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B1 noun, verb 10 min de lecture

知覚

chikaku

Entraîne-toi Exemples Notes et astuces 知覚 en 30 secondes

Explication 知覚 in your Level:

At the A1 level, you don't really need to use the word '知覚' (chikaku) yet. It is a bit too difficult. Instead, you learn simple words for the senses. You learn '見る' (miru - to see), '聞く' (kiku - to hear), and '感じる' (kanjiru - to feel). These are the basic building blocks. '知覚' is like a big umbrella word that covers all of these things, but in a more scientific way. Think of it like this: A1 is 'I see a dog.' '知覚' is 'The brain processes the image of the dog.' You might see the kanji for '知' in words like '知る' (shiru - to know). Knowing that '知' means 'to know' will help you later when you learn '知覚'. For now, just remember that humans have five senses, and those senses help us 'know' the world. If you see this word in a very simple book, just think of it as a fancy way to say 'seeing and hearing'. Don't worry about using it in your own speaking yet. Focus on the basic verbs first!

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At the A2 level, you are starting to learn more formal nouns. You might encounter '知覚' (chikaku) in a simple science article or a health-related text. At this stage, it is important to distinguish '知覚' from '近く' (chikaku - nearby). They sound exactly the same! '近くの公園' (chikaku no kouen) means 'nearby park'. '知覚' is a noun that means 'perception'. You might see it in the term '知覚過敏' (chikaku kabin), which is 'sensitive teeth'. If you go to a drug store in Japan, you might see this written on toothpaste for sensitive teeth. This is a very practical way to remember the word! You are also learning 'suru-verbs' now. '知覚する' means 'to perceive'. It is more formal than '感じる' (kanjiru). If you want to say 'The robot detects the wall,' you might use '知覚する'. It sounds more professional. Try to notice this word when you read about technology or medicine.

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Welcome to the B1 level, where '知覚' (chikaku) becomes a useful part of your vocabulary. At this level, you are moving beyond simple daily life and starting to talk about more abstract or technical topics. '知覚' is a key word for describing how humans and animals interact with their environment. You should understand that '知覚' is different from '感覚' (kankaku). '感覚' is the physical feeling (like cold or pain), while '知覚' is the mental recognition of that feeling. For example, '痛みの知覚' (perception of pain) is how your brain understands that you are hurt. You will see this word often in psychology or biology lessons. In terms of grammar, remember it is a 'suru-verb'. You can say '音を知覚する' (to perceive a sound). This sounds much more precise than '音を聞く' (to hear a sound). It implies that you are not just hearing it, but your brain is identifying it. This word is also common in the JLPT N2 and N3 levels, so mastering it now will help you pass those exams!

At the B2 level, you should be able to use '知覚' (chikaku) accurately in formal writing and discussions. You are expected to understand its nuances in various fields like psychology, philosophy, and cognitive science. You might discuss '知覚の歪み' (distortion of perception) or '視覚的知覚' (visual perception) in an essay. At this level, the distinction between '知覚' (perception), '認識' (recognition), and '意識' (consciousness) is very important. '知覚' is the sensory process, '認識' is the cognitive identification, and '意識' is the overall state of being awake and aware. For example, '彼はその音を知覚したが、それが何であるかは認識できなかった' (He perceived the sound, but could not recognize what it was). This level of precision is what defines a B2 learner. You should also be familiar with passive forms like '知覚される' (to be perceived). In academic Japanese, the passive voice is very common. '外部の刺激は脳によって知覚される' (External stimuli are perceived by the brain). Start using this word in your formal presentations or when writing reports about scientific topics.

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At the C1 level, '知覚' (chikaku) is a word you use to explore deep philosophical and scientific questions. You might read texts by Japanese philosophers like Nishida Kitaro, who discuss the nature of perception and experience. In these contexts, '知覚' is not just a biological process but a fundamental part of existence. You will encounter complex terms like '知覚恒常性' (perceptual constancy) or '知覚的統合' (perceptual integration). You should be able to debate the subjectivity of perception: '知覚は客観的な現実をどこまで正確に反映しているか' (To what extent does perception accurately reflect objective reality?). Your usage of the word should be flawless, and you should be able to use it in its various compound forms effortlessly. You might also encounter it in legal Japanese, discussing the reliability of a witness's '知覚'. At this stage, you are not just learning the word; you are using it as a tool to analyze complex systems of thought and human biology.

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At the C2 level, you have a native-like grasp of '知覚' (chikaku). you can use it in highly specialized academic environments, such as medical research or advanced phenomenological studies. You understand the subtle historical shifts in how this word has been used in Japanese literature and science. You can distinguish between '知覚' and more obscure terms like '直観' (intuition) or '表象' (representation) in the context of Kantian philosophy or modern neuroscience. You are capable of writing a thesis or a professional medical report that utilizes '知覚' in all its technical glory. Whether you are discussing '知覚過敏' in a dental journal or '知覚の現象学' (Phenomenology of Perception), you do so with nuance and total command of the register. You also understand the cultural implications—how Japanese culture views the 'senses' and how this is reflected in the use of '知覚' compared to Western concepts. You are a master of the word, using it with the precision of a scientist and the depth of a philosopher.

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Entraîne-toi Exemples Notes et astuces

知覚 en 30 secondes

Formal term for sensory perception.
Used in medical, psychological, and technical contexts.
Distinguished from raw sensation (感覚) and cognitive recognition (認識).
Commonly found in phrases like 'sensitive teeth' (知覚過敏).

The Japanese word 知覚 (ちかく - chikaku) is a sophisticated term primarily used to describe the psychological and physiological process of perception. It refers to the way our brain interprets sensory information—what we see, hear, touch, smell, and taste—to create a meaningful understanding of the world around us. While in English, 'perception' can sometimes mean an opinion or a viewpoint, in Japanese, 知覚 is more strictly tied to the biological and cognitive act of processing external stimuli through the senses. It is a fundamental concept in psychology, medicine, and philosophy, but it also appears in everyday contexts when discussing sensory awareness or the lack thereof.

Biological Context: In medical or biological discussions, 知覚 refers to the actual transmission of signals from sensory organs to the brain. For example, '知覚神経' (chikaku shinkei) refers to sensory nerves.
Psychological Context: Psychologists use this word to discuss how the brain organizes and identifies sensory information to represent and understand the environment.
Everyday Context: You might hear it when someone describes a subtle change they noticed, such as 'かすかな変化を知覚する' (perceiving a faint change), though 感覚 (kankaku) is more common for casual 'feelings'.

Understanding 知覚 requires distinguishing it from its close relative, 感覚 (kankaku). While 感覚 is the raw sensation (like the feeling of heat), 知覚 is the brain's recognition of that sensation (the realization that 'the stove is hot'). This nuance is crucial for intermediate and advanced learners. When you use 知覚, you are implying a level of cognitive processing beyond just 'feeling'. It is the moment the 'feeling' becomes 'information'.

人間は五感を通じて外部の刺激を知覚します。(Humans perceive external stimuli through the five senses.)

In literature and philosophy, 知覚 often appears in discussions about the 'Doors of Perception' (知覚の扉 - chikaku no tobira) or the limits of human understanding. It suggests a gateway between the physical world and the internal mind. In the digital age, you might also find it in the context of 'AI 知覚' (AI perception), referring to how machines process visual or auditory data to 'understand' their surroundings.

彼はそのわずかな音を知覚することができなかった。(He was unable to perceive that slight sound.)

Common Compounds: 知覚過敏 (chikaku kabin) - Hypersensitivity, often used for sensitive teeth. 知覚心理学 (chikaku shinrigaku) - Perceptual psychology.

To use this word correctly as a verb, you add 'する' (suru), making it '知覚する'. This verb form is quite formal and is typically used in academic papers, medical reports, or high-level literature. In a casual conversation, if you say '知覚した', people will understand you, but they might think you sound like a textbook or a scientist. For learners aiming for the B1 level and above, mastering 知覚 is essential for discussing abstract concepts and scientific facts accurately.

冷たさの知覚は人によって異なります。(The perception of coldness varies from person to person.)

Using 知覚 (chikaku) correctly involves understanding its grammatical role as a 'suru-verb' noun. This means it can function as a standalone noun or act as a verb when followed by 'suru'. Because it is a formal word, it often appears in the objective case with the particle 'を' (wo) or as a subject with 'は' (wa) or 'が' (ga). In sentence construction, it usually describes the act of a subject (human, animal, or machine) detecting a stimulus.

Direct Object Usage: When you perceive something specific, use: [Stimulus] + を + 知覚する. Example: 危険を知覚する (To perceive danger).
Noun Form with Particles: When discussing the concept of perception: 知覚 + が + [Adjective/Verb]. Example: 知覚が鋭い (Perception is sharp).

赤ん坊はまだ色の違いを正確に知覚できない。(Babies cannot yet accurately perceive differences in color.)

One of the most common ways you will see this word used is in compound nouns. In Japanese, combining two or more kanji creates specialized terminology. 知覚 is very productive in this regard. For example, 知覚異常 (chikaku ijō) means 'sensory abnormality', and 知覚能力 (chikaku nōryoku) means 'perceptual ability'. These terms are frequently used in medical contexts to describe how a patient is responding to physical tests.

このロボットは、障害物を知覚して自動で回避します。(This robot perceives obstacles and avoids them automatically.)

In advanced Japanese, 知覚 is used to discuss the philosophy of the mind. You might encounter sentences like '知覚は主観的なものである' (Perception is something subjective). Here, the word is used to contrast objective reality with our mental representation of it. It is also used in the passive voice—知覚される (chikaku sareru)—to describe things that are being perceived by an observer.

光は網膜を通じて脳に知覚されます。(Light is perceived by the brain through the retina.)

Negative Usage: 知覚できない (cannot perceive) is used to describe things outside the range of human senses, like ultrasound or infrared light.

When writing about 知覚, ensure you are using the correct kanji. 知 means 'knowledge/wisdom' and 覚 means 'to wake up/perceive'. Together, they literally mean 'the knowledge gained by waking up to one's senses'. This etymological connection helps remember that it's about the conscious awareness of sensory input.

While 知覚 (chikaku) isn't a word you'll use to order coffee, it is ubiquitous in specific professional and intellectual environments in Japan. If you are a student at a Japanese university, a professional in a tech field, or someone receiving medical care, you will encounter this word frequently. It is a staple of the 'hard' and 'soft' sciences alike.

In the Dentist's Office: Perhaps the most common place for an average person to see this word is on a tube of toothpaste or at the dentist. '知覚過敏' (chikaku kabin) is the standard Japanese term for 'sensitive teeth'. If your teeth hurt when you drink cold water, the dentist will tell you that you have 知覚過敏.
In Technology and Robotics: Japan is a leader in robotics and AI. In these fields, 知覚 is used to describe how sensors allow a machine to 'perceive' its environment. Terms like '視覚的知覚' (visual perception) are common in technical manuals and academic papers about computer vision.

歯医者で「知覚過敏ですね」と言われました。(I was told at the dentist, 'It's tooth sensitivity.')

In the realm of psychology and education, 知覚 is a key term. When discussing child development, educators might talk about '知覚の発達' (perceptual development), referring to how children learn to interpret complex visual patterns or musical rhythms. Similarly, in the news, you might hear it during reports on self-driving cars, where the vehicle's '知覚システム' (perception system) is discussed in terms of safety and accuracy.

自動運転車は、周囲の状況をリアルタイムで知覚する必要があります。(Self-driving cars need to perceive their surroundings in real-time.)

You will also find 知覚 in legal contexts, specifically regarding '知覚の正確性' (accuracy of perception) in eyewitness testimony. Lawyers and judges discuss whether a witness was in a position to accurately perceive the events of a crime. This demonstrates the word's importance in determining 'truth' based on sensory evidence.

目撃者の知覚が正しいかどうか、疑問が残ります。(Questions remain as to whether the witness's perception was correct.)

Lastly, in the world of art and design, 知覚 is used to describe how a viewer interacts with a piece. '色彩知覚' (color perception) is a field of study for designers who want to understand how different colors affect the human mood or how they are seen under different lighting conditions. Whether you are reading a scientific journal or a high-end design magazine, 知覚 is the bridge between the physical world and human experience.

For English speakers learning Japanese, 知覚 (chikaku) can be a bit of a 'false friend' because the English word 'perception' is much broader. In English, we say 'My perception of the situation is...' to mean 'My opinion' or 'My take'. In Japanese, using 知覚 in this way is a major mistake. Japanese has specific words for different types of 'perception'.

Mistake 1: Using 知覚 for 'Opinion': Incorrect: 私のこの問題に対する知覚は... (My perception of this problem is...). Correct: 私のこの問題に対する見解 (kenkai) or 捉え方 (toraekata) は...
Mistake 2: Confusing 知覚 with 感覚 (kankaku): 感覚 is for the raw feeling (e.g., 'I have a feeling something is wrong'). 知覚 is for the biological/cognitive processing of a specific stimulus (e.g., 'The brain processes the auditory stimulus').

❌ 彼は私のジョークを知覚しなかった。(He didn't 'perceive' my joke - sounds robotic). ✅ 彼は私のジョークを理解しなかった。(He didn't understand my joke).

Another common error is using 知覚 to mean 'noticing' something in a casual way. While 'to perceive' and 'to notice' are synonyms in English, in Japanese, '気づく' (kizuku) is the go-to verb for everyday life. If you use 知覚する when you notice your friend has a new haircut, you will sound like an android. 知覚 is reserved for when the act of sensing itself is the focus of the sentence.

❌ 新しい看板を知覚した。(I perceived the new sign). ✅ 新しい看板に気づいた。(I noticed the new sign).

Finally, learners often struggle with the pronunciation of 知覚 (chikaku) because it sounds identical to '近く' (chikaku), which means 'near' or 'nearby'. While they are homophones, their kanji and usage are entirely different. In spoken Japanese, the context usually makes it clear, but in writing, confusing '知覚' with '近く' is a sign of a beginner. Always double-check your kanji!

近く (Near) vs. 知覚 (Perception). Example: 近くの公園 (Nearby park) vs. 痛みの知覚 (Perception of pain).

To avoid these mistakes, think of 知覚 as a scientific term. Use it when you are talking about the brain, the senses, AI, or medical conditions. For everything else—opinions, casual noticing, or physical feelings—there are better, more natural Japanese words to use.

To truly master 知覚 (chikaku), you must understand where it sits in the hierarchy of Japanese words related to sensing and thinking. Japanese has a rich vocabulary for the various stages of mental processing. Here is how 知覚 compares to its most common alternatives.

感覚 (Kankaku) - Sensation: This is the raw data. It's the feeling of cold, the sound of a bell, or the color red. 知覚 is the next step: recognizing that the cold is 'snow', the sound is 'a telephone', or the color is 'a stop sign'.
認識 (Ninshiki) - Recognition / Awareness: This is more cognitive. It means to identify something and understand its significance. While 知覚 is about the senses, 認識 is about the mind. You 'perceive' (知覚) a shape, but you 'recognize' (認識) that it's your boss.
察知 (Sacchi) - Sensing / Detecting: This implies a subtle or intuitive detection, often of danger or a hidden mood. It's more active than 知覚. You '察知' a trap or '察知' someone's anger.

Comparison:
1. 寒さを感覚として捉える (Catching the cold as a sensation).
2. 寒さを知覚する (Perceiving the cold - scientific).
3. 状況の危うさを認識する (Recognizing the danger of the situation).
4. 危険を察知する (Sensing/detecting danger).

Another word often confused with 知覚 is 意識 (ishiki), which means 'consciousness'. While you need consciousness to have perception, they are not the same. You can be conscious but have impaired 知覚 (like when your legs are numb). Conversely, you can't really 'perceive' something in the Japanese sense if you are unconscious.

In literary contexts, you might see 感受 (kanju), which means to 'receive' or 'be sensitive to' (like art or influence). This has a more emotional or aesthetic nuance than the clinical 知覚. For example, '感受性が豊か' means to be highly sensitive or artistic, whereas '知覚が鋭い' sounds more like a description of a predator's eyesight.

動物は人間には不可能な音域を知覚できる。(Animals can perceive sound ranges that are impossible for humans.)

By choosing the right word among these synonyms, you can express exactly what level of awareness or sensing you are talking about. 知覚 is your 'technical' tool in this vocabulary set.

How Formal Is It?

Le savais-tu ?

The kanji 覚 is also the same 'kaku' in 'kaku-go' (determination/preparation) and 'me-zameru' (to wake up). It implies a sudden realization or coming into awareness.

Guide de prononciation

UK t͡ɕi.ka.kɯ

US t͡ʃi.kɑ.ku

The pitch accent is 'Heiban' (Flat), meaning the pitch starts low on 'chi' and stays high for 'ka' and 'ku'. [L H H]

Rime avec

自覚 (jikaku - self-awareness) 資格 (shikaku - qualification) 視覚 (shikaku - vision) 聴覚 (chōkaku - hearing) 嗅覚 (kyūkaku - smell) 味覚 (mikaku - taste) 触覚 (shokkaku - touch) 比較 (hikaku - comparison)

Erreurs fréquentes

Pronouncing it as 'chi-ka-koo' with long vowels.
Confusing the pitch accent with 'chikaku' (nearby), though both are often heiban.
Making the 'u' at the end too strong; it should be nearly silent in some dialects.
Failing to distinguish the 'chi' from 'shi'.
Over-emphasizing the 'ka' syllable.

Niveau de difficulté

Lecture 4/5

The kanji are common but the technical usage requires context.

Écriture 4/5

Requires remembering the strokes for '覚', which is slightly complex.

Expression orale 3/5

Pronunciation is easy, but finding the right situation to use it is tricky.

Écoute 4/5

Can be confused with '近く' (nearby) if not careful.

Quoi apprendre ensuite

Prérequis

知る (To know) 覚える (To remember) 感覚 (Sensation) 目 (Eye) 耳 (Ear)

Apprends ensuite

認識 (Recognition) 意識 (Consciousness) 自覚 (Self-awareness) 神経 (Nerve) 刺激 (Stimulus)

Avancé

現象学 (Phenomenology) クオリア (Qualia) 恒常性 (Homeostasis/Constancy) 閾値 (Threshold) 志向性 (Intentionality)

Grammaire à connaître

Suru-verbs (N+する)

知覚する (To perceive)

Passive voice with Suru-verbs (N+される)

知覚される (To be perceived)

Potential form with Suru-verbs (N+できる)

知覚できる (Can perceive)

Adjectival form (N+的な)

知覚的な (Perceptual)

Noun compounding

知覚過敏 (Perceptual hypersensitivity)

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Exemples par niveau

目はものを見るための知覚の道具です。

Eyes are tools for perception to see things.

Uses 'AはBのためのCです' (A is C for B).

五つの知覚があります。

There are five perceptions (senses).

Simple counting of a noun.

音を知覚することは大切です。

Perceiving sound is important.

Verb 知覚する + こと makes it a noun phrase.

光を知覚します。

(I) perceive light.

Simple subject-object-verb structure.

知覚は脳の働きです。

Perception is the work of the brain.

AはBのCです structure.

私たちは色を知覚できます。

We can perceive colors.

Potential form: 知覚できる.

痛みの知覚は体からのサインです。

The perception of pain is a sign from the body.

Noun + の + Noun.

知覚を使って世界を知ります。

Using perception, (we) know the world.

Te-form for 'using and...'.

歯がしみるのは知覚過敏かもしれません。

If your teeth sting, it might be tooth sensitivity.

Uses 'かもしれません' (might be).

ロボットが障害物を知覚しました。

The robot perceived the obstacle.

Past tense of a suru-verb.

暗い場所では、物の形を知覚しにくいです。

In dark places, it is hard to perceive the shapes of things.

Stem + にくい (hard to do).

動物は遠くの音を鋭く知覚します。

Animals perceive distant sounds sharply.

Adverbial use: 鋭く (sharply).

知覚の仕組みを勉強しましょう。

Let's study the mechanism of perception.

Volitional form: ましょう.

五感とは、五つの知覚のことです。

The five senses refers to the five perceptions.

Uses '〜とは〜のことです' to define something.

新しい刺激を知覚すると、脳が動きます。

When (you) perceive a new stimulus, the brain moves (works).

Conditional 'と'.

このセンサーは熱を知覚できますか？

Can this sensor perceive heat?

Question form of potential verb.

人間は目に見えない光を知覚することができません。

Humans cannot perceive light that is invisible to the eye.

Relative clause: 目に見えない光.

知覚過敏専用の歯磨き粉を買いに行きました。

I went to buy toothpaste specifically for tooth sensitivity.

Compound noun: 知覚過敏専用.

心理学の授業で知覚のプロセスについて学びました。

I learned about the process of perception in my psychology class.

Uses 'について' (about).

彼は周囲の空気を敏感に知覚するタイプだ。

He is the type who sensitively perceives the surrounding atmosphere.

Uses 'タイプだ' to describe a personality.

脳がダメージを受けると、正常に知覚できなくなることがあります。

When the brain is damaged, it sometimes becomes impossible to perceive normally.

Uses '〜ことがあリます' (there are times when...).

この実験では、音の高さの変化を知覚できるか調べます。

In this experiment, we will investigate whether the change in pitch can be perceived.

Uses '〜かどうか' (whether or not) implied.

知覚した情報を整理するのに時間がかかります。

It takes time to organize the perceived information.

Noun + のに (for the purpose of/in order to).

赤ちゃんの知覚能力は、生後数ヶ月で急激に発達します。

A baby's perceptual ability develops rapidly in the first few months after birth.

Noun compound: 知覚能力.

知覚と認識の違いを明確に説明するのは難しい。

It is difficult to clearly explain the difference between perception and recognition.

Uses 'のは' to make the explanation the subject.

錯視は、脳が情報を誤って知覚することによって起こります。

Optical illusions occur because the brain perceives information incorrectly.

Uses 'によって' to indicate cause.

その微かな振動は、普通の人間には知覚され得ないものだった。

That faint vibration was something that could not be perceived by an ordinary human.

Passive potential: 知覚され得ない.

知覚の心理学的な側面を研究しています。

I am researching the psychological aspects of perception.

Adjectival noun: 心理学的な.

加齢に伴い、聴覚的な知覚が衰えるのは自然なことです。

It is natural for auditory perception to decline with age.

Uses 'に伴い' (along with/as a result of).

我々は現実をありのままに知覚しているとは限らない。

We don't necessarily perceive reality as it is.

Uses 'とは限らない' (not necessarily).

AIが人間と同レベルで物体を知覚するのは、まだ先の話だ。

It is still a long way off for AI to perceive objects at the same level as humans.

Uses 'まだ先の話だ' (it's a long way off).

知覚された世界は、個人の経験によって形作られる。

The perceived world is shaped by individual experience.

Passive voice: 知覚された.

メルロ＝ポンティは、知覚こそが世界の存在を基礎づけると説いた。

Merleau-Ponty argued that perception itself founds the existence of the world.

Uses 'こそ' for strong emphasis.

知覚の恒常性により、照明が変わっても物の色は同じに見える。

Due to perceptual constancy, the color of an object looks the same even if the lighting changes.

Technical term: 知覚の恒常性.

感覚遮断の状態では、知覚の対象を失った脳が幻覚を作り出すことがある。

In a state of sensory deprivation, the brain, having lost the objects of perception, may create hallucinations.

Complex sentence with multiple clauses.

知覚と概念の関係性は、長年哲学的な論争の的となってきた。

The relationship between perception and concept has been the target of philosophical debate for many years.

Uses '〜の的となってきた' (has been the target of).

共感覚を持つ人々は、音を色として知覚することができる。

People with synesthesia can perceive sounds as colors.

Uses 'AをBとして' (A as B).

知覚の閾値を下回る刺激は、潜在意識に影響を与えると言われている。

Stimuli below the threshold of perception are said to influence the subconscious.

Uses 'と言われている' (it is said that).

我々の知覚は、文化的な背景によって無意識のうちに条件づけられている。

Our perception is unconsciously conditioned by our cultural background.

Uses '無意識のうちに' (unconsciously).

知覚システムにおける情報の統合プロセスを解明することが、この研究の目的だ。

The purpose of this research is to elucidate the integration process of information in the perception system.

Nominalizing a long phrase with 'こと'.

現象学的な観点からすれば、知覚は単なる受動的な反映ではなく、志向的な行為である。

From a phenomenological viewpoint, perception is not a mere passive reflection but an intentional act.

Uses '〜からすれば' (from the viewpoint of).

クオリアの議論において、赤さの知覚が他者と同一であるかは証明不能である。

In the debate over qualia, it is impossible to prove whether the perception of redness is identical to that of others.

Technical term: クオリア (qualia).

超越論的知覚の統一こそが、経験の可能性の条件であるとカントは主張した。

Kant argued that the unity of transcendental apperception is the condition for the possibility of experience.

Highly formal academic Japanese.

知覚の多義性は、芸術作品における解釈の多様性を担保している。

The ambiguity of perception guarantees the diversity of interpretation in works of art.

Uses '担保している' (guarantees/secures).

神経科学の進展により、知覚の神経基盤が徐々に明らかになりつつある。

With the progress of neuroscience, the neural basis of perception is gradually becoming clear.

Uses '〜つつある' (in the process of).

知覚のゲシュタルト的性質は、部分の総和以上の全体性を我々に提示する。

The Gestalt nature of perception presents us with a wholeness that is more than the sum of its parts.

Technical term: ゲシュタルト (Gestalt).

身体性を欠いた知覚は、真の意味での世界理解をもたらし得ないのではないか。

Might it be that perception lacking embodiment cannot bring about a true understanding of the world?

Uses '〜ではないか' to pose a rhetorical question.

知覚の変容を伴う神秘体験は、言語による記述の限界を露呈させる。

Mystical experiences involving the transformation of perception expose the limits of linguistic description.

Uses '露呈させる' (to expose/reveal).

Synonymes

感覚認識察知把握

Antonymes

無感覚鈍感

Collocations courantes

知覚過敏

知覚神経

知覚心理学

視覚的知覚

知覚を失う

鋭い知覚

知覚の対象

知覚される

知覚システム

痛みの知覚

Phrases Courantes

知覚の扉

— The Doors of Perception; refers to expanding one's sensory awareness.

彼は知覚の扉を開こうとした。

知覚の限界

— The limit of what can be perceived by the senses.

人間の知覚の限界に挑む。

知覚の歪み

— Distortion of perception, such as hallucinations or illusions.

ストレスで知覚の歪みが生じる。

知覚の一致

— When multiple people perceive the same thing in the same way.

目撃者たちの知覚の一致を確認する。

知覚が麻痺する

— When one's perception becomes numb or non-functional.

あまりの寒さに知覚が麻痺した。

知覚情報を処理する

— To process sensory information in the brain.

脳が知覚情報を処理する速度。

知覚的な体験

— A perceptual experience; something felt through the senses.

これは非常に知覚的な体験だ。

知覚の正確性

— The accuracy or reliability of one's perception.

知覚の正確性をテストする。

知覚の共有

— Sharing a perception or sensory experience with others.

美しさを知覚の共有として楽しむ。

知覚の変容

— The transformation or change of how one perceives things.

薬物による知覚の変容。

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知覚 vs 近く (Chikaku)

A homophone meaning 'near'. Context and kanji are key.

知覚 vs 感覚 (Kankaku)

Raw sensation vs. cognitive perception.

知覚 vs 自覚 (Jikaku)

Self-awareness vs. sensory perception.

Expressions idiomatiques

"知覚の及ばない"

— Beyond the reach of perception; imperceptible.

それは人間の知覚の及ばない領域だ。

Formal/Literary

"五感で知覚する"

— To perceive with all five senses; to experience fully.

自然の息吹を五感で知覚する。

Literary

"知覚を研ぎ澄ます"

— To sharpen one's perception; to be highly alert.

暗闇の中で知覚を研ぎ澄ます。

Literary

"知覚の網にかかる"

— To be caught by the net of perception; to be noticed.

小さな変化が彼の知覚の網にかかった。

Metaphorical

"知覚が働く"

— For perception to function; to notice something.

危険に対して知覚が働く。

Neutral

"知覚を疑う"

— To doubt one's own perception (like 'I can't believe my eyes').

目の前の光景に、自分の知覚を疑った。

Literary

"知覚の枠組み"

— The framework of perception; the way we are conditioned to see things.

既存の知覚の枠組みを壊す。

Academic

"知覚に訴える"

— To appeal to the senses.

視覚的な知覚に訴えるデザイン。

Neutral

"知覚の焦点"

— The focus of perception; what one is currently attending to.

知覚の焦点を音に合わせる。

Scientific

"知覚を閉ざす"

— To close off one's perception; to ignore external stimuli.

彼は外部からの知覚を閉ざした。

Literary

Facile à confondre

知覚 vs 感覚 (Kankaku)

Both relate to sensing things.

感覚 is the raw physical feeling (e.g., 'I feel cold'). 知覚 is the brain's interpretation of that feeling (e.g., 'I perceive that the temperature has dropped').

感覚が鋭い (Sharp senses) vs. 知覚能力 (Perceptual ability).

知覚 vs 認識 (Ninshiki)

Both involve awareness.

知覚 is limited to sensory input. 認識 is broader and includes understanding facts, situations, and identities.

物体を知覚する (To perceive an object) vs. 状況を認識する (To recognize the situation).

知覚 vs 自覚 (Jikaku)

They share the second kanji.

自覚 is 'self-awareness' or 'consciousness of one's own state'. 知覚 is 'perception of external stimuli'.

自分の責任を自覚する (To be aware of one's responsibility) vs. 痛みを知覚する (To perceive pain).

知覚 vs 認知 (Ninchi)

Both are academic terms for sensing/knowing.

認知 (Cognition) is a higher-level mental process including memory and judgment. 知覚 is the immediate sensory stage.

認知症 (Dementia) vs. 知覚過敏 (Sensitive teeth).

知覚 vs 察知 (Sacchi)

Both mean 'to sense'.

察知 implies an active, often intuitive detection of something hidden or subtle. 知覚 is more passive and biological.

危険を察知する (To sense danger) vs. 音を知覚する (To perceive a sound).

Structures de phrases

[Noun] を知覚する

光を知覚する。

[Noun] は知覚できない

その音は知覚できない。

[Noun] が知覚される

振動が知覚される。

知覚の [Noun]

知覚のプロセス。

知覚的な [Noun]

知覚的な歪み。

[Noun] を通じて知覚する

五感を通じて知覚する。

知覚の [Noun] 性

知覚の恒常性。

[Noun] における知覚

芸術における知覚。

Famille de mots

Noms

知覚 (Perception)

自覚 (Self-awareness)

視覚 (Vision)

聴覚 (Hearing)

触覚 (Touch)

味覚 (Taste)

嗅覚 (Smell)

Verbes

知覚する (To perceive)

自覚する (To be self-aware)

覚える (To remember/learn)

Adjectifs

知覚的な (Perceptual)

Apparenté

感覚 (Sensation)

認識 (Recognition)

意識 (Consciousness)

神経 (Nerve)

刺激 (Stimulus)

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Comment l'utiliser

frequency

High in specific domains (Medicine, Psychology, Tech), Low in daily conversation.

Erreurs courantes

Using 知覚 to mean 'I think...' or 'My perception of the person is...' → 私のあの人に対する印象は... (My impression of that person is...)
知覚 is only for sensory perception (sight, sound, etc.), not for social impressions or opinions.
Writing 近く when you mean 知覚. → 知覚の実験 (Perception experiment)
近く means 'nearby'. This is a common kanji error because they are homophones.
Using 知覚 for a gut feeling or intuition. → 直感でそう思った。 (I thought so by intuition.)
知覚 is for data coming from the five senses, not for internal 'feelings' or intuition.
Saying '知覚がある' to mean 'I have a feeling'. → 感覚がある (I have a sensation) or 気がする (I have a feeling).
知覚 is usually used with 'する' or as part of a compound noun. '感覚がある' is more natural for physical sensations.
Using 知覚 as a casual verb like 'notice'. → 友達に気づいた。 (I noticed my friend.)
知覚する sounds like a scientific observation. Use 気づく for daily life noticing.

Astuces

Think Scientific

Whenever you use '知覚', imagine you are a scientist or a doctor. This will help you use it in the right formal context. If it feels too technical, you should probably use '気づく' or '感じる' instead.

Master the 'Kaku'

The kanji '覚' is very common. It means 'to wake up' or 'to perceive'. You see it in '覚える' (to remember) and '目覚まし時計' (alarm clock). Linking '知覚' to the idea of 'waking up to knowledge' makes it easier to remember.

Context is King

Since '知覚' and '近く' sound the same, listen for the particles. '知覚を' or '知覚が' almost always refers to perception, while '近くの' or '近くに' refers to location. This is a quick way to distinguish them.

Dentist Vocabulary

If you live in Japan, memorize '知覚過敏' (chikaku kabin). It's the standard term for sensitive teeth and will be very useful at the dentist or pharmacy. You'll see it on many toothpaste brands.

Don't Overuse

Advanced learners often use '知覚' too much because they want to sound smart. Remember that '感覚' is much more common for general 'feelings'. Use '知覚' only when the focus is on the biological/cognitive process.

Suru-Verb Mastery

Remember '知覚する' is a transitive verb, so it takes the particle 'を'. Example: '光を(wo)知覚する'. However, in the passive, it uses 'が'. Example: '光が(ga)知覚される'.

Study the Five Senses

Learning '知覚' is a great opportunity to learn the kanji for the five senses: 視 (vision), 聴 (hearing), 触 (touch), 味 (taste), and 嗅 (smell). They all end in '覚'.

Academic Tone

In essays, '知覚' is a great word to use when discussing human behavior or interaction with technology. It elevates your writing from 'basic' to 'academic'.

The 'Chi' of Knowledge

Associate '知' (knowledge) with the 'Chi' in '知覚'. Perception is the first step to 'knowing' the world. Without perception, there is no knowledge.

Robotics Context

If you are interested in tech, look for '知覚' in articles about self-driving cars. It's the standard term for how the car 'sees' the road using cameras and Lidar.

Mémorise-le

Moyen mnémotechnique

Think of 'Chi' as 'Knowledge' (like in 'chi-shiki') and 'Kaku' as 'Awake' (like 'me-zameru'). To have '知覚' (perception), you must have the 'knowledge' of being 'awake' to your senses.

Association visuelle

Imagine a brain (knowledge/知) with an eye opening inside it (awakening/覚). This is the process of perception.

Word Web

知 (Know) 覚 (Wake) 脳 (Brain) 五感 (5 Senses) 刺激 (Stimulus) 心理学 (Psychology) 過敏 (Sensitive) 現実 (Reality)

Défi

Try to find three things in your room right now and describe them using '知覚する'. For example, 'I perceive the smell of coffee' (コーヒーの匂いを知覚する).

Origine du mot

Borrowed from Middle Chinese. The kanji 知 (chi) means 'to know' or 'knowledge'. The kanji 覚 (kaku) means 'to wake up', 'to perceive', or 'to remember'. Together, they formed a term used in Buddhist texts to describe spiritual awakening or awareness, which later evolved into the modern psychological term for perception.

Sens originel : To know and be awake to one's surroundings; spiritual awareness.

Sino-Japanese (Kango)

Contexte culturel

Be careful when using '知覚' in a medical context; it can imply a serious neurological condition or abnormality if used incorrectly.

English speakers use 'perception' for opinions. Japanese speakers do NOT use '知覚' for opinions.

The Doors of Perception (知覚の扉) by Aldous Huxley (translated title). Phenomenology of Perception (知覚の現象学) by Maurice Merleau-Ponty. Shumitect commercials (famous for the phrase '知覚過敏').

Pratique dans la vie réelle

Contextes réels

Medical/Dental

知覚過敏
知覚検査
知覚麻痺
知覚異常

Psychology/Science

知覚心理学
知覚の発達
知覚の恒常性
感覚と知覚

Technology/AI

物体知覚
知覚システム
センサーによる知覚
視覚的知覚

Philosophy

知覚の対象
知覚の主観性
純粋知覚
知覚の現象学

Daily Life (Specific)

知覚過敏用ハミガキ
わずかな変化を知覚する
痛みの知覚
危険の知覚

Amorces de conversation

"知覚心理学について何か知っていますか？ (Do you know anything about perceptual psychology?)"

"最近、知覚過敏で歯が痛いんです。 (Lately, my teeth hurt due to sensitivity.)"

"人間とAIの知覚には、どのような違いがあると思いますか？ (What differences do you think exist between human and AI perception?)"

"あなたは周囲の音を敏感に知覚する方ですか？ (Are you someone who sensitively perceives surrounding sounds?)"

"錯視の画像を見ると、知覚の不思議を感じますね。 (Looking at optical illusions makes me feel the wonder of perception, doesn't it?)"

Sujets d'écriture

今日、あなたの五感（知覚）が捉えた最も印象的なものは何ですか？ (What was the most impressive thing your five senses perceived today?)

「知覚」と「認識」の違いについて、自分の言葉で説明してみましょう。 (Try to explain the difference between 'perception' and 'recognition' in your own words.)

もし一つの知覚（例えば視覚）を失ったら、あなたの生活はどう変わると思いますか？ (If you lost one perception, like vision, how do you think your life would change?)

知覚過敏のように、何かが「敏感すぎる」と感じた経験はありますか？ (Have you ever had an experience where you felt something was 'too sensitive', like tooth sensitivity?)

自分の知覚が信じられなくなった瞬間について書いてください。 (Write about a moment when you could no longer trust your own perception.)

Questions fréquentes

10 questions

No. In Japanese, '知覚' is strictly about sensory and biological perception. For 'opinion' or 'viewpoint', you should use '見解' (kenkai) or '考え' (kangae). Using '知覚' for an opinion will sound very strange.

You say '知覚過敏' (chikaku kabin). This is the most common way ordinary people use the word '知覚' in daily life. You will see it on toothpaste boxes for sensitive teeth.

Not really. It is a formal, scientific word. In daily life, people usually say '気づく' (kizuku - to notice) or '感じる' (kanjiru - to feel). You only use '知覚' when you want to sound technical or when talking about medical issues.

'感覚' (kankaku) is the raw sensation, like the physical feeling of your skin touching something. '知覚' (chikaku) is the brain's process of identifying that sensation as a specific object or event. '感覚' is the input, '知覚' is the interpretation.

Yes! In the field of robotics and AI, '知覚' is used to describe how machines use sensors to 'perceive' their environment, just like humans do. For example, '視覚的知覚' (visual perception) in computer vision.

It is pronounced 'chi-ka-ku'. The pitch is usually flat (Heiban). Be careful not to confuse it with '近く' (chi-ka-ku), which means 'nearby', although they sound the same. The context will tell you which one it is.

Yes, it is often found in the N2 and N1 levels, and sometimes N3. It appears in reading passages about science, psychology, or health. Knowing this word is very helpful for advanced learners.

Yes, it is a suru-verb. You can say '知覚する' (to perceive). It is formal and often used in written reports or academic contexts.

They are called '五感' (gokan). They consist of 視覚 (vision), 聴覚 (hearing), 触覚 (touch), 味覚 (taste), and 嗅覚 (smell). All of these are types of '知覚'.

Yes, the famous book 'The Doors of Perception' by Aldous Huxley is translated as '知覚の扉' (Chikaku no Tobira). Also, 'Phenomenology of Perception' by Merleau-Ponty is '知覚の現象学'.

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