أَعُوذُ بِاللّٰهِ مِنَ الشَّيْطَانِ الرَّجِيمِ

بِسۡمِ ٱللهِ ٱلرَّحۡمَـٰنِ ٱلرَّحِيمِ

In the name of ALLAH, the Most Gracious, the Most Merciful

Paper Notebooks vs. Mobile Devices

Paper Notebooks vs. Mobile Devices: Brain Activation Differences During Memory Retrieval

By Keita Umejima, Takuya Ibaraki, Takahiro Yamazaki, Kuniyoshi L Sakai

The properties of human memory have been investigated with several approaches, including clinical, psychological, and neuroimaging studies. A recent behavioral study showed that students who took longhand notes performed better on conceptual questions than those who took notes on laptop computers (Mueller and Oppenheimer, 2014). A reasonable explanation for this interesting finding would be that the use of a paper notebook enables users to summarize and reframe information in their own words for encoding, while the use of a laptop tends to encourage them to write down information more passively (i.e., more nearly verbatim).

The former processes thus naturally ensure deeper and more solid encoding via the active process of making notes. Moreover, it has been reported that longhand note-taking enhanced the performance of students on recognition of memorized words, even though typing on a computer keyboard allowed greater speed (Aragón-Mendizábal et al., 2016).

It remains to be determined how different inputs for memory-encoding, such as the use of paper notebooks or mobile devices, affect retrieval processes. We compared three groups of participants who read dialogues on personal schedules and wrote down the scheduled appointments on a calendar using a paper notebook (Note), an electronic tablet (Tablet), or a smartphone (Phone). After the retention period for an hour including an interference task, we tested recognition memory of those appointments with visually presented questions in a retrieval task, while scanned with functional magnetic resonance imaging.

We obtained three major results. First, the duration of writing down schedules was significantly shorter for the Note group than the Tablet and Phone groups, and accuracy was much higher for the Note group in easier (i.e., more straightforward) questions. Because the input methods were equated as much as possible between the Note and Tablet groups, these results indicate that the cognitive processes for the Note group were deeper and more solid. Second, brain activations for all participants during the retrieval phase were localized in the bilateral hippocampus, precuneus, visual cortices, and language-related frontal regions, confirming the involvement of verbalized memory retrieval processes for appointments. Third, activations in these regions were significantly higher for the Note group than those for the Tablet and Phone groups.

These enhanced activations for the Note group could not be explained by general cognitive loads or task difficulty, because overall task performances were similar among the groups. The significant superiority in both accuracy and activations for the Note group suggested that the use of a paper notebook promoted the acquisition of rich encoding information and/or spatial information of real papers and that this information could be utilized as effective retrieval clues, leading to higher activations in these specific regions.

NOTE: Please follow the link below for reading the research paper in details:-

https://pmc.ncbi.nlm.nih.gov/articles/PMC8017158/

Now let's read a thread from X.com on this very research paper as follows:-

A Japanese neuroscientist put 48 people inside an MRI scanner and proved that writing your schedule on paper makes you remember it better than any calendar app on Earth, and the tech industry has spent the last 20 years hoping you would never read the paper.

His name is Keita Umejima.

He works inside the Sakai Lab in the Graduate School of Arts and Sciences at the University of Tokyo, and the paper was published in 2021 in a journal called Frontiers in Behavioral Neuroscience.

The finding is clean enough that it should have changed how every person on Earth writes down their schedule. The experiment was so simple. His team recruited 48 university student volunteers between 18 and 29 and split them into three groups of 16 each.

Every participant was asked to read a set of dialogues about personal schedules and then record all the appointments into a calendar.

One group used a paper notebook and a pen. The second group used a stylus on an electronic tablet. The third group typed the appointments into a smartphone. Then the researchers made them wait for a full hour, with a deliberate distraction task in the middle so no one could quietly rehearse the schedule in their head.

When the hour was up, every participant was slid into an fMRI machine and asked multiple choice questions about the appointments they had recorded, while the scanner watched the blood flow through their brains in real time. The behavioral results came in first, and they were already brutal.

The paper notebook group finished recording their calendar in about 11 minutes. The tablet group took 14. The smartphone group took 16. The paper group was roughly 25 percent faster than the phone group at the exact same task, and when the researchers checked whether people who preferred analog in daily life were skewing the numbers, they found the difference held either way.

The speed gap was not about familiarity with the tool. It was about how the brain was actually processing the information as it went in.

On the memory test that followed, the paper group answered the straightforward recall questions more accurately than either digital group. They had encoded the schedule faster and remembered it more precisely, using a tool the tech industry has spent 20 years telling you was obsolete. Then the fMRI data came in, and the picture got sharper. When the paper notebook group tried to remember an appointment, the scanner showed strong activation across several regions of the brain at once.

The hippocampus, which is the part of the brain responsible for forming and retrieving memories, lit up far more than in either digital group. So did the precuneus, which is the region that handles spatial imagination and holds visual scenes in the mind's eye.

Language regions and visual imagery regions were also more active in the paper group than in the tablet or phone group.

The reason turned out to be something Umejima's senior author Kuniyoshi Sakai spelled out plainly in his interviews. A page in a paper notebook is a physical location in space. The top left corner is not the same as the middle of the page. A Tuesday appointment written next to a coffee stain is not the same as a Tuesday appointment written under a doodle. Every entry has a texture, a position, a slight variation in handwriting pressure, a physical relationship to everything else on the page.

Digital calendars strip all of that away. Every entry looks the same as every other entry. The font is identical. The spacing is uniform. Every scroll is the same motion. Every tap creates the same visual signature. The tool that was designed to make appointments easier to record also made them almost impossible for the brain to anchor to any spatial cue.

The hippocampus, as it turns out, is not just a memory organ. It is a spatial memory organ. It evolved to help you remember which cave had the water and which grove had the fruit, and when you write something down by hand on a specific page in a specific spot, you are giving your hippocampus the same kind of hook it was designed to grab. When you type the same thing into a phone, you give it almost nothing to grab at all.

Umejima's team is not the only lab pointing at this. A 2014 Princeton study by Pam Mueller and Daniel Oppenheimer tested 327 students on notes taken by laptop versus notes taken by hand, and the handwriting group won on every question that required real understanding.

A 2024 Norwegian study by Audrey van der Meer scanned the brains of students writing versus typing single words and found that handwriting fires up neural connectivity patterns that typing leaves completely dark.

After 3 studies, 3 countries, and 3 different methods.. the answer was the same every time. The paper notebook is not old-fashioned. It is a memory upgrade the tech industry has spent the last 20 years quietly convincing you to give up.

Every appointment you have ever typed into a calendar app was recorded through a thinner pipe than a handwritten one. Every schedule you set on your phone this year is sitting in your brain with weaker anchors than it would have if you had written it on a page.

You do not forget your own appointments because your memory is broken. You forget them because the tool you used to record them stripped out every cue the brain needed to hold on. The fix is the thing your grandmother already knew. Buy a notebook. Write the thing down. The slower road is the faster one.

Paper notebooks excel at memory retention and focused, distraction-free work. Traditional physical journals are ideal for deep studying and sketching. Studies show that physically writing by hand activates deeper cognitive processing and long-term memory regions in the brain.

Modern tech tools are a big help and shall be used as "help" only. Recent studies have shown that replacing the centuries old learning models with latest tools have not helped human race enhance its own capabilities. The modern tools shall be strictly avoided for learning models in schools and colleges. Writing with hands and reading paper books are more helpful for memory retention and enhancing cognitive ability and it must be ensured for children's education.