essentially caused the state from the training process for those specific glyphs to fail with "garbage" associations? Thus he get

Couldn't the brain damage have essentially caused the state from the training process for those specific glyphs to fail with "garbage" associations? Thus he gets disoroentating confusion and reinforced revulsion when he tries to understand interfering with any occupational therapy to retrain it such that arbitrary glyphs lacking such associations didn't have those issues.