共きょう感かん覚かく

noun

synesthesia

A neurological phenomenon where stimulation of one sensory pathway leads to automatic, involuntary experiences in a second sensory pathway (e.g., seeing colors when hearing music).

• 彼かの女じょは共きょう感かん覚かくの持もち主ぬしで、音おとを聞きくと色いろが見みえる。

  She has synesthesia and sees colors when she hears sounds.

• 共きょう感かん覚かくは病びょう気きではなく、脳のうの特とく性せいの一ひとつと考かんがえられている。

  Synesthesia is not a disease but is considered a characteristic of the brain.