ヤマザワケンタ

プロモーション設計 | 1988年生

[Ihtesham Ali @ihtesham2005]

A Norwegian neuroscientist spent 20 years proving that the act of writing by hand changes the human brain in ways typing physically cannot, and almost nobody outside her field has read the paper.

Her name is Audrey van der Meer.

She runs a brain research lab in Trondheim, and the paper that closed the argument was published in 2024 in a journal called Frontiers in Psychology. The finding is brutal enough that it should have changed every classroom on Earth.

The experiment was simple. She recruited 36 university students and put each one in a cap with 256 sensors pressed against their scalp to record brain activity. Words flashed on a screen one at a time.

Sometimes the students wrote the word by hand on a touchscreen using a digital pen, and sometimes they typed the same word on a keyboard. Every neural response was recorded for the full five seconds the word stayed on screen.

Then her team looked at the part of the data most researchers had ignored for years, which is how different parts of the brain were communicating with each other during the task.

When the students wrote by hand, the brain lit up everywhere at once.

The regions responsible for memory, sensory integration, and the encoding of new information were all firing together in a coordinated pattern that spread across the entire cortex. The whole network was awake and connected.

When the same students typed the same word, that pattern collapsed almost completely.

Most of the brain went quiet, and the connections between regions that had been alive seconds earlier were nowhere to be found on the EEG.

Same word, same brain, same person, and two completely different neurological events.

The reason turned out to be something nobody had really paid attention to before her work. Writing by hand is not one motion but a sequence of thousands of tiny micro-movements coordinated with your eyes in real time, where each letter is a different shape that requires the brain to solve a slightly different spatial problem.

Your fingers, wrist, vision, and the parts of your brain that track position in space are all working together to produce one letter, then the next, then the next.

Typing throws all of that away. Every key on a keyboard requires the exact same finger motion regardless of which letter you are pressing, which means the brain has almost nothing to integrate and almost no problem to solve.

Van der Meer said it plainly in her interviews.

Pressing the same key with the same finger over and over does not stimulate the brain in any meaningful way, and she pointed out something that should scare every parent who handed their kid an iPad.

Children who learn to read and write on tablets often cannot tell letters like b and d apart, because they have never physically felt with their bodies what it takes to actually produce those letters on a page.

A decade before her, two researchers at Princeton ran the same fight using a completely different method and ended up at the same answer. Pam Mueller and Daniel Oppenheimer tested 327 students across three experiments, where half took notes on laptops with the internet disabled and half took notes by hand, before testing everyone on what they actually understood from the lectures they had watched.

The handwriting group won by a wide margin on every question that required real understanding rather than surface recall.

The reason was hiding in the transcripts of what the two groups had actually written down.

The laptop students typed almost word for word, capturing more total content but processing almost none of it as they went, while the handwriting students physically could not write fast enough to transcribe a lecture in real time, which forced them to listen carefully, decide what actually mattered, and put it in their own words on the page.

That single act of choosing what to keep was the learning itself, and the keyboard had quietly skipped the choosing and skipped the learning along with it.

Two studies. Two countries. Same answer.

Handwriting makes the brain work. Typing lets it coast.

Every note you have ever typed instead of written went into your brain through a thinner pipe. Every meeting, every book highlight, every idea you captured on your phone instead of on paper was processed at half depth.

You did not forget those things because your memory is bad. You forgot them because typing never woke the part of the brain that would have made them stick.

The fix is the thing your grandmother already knew.

Pick up a pen. Write the thing down. The slower road is the faster one.

[ヤマザワケンタ @YMac02]

【MEMO】めちゃおもしろ記事

https://t.co/PoBRd7uR0j

敗者の脳は語る— マウス社会の「負けグセ」をつくるスイッチを発見! 脳から特定の部位を取り除くと…

[福豆 @tasari3025]

もし津波が来なくても、大したことなくても気象庁を責めないで欲しい。
時間に余裕を持って警報が出ることはとてもありがたい。
東日本大震災の時は全てが間に合わなかったから。

[Apple Music Japan @AppleMusicJapan]

Fla$hBackSから始まり、
ビートメイカーとしてもラッパーとしても更なる高みを極めた、
ジャパニーズヒップホップの至宝、JJJ。

ジャンルを越えて支持されてきたその軌跡は、
いまも唯一無二の存在感を放ち続けている。

https://t.co/ZPMvggXd3z

@__j_j_j__

[ヤマザワケンタ @YMac02]

君が摘んだクローバーは四つ葉 それで幸せになれるならば 幾夜も見た夢よさらば 殺伐とした明日に向け吐く唾 それは迷いの森を駆け巡る長い旅 錆び付いた生物の脳、徐々に麻痺 朝が来なくとも信じたい 空は青い　俺たちは強い / 100万光年のやさしさが注がれる限り
https://t.co/sJlH7Qr0VK

[ヤマザワケンタ @YMac02]

【MEMO】心に触れるには

[Yayoi W. @YayoiOkamann]

今日ヤマト運輸さんが有り難過ぎて、千円をこれチップですとお渡ししたら、そんなんそんなん!!!🖐️ってなかなか受け取ってくれなかった。
いやいや、ほんっとうに有り難くて、お茶でも飲んで下さいって押し付けた。😄
多分めちゃくちゃビックリされてた。

[倉本圭造@新刊発売中です！ @keizokuramoto]

上記要約ポストで紹介した、神宮外苑再開発に関しての、両極端な意見を離れたまとめについてや、どうすれば日本がちゃんと「議論」ができる国になるのか？という提言は以下リンクからお読みください。
https://t.co/ZrrKAytX22

[エルサbot @notcoldorcold]

正直に言うわ、暑いわ

[すきえんてぃあ@書け @cicada3301_kig]

公開されたばかりの最新AIサービスが作ったファッションショーの映像

[ヤマザワケンタ @YMac02]

最近個人的にいかに服を集めるかじゃなくて、組み合わせを覚えるかという趣味ハマり中 #誰得

[ヤマザワケンタ @YMac02]

sacaiの春夏ルックすこ。コーデのタイプ多い

[FASHIONSNAP @fashionsnap]

ファミリーマートがコンビニ業界初のファッションショー開催

[ヤマザワケンタ @YMac02]

練習論が明確に理論立ってて、いろんな物事に応用効きそう。

>バスケットボールはバスケットボールであり、コーチングとは人間との関係性を築くことに変わりはありませんから。

#Yahooニュース
https://t.co/del8WjYjsD

[奥山和由 Okuyama Kazuyoshi @teamokuyama2017]

「福田村事件」
あったことをなかったことにする傾向が強くなっている今、この映画の成立は希望の光だと思う。

[ヤマザワケンタ @YMac02]

【MEMO】https://t.co/pwNHEHx2Hr

1時間前江守正多📷 東京大学未来ビジョン研究センター教授/国立環境研究所

「補足世界平均の海面は、1900年から既に20cm程度上昇しており、今世紀中に最低でも50cmまで、最悪の場合は2m近くまで上昇すると予測されています。

この原因は、人間活動起源の温室効果ガスの増加による地球温暖化の結果、海水が熱膨張し、陸上の氷が減少したことであることは間違いありません。 ツバルなどの小さな島国に住む人々は、先進国や新興国に比べて温室効果ガスをほとんど排出しておらず、原因に責任が無いにもかかわらず、国家の存亡の危機を迎えています。

もしも、日本人に何も責任が無い理由で（他国の行動が原因で）日本が消滅すると宣告されたら、日本人はどういう気持ちになるでしょうか。それが実際に起きているのが、小さな島国の人々です。

バヌアツやツバルは国連において「化石燃料不拡散条約」を提唱しています。世界が脱炭素化を目指すのは、彼らにとってだけでなく、人類全体にとっての気候危機を食い止めるためです。」

[ヤマザワケンタ @YMac02]

こういう時代がすぐそこまで来てるよね。他人事に思えない。

熱波で45℃近く 印で100人超死亡
#Yahooニュース
https://t.co/ytBlb3Zs8O

[ヤマザワケンタ @YMac02]

FISH🐟

[ヤマザワケンタ @YMac02]

沖縄のこの建物の感じ好き