のう

brain, memory

JLPT N3

Character Breakdown

Understanding 脳 (のう)

The word 脳 refers primarily to the brain as a physical organ inside the head. It is often used in scientific, medical, and everyday contexts when discussing mental functions or memory.

Common Uses

You will see 脳 used when talking about brain functions (脳の働き), memory (脳の記憶力), or neurological research. It is a formal and neutral term, suitable for both casual and academic conversations.

Collocations and Patterns

  • 脳の働き (のうのはたらき): brain function; used when discussing how the brain operates.
  • 脳の記憶力 (のうのきおくりょく): brain's memory capacity; common in contexts about improving or testing memory.
  • 脳を鍛える (のうをきたえる): to train or exercise the brain; often used when talking about mental exercises.

Usage Tips

When using 脳, you are specifically referring to the brain itself or its functions, not just general thinking or intelligence. Avoid confusing 脳 with 心 (こころ), which means heart or mind in a more emotional or spiritual sense. 脳 is more scientific and concrete.

Common Mistake

Learners sometimes confuse 脳 with 頭 (あたま), which means head. Remember, 脳 is the brain inside the head, while 頭 refers to the head as a body part or the top of something.

Example Sentences

のうはいじょうほうをしょりするじゅうようなきかんです。

The brain is an important organ that processes information.

かれはのうのはたらきについてけんきゅうしています。

He is researching brain functions.

のうのきおくりょくをきたえるためにまいにちぱずるをといています。

I solve puzzles every day to train my brain's memory.