神経 is used for both physical nerves and psychological sensitivity.
COMMON EXPRESSIONS:
- 神経が細かい (sensitive, detail-oriented)
- 神経が太い (thick-skinned, insensitive - often negative)
- 神経を使う (to be nervous, to pay careful attention)
- 神経にさわる (to get on one's nerves)
- 神経が高ぶる (nerves are on edge)
COMPOUNDS: