Study Investigates Whether Bumblebees Experience Emotions

研究探討大黃蜂是否具有情緒


Introduction

Researchers have carried out a series of experiments to find out if bumblebees have internal emotional states, specifically the ability to like or dislike certain things.

研究人員進行了一系列實驗,以確定大黃蜂是否具有內在的情緒狀態,特別是喜歡或厭惡某些事物的能力。

Main Body

The study, a collaboration between Macquarie University and Southern Medical University, used high-quality video to analyze how buff-tailed bumblebees reacted to different chemical liquids. The researchers noticed that when bees tasted sugar water, they extended their tongues, which indicated a positive feeling. In contrast, they shook their heads and wiped their mouths when they tasted salt or quinine. To make sure these were not just automatic reflexes, the team changed the conditions. For example, when bees were dehydrated due to heat stress, they reacted positively to salty solutions that they usually disliked. This suggests that a bee's internal physical needs change how it evaluates external stimuli.

這項研究由麥覺禮大學與南方醫科大學合作,利用高品質影片分析大黃蜂對不同化學液體的反應。研究人員發現,當蜜蜂品嚐糖水時,牠們會伸出舌頭,這顯示出正面感受。相反地,當品嚐到鹽或奎寧時,牠們會搖頭並擦拭口部。為了確保這些並非僅是自動反射,團隊改變了實驗條件。例如,當蜜蜂因熱壓力而脫水時,牠們對平時厭惡的鹽溶液反而產生正面反應。這表明蜜蜂的內在生理需求會改變其對外部刺激的評估。

Furthermore, the team used different chemicals to see the difference between 'wanting' something and 'liking' it. They found that dopamine, which usually drives motivation in mammals, did not increase the positive tongue responses. However, endocannabinoids, which are linked to the pleasure of a reward, did increase these responses. This difference suggests that the drive to get a resource is separate from the pleasure gained from it. While some experts, such as Ralph Adolphs, argue that these are 'bee emotions' rather than human-like emotions, the findings support a growing scientific view that insects are sentient rather than just robotic machines.

此外,團隊使用不同的化學物質來區分「想要」某物與「喜歡」某物之間的差異。他們發現多巴胺(通常驅動哺乳動物的動力)並未增加正面的伸舌反應。然而,與獎勵快感相關的內源性大麻素確實增加了這些反應。這種差異表明,獲取資源的驅動力與從中獲得的快感是分開的。雖然有些專家(如 Ralph Adolphs)認為這些是「蜜蜂情緒」而非類人情緒,但研究結果支持了日益增長的科學觀點,即昆蟲具有感知能力,而非僅僅是機械化的機器。

Conclusion

The study shows that bumblebees have flexible responses based on their situation, which suggests they have their own internal subjective experiences.

研究顯示大黃蜂會根據情況做出靈活反應,這表明牠們具有自己的內在主觀體驗。

Vocabulary Learning

🐝 Moving Beyond 'Like' and 'Dislike'

At the A2 level, you probably say: "The bee likes sugar" or "The bee doesn't like salt." This is correct, but to reach B2, you need to describe how and why things happen using more precise connections.

⚡ The Power of "Rather Than"

Look at this sentence from the text:

"...insects are sentient rather than just robotic machines."

Why this is a B2 move: Instead of using two separate sentences ("They are not robots. They are sentient."), "rather than" allows you to contrast two ideas in one smooth motion. It shows you are comparing and correcting a misconception.

Try this logic:

  • A2: I want to study English. I don't want to just memorize words.
  • B2: I want to actually communicate rather than just memorize words.

🛠️ Switching to "Flexible" Language

In the text, the author uses the word "flexible responses."

In A2, we often use "change" (e.g., "The response changes"). But in B2, we describe the nature of the change.

  • Automatic \rightarrow Fixed, robotic, no choice.
  • Flexible \rightarrow Changes based on the situation (e.g., the bee likes salt only when it is dehydrated).

🔍 Precision Vocabulary: "Internal" vs "External"

To sound more professional, stop using "inside" and "outside" for everything. Use these pairs to describe complex ideas:

A2 ConceptB2 Academic TermExample from Article
Inside feelingsInternal states"...internal emotional states"
Outside thingsExternal stimuli"...evaluates external stimuli"

Coach's Tip: Start replacing "the things around us" with "external stimuli" when talking about science or psychology to immediately elevate your perceived level.

Vocabulary Learning

collaboration (n.)
The action of working with someone or another organization to achieve a shared goal.
Example:The new medical breakthrough was the result of a close collaboration between two universities.
indicated (v.)
Showed or pointed out a particular state, condition, or piece of information.
Example:The sudden drop in temperature indicated that a storm was approaching.
reflexes (n.)
Automatic and rapid responses to a stimulus, occurring without conscious thought.
Example:A goalkeeper needs quick reflexes to stop a fast-moving ball.
dehydrated (adj.)
Suffering from an excessive loss of water from the body.
Example:If you don't drink enough water during a long hike, you will become dehydrated.
evaluates (v.)
To judge or calculate the quality, importance, amount, or value of something.
Example:The company evaluates the performance of its employees every six months.
stimuli (n.)
Things that evoke a specific functional reaction in an organ or tissue.
Example:Plants respond to external stimuli, such as sunlight and gravity.
sentient (adj.)
Able to perceive or feel things.
Example:Many animal rights activists argue that all sentient beings deserve legal protection.
subjective (adj.)
Based on or relating to personal opinions, feelings, or tastes rather than facts.
Example:Whether a painting is beautiful or not is a purely subjective judgment.
Practice B2 words in a crossword