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9 Dec 2025
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Understanding the Multi-Store Memory Model: AO1 and AO3 Analysis
neena
@neena_pzfp
1 / 4
The Multi-Store Model Overview
Your memory works like a sophisticated filing system with three main components. Sensory memory acts as the first filter, using your five senses to capture information from the world around you. Most of this gets discarded almost immediately - imagine trying to remember every single thing you see whilst walking down a busy street!
Next comes short-term memory, which handles the information you're actively thinking about right now. Think of it as your brain's workspace where you consciously process things like doing mental maths or remembering a shopping list.
Finally, long-term memory serves as your brain's vast storage facility, holding everything from your knowledge of history to memories of last summer's holiday. The clever bit is how information moves between these stages through attention and rehearsal - it's not just random!
Quick Tip: Information flows in one direction through this model, but you can retrieve stored memories back to your conscious awareness when needed.
The Three Memory Stores Explained
Sensory memory is incredibly brief but massive in capacity. It holds visual information (iconic memory) and sound information (echoic memory) for about half a second. Most of this gets binned immediately unless you pay attention to it - which is why you might not notice background conversations until someone mentions your name.
Short-term memory is where the magic of conscious thinking happens. It can only hold about 7±2 items for roughly 18-30 seconds, which explains why remembering a long phone number is tricky. Information here gets coded acoustically (by sound), so you're more likely to mix up words that sound similar.
Long-term memory is your brain's supercomputer with unlimited storage and duration. Information gets coded semantically (by meaning), so you'll confuse words with similar meanings rather than similar sounds. Maintenance rehearsal - basically repeating things to yourself - helps transfer information from short-term to long-term storage.
Memory Hack: The more you rehearse something, the better chance it has of making it into your long-term memory stores.
Research Support and Limitations
Baddeley's research brilliantly supports this model by showing we mix up similar-sounding words in short-term memory but similar-meaning words in long-term memory. This proves the stores work differently and aren't just one big memory blob.
However, the model isn't perfect. Patient KF suffered brain damage that affected his ability to remember spoken numbers but not written ones. This suggests short-term memory isn't just one simple store - there must be separate systems for different types of information.
Another major criticism involves the use of artificial materials in research. Most studies use meaningless letters, digits, and syllables rather than real-world information like faces, names, or personal experiences. This makes it harder to know if the model actually applies to everyday memory tasks.
The model also oversimplifies rehearsal. Craik and Watkins discovered that simply repeating information (maintenance rehearsal) doesn't guarantee long-term storage - you need elaborative rehearsal that connects new information to existing knowledge.
Reality Check: Whilst this model provides a useful framework, real memory is more complex and interconnected than these three neat boxes suggest.
Modern Understanding of Memory
Recent research reveals that both short-term and long-term memory are far more complex than originally thought. Rather than single stores, we now know there are multiple systems working simultaneously.
Long-term memory isn't just one massive filing cabinet. You've got separate systems for factual knowledge (like knowing London is England's capital) and procedural knowledge (like knowing how to ride a bike). These different types of memory can be damaged independently, which the original model can't explain.
The model's linear approach - where information flows neatly from one stage to the next - also seems too simplistic. Modern research suggests memory involves multiple pathways and feedback loops rather than a straight line from sensory input to long-term storage.
Despite these limitations, the Multi-Store Model remains incredibly useful for understanding basic memory processes. It's like a simplified map - not perfectly accurate, but brilliant for getting your bearings and understanding the fundamental principles of how memory works.
Bottom Line: Think of this model as Memory 101 - a solid foundation that helps you grasp the basics, even though the full picture is more intricate.
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Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
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Most popular content: Long-term Memory (ltm)
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4.9/5
App Store
4.8/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Understanding the Multi-Store Memory Model: AO1 and AO3 Analysis
neena
@neena_pzfp
Ever wondered how your brain processes everything from remembering a phone number to recalling your childhood memories? The Multi-Store Model of Memory, developed by Atkinson and Shiffrin in 1968, breaks down this complex process into three distinct stages that work... Show more
The Multi-Store Model Overview
Your memory works like a sophisticated filing system with three main components. Sensory memory acts as the first filter, using your five senses to capture information from the world around you. Most of this gets discarded almost immediately - imagine trying to remember every single thing you see whilst walking down a busy street!
Next comes short-term memory, which handles the information you're actively thinking about right now. Think of it as your brain's workspace where you consciously process things like doing mental maths or remembering a shopping list.
Finally, long-term memory serves as your brain's vast storage facility, holding everything from your knowledge of history to memories of last summer's holiday. The clever bit is how information moves between these stages through attention and rehearsal - it's not just random!
Quick Tip: Information flows in one direction through this model, but you can retrieve stored memories back to your conscious awareness when needed.
Sign up to see the contentIt's free!
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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
The Three Memory Stores Explained
Sensory memory is incredibly brief but massive in capacity. It holds visual information (iconic memory) and sound information (echoic memory) for about half a second. Most of this gets binned immediately unless you pay attention to it - which is why you might not notice background conversations until someone mentions your name.
Short-term memory is where the magic of conscious thinking happens. It can only hold about 7±2 items for roughly 18-30 seconds, which explains why remembering a long phone number is tricky. Information here gets coded acoustically (by sound), so you're more likely to mix up words that sound similar.
Long-term memory is your brain's supercomputer with unlimited storage and duration. Information gets coded semantically (by meaning), so you'll confuse words with similar meanings rather than similar sounds. Maintenance rehearsal - basically repeating things to yourself - helps transfer information from short-term to long-term storage.
Memory Hack: The more you rehearse something, the better chance it has of making it into your long-term memory stores.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Research Support and Limitations
Baddeley's research brilliantly supports this model by showing we mix up similar-sounding words in short-term memory but similar-meaning words in long-term memory. This proves the stores work differently and aren't just one big memory blob.
However, the model isn't perfect. Patient KF suffered brain damage that affected his ability to remember spoken numbers but not written ones. This suggests short-term memory isn't just one simple store - there must be separate systems for different types of information.
Another major criticism involves the use of artificial materials in research. Most studies use meaningless letters, digits, and syllables rather than real-world information like faces, names, or personal experiences. This makes it harder to know if the model actually applies to everyday memory tasks.
The model also oversimplifies rehearsal. Craik and Watkins discovered that simply repeating information (maintenance rehearsal) doesn't guarantee long-term storage - you need elaborative rehearsal that connects new information to existing knowledge.
Reality Check: Whilst this model provides a useful framework, real memory is more complex and interconnected than these three neat boxes suggest.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Modern Understanding of Memory
Recent research reveals that both short-term and long-term memory are far more complex than originally thought. Rather than single stores, we now know there are multiple systems working simultaneously.
Long-term memory isn't just one massive filing cabinet. You've got separate systems for factual knowledge (like knowing London is England's capital) and procedural knowledge (like knowing how to ride a bike). These different types of memory can be damaged independently, which the original model can't explain.
The model's linear approach - where information flows neatly from one stage to the next - also seems too simplistic. Modern research suggests memory involves multiple pathways and feedback loops rather than a straight line from sensory input to long-term storage.
Despite these limitations, the Multi-Store Model remains incredibly useful for understanding basic memory processes. It's like a simplified map - not perfectly accurate, but brilliant for getting your bearings and understanding the fundamental principles of how memory works.
Bottom Line: Think of this model as Memory 101 - a solid foundation that helps you grasp the basics, even though the full picture is more intricate.
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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Most popular content: Long-term Memory (ltm)
Most popular content in Psychology
Most popular content
English - inspector calls quotes and analysis
Quotes from every main character
English Literature10
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.9/5
App Store
4.8/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user