Computers and the Human Brain

A2

Computers and the Human Brain

電腦與人類大腦


Introduction

Scientists now make tools that connect the brain to computers. These tools are now in hospitals in China.

科學家目前正在開發能將大腦連接至電腦的工具。這些工具現在已在中國的醫院中使用。

Main Body

China has a new tool called NEO. It is safer than other tools because it does not go deep into the brain. China wants to be the best in this business by 2030.

中國有一款名為 NEO 的新工具。由於它不會深入進入大腦,因此比其他工具更安全。中國希望在 2030 年前成為該行業的領先者。

Some people use these tools to talk. For example, a man named Casey uses a tool to work and send messages. Now, about 150 people have these tools in their heads.

有些人使用這些工具來溝通。例如,一名叫 Casey 的男子使用該工具來工作和發送訊息。目前約有 150 人在腦中植入了這些工具。

But these tools have problems. Hackers can steal private brain information. Also, some tools stop working after a long time. Doctors do not know why this happens.

但這些工具存在問題。駭客可能會竊取大腦的私隱資訊。此外,部分工具在長時間使用後會停止運作,醫生並不清楚原因。

Conclusion

These tools help many sick people. However, they still have problems with safety and time.

這些工具幫助了許多病人。然而,它們在安全性與耐用性方面仍存在問題。

Vocabulary Learning

⚡ The 'Comparing' Trick

In this text, we see a very useful way to say one thing is 'more' than another. This is a key skill for A2 English.

The Pattern: Safer \rightarrow (Safe + er)

How it works: When we have a short word, we add -er to the end to compare two things.

  • Safe \rightarrow Safer
  • Fast \rightarrow Faster
  • Small \rightarrow Smaller

Example from text: "It is safer than other tools."

Quick Rule: Always use the word than after the comparison word to connect the two things you are talking about.

Simple Practice List:

  • This phone is cheaper than that one.
  • The brain is smaller than a computer.
  • Today is colder than yesterday.

Vocabulary Learning

connect (v.)
To join two or more things together
Example:I use a cable to connect my laptop to the monitor.
safer (adj.)
Less dangerous than something else
Example:Wearing a seatbelt is safer when you drive a car.
messages (n.)
Short pieces of information sent from one person to another
Example:I send text messages to my friends every day.
hackers (n.)
People who use computers to get secret information illegally
Example:Hackers tried to steal money from the bank's computer.
private (adj.)
Only for one person or group; not for everyone to see
Example:My diary is private, so please do not read it.
B2

The Growth and Commercial Use of Brain-Computer Interface Technology

腦機介面技術的發展與商業應用


Introduction

Recent progress in neurotechnology has moved brain-computer interfaces (BCIs) from experimental research to approved medical use, particularly within the Chinese healthcare system.

神經科技最近的進展,已將腦機介面(BCIs)從實驗研究轉向核准的醫療用途,特別是在中國的醫療體系中。

Main Body

The official approval of the NEO interface, created by Tsinghua University and Neuracle Technology, shows a clear move toward selling BCIs in China. Unlike the invasive methods used by Neuralink, the NEO device uses electrodes placed on the brain's outer membrane, which reduces the risk of bleeding or tissue damage. This development supports China's national goal to build a world-leading BCI industry by 2030.

由清華大學與 Neuracle Technology 開發的 NEO 介面獲得官方批准,顯示出中國在銷售 BCI 方面有明確的趨勢。與 Neuralink 採用的侵入式方法不同,NEO 設備將電極放置在腦部的外膜上,這降低了出血或組織受損的風險。這一發展支持了中國在 2030 年前建立世界領先 BCI 產業的國家目標。

At the same time, university and private trials have expanded what BCIs can actually do. For example, the BrainGate group has moved beyond simple cursor control to decoding speech sounds. This is seen in the case of Casey Harrell, whose implant allows him to communicate digitally and work professionally. Currently, it is estimated that about 150 people have received implants, using a variety of systems from wireless devices to external electrode caps.

與此同時,大學與私人試驗擴展了 BCI 實際能實現的功能。例如,BrainGate 小組已從簡單的游標控制進展到解碼語音。Casey Harrell 的案例即是如此,他的植入物讓他能以數位方式溝通並進行專業工作。目前估計約有 150 人接受了植入,使用的系統涵蓋了從無線設備到外部電極帽的各種形式。

However, using these interfaces also creates serious risks. Converting brain activity into digital commands requires strict data rules to prevent the theft of private biological information. Furthermore, cybersecurity attacks on devices that control prosthetic limbs could directly threaten patient safety. There is also a lack of long-term data on how long these devices last, especially for patients with ALS, where some interfaces have stopped working for unknown reasons.

然而,使用這些介面也帶來了嚴重風險。將大腦活動轉化為數位指令需要嚴格的數據規範,以防止私人生物資訊被盜。此外,針對控制義肢設備的網路攻擊可能會直接威脅患者安全。目前也缺乏關於這些設備耐用性的長期數據,特別是對 ALS 患者而言,部分介面在原因不明的情況下停止運作。

Conclusion

BCI technology is moving from a small research phase to wider medical use, balancing its great potential to help patients against unsolved security and durability problems.

BCI 技術正從小規模的研究階段轉向更廣泛的醫療用途,在幫助患者的巨大潛力與尚未解決的安全及耐用性問題之間取得平衡。

Vocabulary Learning

🚀 The B2 Jump: From 'Simple' to 'Sophisticated' Description

At the A2 level, you describe things using basic adjectives (e.g., "The device is safe"). To reach B2, you must describe processes and transitions.

Look at this phrase from the text:

"...moved brain-computer interfaces (BCIs) from experimental research to approved medical use"

The Magic Formula: From [Point A] to [Point B] Instead of saying "It was research, now it is medical," B2 speakers use the From X to Y structure to show a journey or a change in status. This makes you sound professional and precise.

Analyze the Upgrade:

  • A2 Style: BCIs were for research. Now they are for medicine.
  • B2 Style: BCIs have moved from experimental research to approved medical use.

🧠 Linguistic Tool: The 'Contrastive' Connector

Notice how the author separates two different technologies?

"Unlike the invasive methods used by Neuralink, the NEO device uses..."

Why this is a B2 move: Using "Unlike [Noun], [Subject]..." allows you to compare two things in one single, elegant sentence. It is much more advanced than using "but" or "however" in the middle of a sentence.

Try replacing these A2 patterns in your head:

  • Neuralink is invasive, but NEO is not.
  • Unlike Neuralink, NEO is non-invasive.

🛠️ Vocabulary Expansion: 'The Weight' of Words

To bridge the gap to B2, stop using general verbs like "do" or "get." Look at how the text describes technical actions:

A2 Word (Basic)B2 Word (Precise)Context from Text
ChangeConvert"Converting brain activity into digital commands"
UnderstandDecode"...decoding speech sounds"
StopPrevent"...to prevent the theft of private information"

Pro Tip: When you write, ask yourself: "Is there a more specific verb for this action?" That is the fastest way to move your grade from A2 to B2.

Vocabulary Learning

invasive (adj.)
Requiring the entry of a surgical instrument or needle into the body.
Example:The doctors decided to avoid invasive surgery to reduce the risk of infection.
decoding (v.)
Converting a coded message or signal into a form that can be understood.
Example:The software is capable of decoding complex brain signals into written text.
estimated (v./adj.)
Roughly calculated or judged the value, number, or quantity of something.
Example:It is estimated that the project will take six months to complete.
prosthetic (adj.)
Relating to an artificial body part, such as a limb, used to replace a missing one.
Example:The athlete used a high-tech prosthetic leg to compete in the race.
durability (n.)
The ability of a material or object to withstand wear, pressure, or damage over time.
Example:The company tested the durability of the new device by dropping it several times.
C2

The Commercialization and Proliferation of Brain-Computer Interface Technology

腦機介面技術的商業化與普及化


Introduction

Recent developments in neurotechnology have seen the transition of brain-computer interfaces (BCIs) from experimental research to approved medical application, specifically within the Chinese healthcare sector.

近期神經技術的發展,使腦機介面(BCI)從實驗研究轉型為獲批的醫療應用,特別是在中國的醫療衛生領域。

Main Body

The regulatory approval of the NEO interface, developed by Tsinghua University and Neuracle Technology, signifies a strategic shift toward the commercialization of BCIs in China. Unlike the invasive cortical threads utilized by Neuralink, the NEO device employs electrodes positioned on the dura mater, thereby reducing the risk of hemorrhage or tissue trauma. This development aligns with broader national strategic objectives to establish a globally competitive BCI industry by 2030.

由清華大學與 Neuracle Technology 研發的 NEO 介面獲得監管批准,標誌著中國 BCI 商業化的一次策略性轉型。與 Neuralink 使用的侵入式皮層線路不同,NEO 裝置將電極安置在硬腦膜上,從而降低了出血或組織創傷的風險。這一發展符合國家更廣泛的策略目標,即在 2030 年前建立一個具有全球競爭力的 BCI 產業。

Parallel to these institutional advancements, academic and private sector trials have expanded the functional utility of BCIs. The BrainGate consortium, including researchers at the University of California, Davis, has transitioned from 'point-and-click' cursor control to the decoding of speech phonemes. This is exemplified by the case of Casey Harrell, whose implant facilitates digital communication and professional activity. Current estimates suggest the population of implanted individuals has increased to approximately 150, with diverse modalities ranging from fully implanted wireless systems to external electrode caps.

與這些機構進展平行,學術界與私營部門的試驗擴展了 BCI 的功能用途。包括加州大學戴維斯分校研究員在內的 BrainGate 聯盟,已從「點擊」游標控制轉向解碼語言音素。Casey Harrell 的案例即是一個例子,其植入物協助其實現數位通訊與專業活動。目前估計,植入裝置的人數已增加至約 150 人,形式多樣,涵蓋全植入無線系統至外部電極帽。

Despite clinical utility, the integration of neural interfaces introduces significant systemic risks. The conversion of neural activity into digital commands necessitates rigorous data governance to prevent the unauthorized acquisition of sensitive biological information. Furthermore, the potential for cybersecurity breaches in devices controlling prosthetic or mobility equipment poses direct threats to patient safety. There remains a critical lack of longitudinal data regarding device longevity, particularly in patients with Amyotrophic Lateral Sclerosis (ALS), where some interfaces have ceased to function for undetermined reasons.

儘管具有臨床用途,但神經介面的整合引入了顯著的系統性風險。將神經活動轉換為數位指令需要嚴格的數據治理,以防止敏感生物資訊被擅自獲取。此外,控制義肢或移動設備的裝置若出現網路安全漏洞,將對患者安全構成直接威脅。目前仍嚴重缺乏關於設備壽命的縱向數據,特別是對患有肌萎縮側索硬化症(ALS)的患者,部分介面在原因不明的情況下停止運作。

Conclusion

BCI technology is currently transitioning from a limited research phase to a broader clinical application, balancing significant therapeutic potential against unresolved security and durability concerns.

BCI 技術目前正從有限的研究階段轉向更廣泛的臨床應用,在巨大的治療潛力與尚未解決的安全及耐用性問題之間取得平衡。

Vocabulary Learning

The Architecture of Nominalization & Conceptual Density

To move from B2 (Upper Intermediate) to C2 (Proficiency), a student must shift from describing actions to constructing concepts. This text is a masterclass in Nominalization—the process of turning verbs (actions) or adjectives (qualities) into nouns. This transforms a narrative into a formal academic discourse.

⚡ The 'C2 Pivot': From Action to State

Observe how the author avoids simple subject-verb-object patterns to create "conceptual density."

  • B2 Level (Action-oriented): The government wants to make the BCI industry competitive globally by 2030.
  • C2 Level (Nominalized): *"This development aligns with broader national strategic objectives to establish a globally competitive BCI industry..."

Analysis: The B2 version focuses on the actor (the government) and the action (wanting). The C2 version replaces the action with a noun phrase ("national strategic objectives"). This removes the subjective agent and focuses on the institutional goal, a hallmark of high-level academic writing.

🔍 Linguistic Deconstruction: Precision Lexis

Beyond nominalization, C2 mastery requires "Precise Collocations." Note the synergy between these adjectives and nouns:

Systemic risks\text{Systemic risks} \rightarrow Not just 'big problems,' but risks inherent to the entire structure. Longitudinal data\text{Longitudinal data} \rightarrow Not 'long-term information,' but data gathered over a specific sequence of time for scientific validity. Functional utility\text{Functional utility} \rightarrow The specific capacity of a tool to be used for a practical purpose.

🛠️ Synthesis: The Logic of Connectivity

Notice the use of Adverbial Transitions to pivot the argument without losing momentum:

  • "Parallel to these institutional advancements..." \rightarrow This creates a spatial metaphor, signaling that while the first point (government) is true, a second, simultaneous point (academia) is emerging. It is far more sophisticated than using "Also" or "In addition."
  • "Despite clinical utility..." \rightarrow This creates a concessive clause that immediately balances a positive attribute against a negative risk, allowing the author to maintain an objective, scholarly tone.

Vocabulary Learning

proliferation (n.)
The rapid increase in the number or amount of something.
Example:The proliferation of smartphones has fundamentally changed how humans consume information.
hemorrhage (n.)
An escape of blood from a ruptured blood vessel, especially when profuse.
Example:The surgeon worked quickly to stop the internal hemorrhage caused by the trauma.
phonemes (n.)
The smallest distinct units of sound in a language that distinguish one word from another.
Example:Linguists analyze phonemes to understand the phonetic structure of a dialect.
modalities (n.)
Particular modes in which something exists, occurs, or is experienced; in medicine, a method of treatment or diagnostic procedure.
Example:The clinic offers various therapeutic modalities, including physical therapy and acupuncture.
longitudinal (adj.)
Relating to a study that observes the same variables over a long period of time.
Example:Longitudinal data are essential for understanding the long-term effects of the new medication.
Practice All words in a crossword