Translation

刺激 / 誘因 / 反応を引き起こすもの

Meaning

A stimulus is something that causes a reaction, response, or activity. It is common in psychology, biology, education, and economics. The plural is stimuli, not stimuluses in careful English.

Examples

• 明るい光は強い刺激になりました。
  The bright light was a strong stimulus.
• 研究者たちは参加者の刺激への反応を測定しました。
  Researchers measured the response to the stimulus.