Extracting storage is the best memory method

The male number on it 「 Acer Lang 」, It's a spare number for me , In case the big one loses contact one day , I usually send about three of my thoughts a week , Reading notes , Cognitive perception and other articles , Lead us to explore the road of spiritual and financial freedom .

Extraction is the best way to store . Extracting storage is the best way to remember .

in fact , Everyone has his own encyclopedia or dictionary . You have to write an article , Every word in it comes from this dictionary . But how to combine words in the dictionary into an article , It doesn't just depend on your storage capacity , It depends on your ability to extract .

Generally speaking , Storage capacity is fundamental , It is not an end but a means —— Storage is for extracting . therefore , In this sense , The storage capacity is lower than the extraction capacity ; On the other hand , Because storage is only a means, not an end , Some kind of information 、 knowledge 、 Feelings are just stored in your mind , If not extracted, it will gradually be forgotten .

Nietzsche said ： What only happens once is equal to never happening . To collect is to forget , Too many people in our life see interesting ideas , Enlightening knowledge is collected only once , But never used again , I forgot about it .

And extraction is the third time that knowledge occurs , When you study , Collecting records is a , When you extract it , Memory is a , It's another time to organize your own output .

Feynman's learning method and teaching and learning complement each other

such as ： Note taking , Is extracting , Reading is storing .

Writing it down helps to really understand , If you don't know , In fact, it means that you don't understand .

Feynman emphasized in a speech to young scientists ：“ The principle is that you can't deceive yourself , But you are the easiest person to be cheated .” read , Especially repeat reading , It is easy for us to mistakenly think that we have understood an article . Repeated reading is particularly dangerous , This is because of the exposure effect ： When we are familiar with something , Will begin to believe that they have understood , The biggest problem is , We will like it more and more .

therefore , When you read , With a pen in his hand , Keep records at all times , Put it in the note card box , It's much better than just scribing on an electronic device , Even if you underline something , You will repeat the reading , Actually , You can't remember , The exposure effect is deceiving the brain , Say I remember , I understand , Actually , There is no real thinking .

Although write down an idea , It feels like a detour , It took more time , But not writing it down is a real waste of time , Because most of our reading is invalid .

Better a good memory than a bad pen , It's not just notes that last longer , More importantly, writing it once will help you rethink the logic , While recording, you also think .

The principle of Feynman's learning method is that teaching is learning , Teaching is the best way to learn , Teaching is extracting , This is in a continuous line with the ancient teaching and learning , They're telling us ： Retrieval is the best way to store memory .

The key to long-term memory is the linking of information

When it comes to building effective long-term memory structures , Helmut ·D. Saks said ：

“ We learn through information , preservation , And build on the basis of preservation , Is to create a rich network of relevant information . The more information we know , There are more information hooks to connect new information , The easier it is to form long-term memory , Learning will become more interesting . After entering the virtuous circle of learning , Both the capacity and the speed of our long-term memory seem to be actually increasing . On the other hand , If we can't keep what we have learned , for example , Not using an effective strategy , It will become more and more difficult to learn information based on early learning . There will be more and more knowledge loopholes . Because we can't really fill these holes with new information , Learning becomes a tough battle , Make us tired , Even let us lose the fun of learning . It seems that our brain and memory have reached their capacity limit , Learning enters a vicious circle . Of course, you prefer to enter a virtuous learning cycle , So remember what you have learned , You need to build an effective long-term memory structure .”（Sachs,2013）

therefore , Learning is not about saving information as it is on a hard disk , It's about building connections and bridges between pieces of information , Bypass the inhibition mechanism at the right time . Extraction intensity is the use of specific “ clue ” Trigger specific memories , When we need it , You can recall the most useful information through strategic thinking .

If we look at the current state of Education , Especially the learning strategies adopted by most students , It is easy to find that the vast majority of people still study to improve “ Storage strength ” For the purpose , Even if it cannot be improved . This learning method is mainly to remember isolated facts , Instead of focusing on making connections . This is exactly what learning psychologists aptly describe “ Rote learning ”—— Try to reinforce and consolidate the information in the brain through repetition . It's like carving words on an ancient stone tablet , Stuff objective material into your brain .

Storage for the purpose of extraction , It just makes your storage more regular , Coded , More effective . Although storage is for the purpose of extraction , But extraction itself can help you store ： The information and knowledge that comes into our minds can only work if they are constantly extracted , And each extraction process is the process of establishing connections , Not a vertical connection / extract , It's horizontal and other information / Knowledge points are connected .

therefore , If you want to build an effective long-term memory structure , Knowledge must be linked , Knowledge is extracted and used , Often there will be links , Which makes perfect , Often used knowledge will not be forgotten , That's why .

stay hungry,stay foolish

Last , To sum up with jobs' famous words .

I've been thinking about jobs lately 「stay hungry,stay foolish」, The understanding is more and more profound .

Hungry , Actually, it means output , Because only energy is consumed , You will be hungry , Only hungry , You have the motivation to input .

Foolish, Is to let oneself know oneself , Output can be maintained Hungry The state of , To keep Foolish The state of —— Easier said than done , What makes people feel stupid and incompetent is the moment you output .

Only let yourself enter the output state , Form something similar to “ To make ends meet ” In the state of , It is possible to enter . Generally, stored knowledge has two fates ： Or forget , Or remember . The primary input is like entering a preparatory station , Do you go into the real valid storage area or fall into the forgotten area , It depends on the probability you extract at this stage .

“ Extraction is the best way to store ”： The knowledge often extracted will go to heaven , That is, the real storage area , What is not extracted will remain in your mind for a short time , And finally fall into hell .

The process of cognitive improvement is like eating , If we just blindly input , I have filled myself with a lot of knowledge , But not absorbed and converted into energy , Into action , Then you can only become more and more unhealthy , Produce accumulated food , Obesity , Cause various diseases . If you convert the input knowledge into energy , Into action , Then go to eat and input , You can grow up healthily , Will have a smart brain , Cognition can be improved .

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