Memory capacity is the fundamental cognitive ability to retain and retrieve information.
Word in 30 Seconds
- The ability to store and recall information.
- Often used to describe personal learning performance.
- Can be improved through practice and healthy habits.
使用パターン：主に「記憶力が良い」「記憶力が低下する」「記憶力を鍛える」といったフレーズで使われます。個人の能力を客観的に評価したり、自身の状態を説明したりする際に用いられます。
- 1一般的な文脈：学校での暗記学習、仕事での情報の処理、あるいは加齢による変化を語る際に非常によく使われます。「最近、記憶力が落ちてきた」といった日常会話から、「記憶力を高めるための食事」といった健康に関する話題まで幅広いです。
Examples
最近、記憶力が落ちてきた気がする。
everydayI feel like my memory has been declining lately.
当社のシステムは高い記憶力を必要とします。
formalOur system requires high memory capacity.
彼は記憶力が抜群だ。
informalHe has an excellent memory.
記憶力のメカニズムに関する研究が進んでいる。
academicResearch on the mechanism of memory is progressing.
Common Collocations
Common Phrases
記憶力が抜群
Outstanding memory
記憶力を高める
Enhance memory capacity
記憶力に頼る
Rely on one's memory
Often Confused With
Refers specifically to the ability to memorize facts or data by rote. It is a subset of overall memory capacity.
Focuses on the ability to retrieve information from memory. It is the 'output' side of the memory process.
Grammar Patterns
How to Use It
Usage Notes
The term is neutral and can be used in both formal and informal settings. It is frequently used to describe personal cognitive status. Avoid using it to criticize others in a professional environment as it can sound condescending.
Common Mistakes
Some learners confuse '記憶力' with '記録' (record). Remember that '記憶' is internal (brain), while '記録' is external (document). Ensure you use the correct particle when describing changes in memory.
Tips
Use visualization to boost memory
Visualizing information as images makes it easier to remember. Associating words with mental pictures significantly improves your recall ability.
Avoid over-relying on digital tools
Constantly using smartphones for information can hinder memory development. Try to memorize small things like phone numbers or schedules to keep your brain active.
Cultural emphasis on rote memorization
In Japanese education, memorization has traditionally been highly valued. This cultural background makes discussions about memory capacity very common in academic settings.
Word Origin
The word is composed of 記憶 (memory/remembrance) and 力 (power/ability). It reflects the Sino-Japanese structure commonly used for cognitive functions.
Cultural Context
Japanese culture places a significant emphasis on education and academic success, making memory capacity a frequent topic of discussion. It is often linked to discipline and study habits.
Memory Tip
Think of '記憶' as a 'Ki-oku' (key to open) the storage in your brain. The '力' (power) is the strength of that key.
Frequently Asked Questions
4 questionsはい、適切な学習法や生活習慣の改善によって向上させることが可能です。脳を活性化させるトレーニングや十分な睡眠が効果的です。
「記憶力が良い」は脳の全体的な保持能力を指し、「暗記が得意」は特定の情報を覚える作業を好む・こなせるという意味合いが強いです。
一般的に年齢とともに新しい情報を覚える力は低下する傾向がありますが、経験に基づく知識の定着は維持されます。日々の意識的な活動が維持の鍵となります。
はい、使えますが、相手の能力を直接指摘するのは失礼になる場合があります。自分自身の能力について話す際に使うのが最も安全です。
Test Yourself
彼は非常に___が良く、一度聞いた話を忘れない。
文脈的に「聞いた話を忘れない」という能力は記憶力を指します。
記憶力について正しい記述はどれですか？
記憶力は脳の可塑性により、生活習慣や訓練で向上させることが可能です。
（鍛える / ために / 記憶力を / パズルを / します / する）
目的（記憶力を鍛えるため）＋手段（パズルをする）の語順が適切です。
Score: /3
Summary
Memory capacity is the fundamental cognitive ability to retain and retrieve information.
- The ability to store and recall information.
- Often used to describe personal learning performance.
- Can be improved through practice and healthy habits.
Use visualization to boost memory
Visualizing information as images makes it easier to remember. Associating words with mental pictures significantly improves your recall ability.
Avoid over-relying on digital tools
Constantly using smartphones for information can hinder memory development. Try to memorize small things like phone numbers or schedules to keep your brain active.
Cultural emphasis on rote memorization
In Japanese education, memorization has traditionally been highly valued. This cultural background makes discussions about memory capacity very common in academic settings.
Examples
4 of 4最近、記憶力が落ちてきた気がする。
I feel like my memory has been declining lately.
当社のシステムは高い記憶力を必要とします。
Our system requires high memory capacity.
彼は記憶力が抜群だ。
He has an excellent memory.
記憶力のメカニズムに関する研究が進んでいる。
Research on the mechanism of memory is progressing.
Related Content
This Word in Other Languages
Related Vocabulary
More academic words
絶対的
B2Absolute; not qualified or diminished in any way; total.
絶対的に
B1In a complete, unconditional, or conclusive manner; absolutely.
抽象的だ
B1Abstract; existing in thought or as an idea but not having a physical or concrete existence.
抽象
B2Existing in thought or as an idea but not having a physical or concrete existence. It refers to generalizing or extracting the essence of something away from specific details.
抽象的に
B1In an abstract or theoretical manner.
学術的な
B1Academic, scholarly; relating to education and scholarship.
学術的だ
B1Academic; relating to education and scholarship.
学術的
B2Academic; relating to education and scholarship.
学術
B1Academia; scholarship; relating to scholarly pursuits.
学力
B1Academic ability; a person's level of knowledge and skill in academic subjects.
