3D illustration of brain connectivity in a transparent human head. 3D illustration of brain connectivity in a transparent human head.

How Much RAM Does the Human Brain Have?

Living in today’s world, our lives revolve around gadgets. Day in and day out, we use computers, tablets, and computers; mobile phones have become an inseparable part of our lives. And what is common among all these devices? Their memory capacity.

Usually, we study the memory capacity of these devices in terms of megabytes and gigabytes, but does the same unit of measurement go for our brain’s memory capacity as well?

Can we compare the memory capacity of the human brain with the memory capacity of these devices or any instruments, for that matter? Well, the obvious answer to that question is no,

1. Capacity of the Human Brain: How Much RAM Does the Human Brain Have?

Primarily, the brain is a very versatile, independent, and strong organ, and honestly, you do not have a concrete answer as to how many memories it can store. The brain is a part of the nervous system, which also contains the spinal cord, and its working process is very magical and intricate

Not only does it manage your memory, but it also manages your emotions, thoughts, breathing, touch, and vision, among other bodily procedures.

One way to calculate the memory capacity of the human brain is by gauging the connections between the brain cells. The connections are then decoded into computer memory measurement units like bytes.

It is a very big question, so obviously, good research has been done to understand memory capacity, and according to the studies done by Paul Reber, professor of psychology at Northwestern University, it has been concluded that the human brain has a capacity of 2.5 petabytes.

So, the human brain has millions and billions of neurons, and neural connections are present between all of them, so you can have an estimate of the number of connections.

But in simple terms, a petabyte implies 1024 terabytes, or in more simple terms, 2.5 million gigabytes of memory can be stored by the human brain.

2. Types of Memory

Now we have an idea of how huge the capacity of the human brain is, so we need to understand that memory basically is of three types, namely sensory memory, short-term memory, and long-term memory. Let us know the difference between these.

  • Sensory Memory – Sensory memory, as the name suggests, is the memory that helps you remember what happened after the end of your stimulus. It is the first memory that is formed; only after this do you have short-term or long-term memory. This sensory experience gives you the sensory information to store, and it becomes short-term or long-term memory, given the number of times it is repeated.
  • Short-Term Memory – It is basically the memory that stays with you of the information that is there for a short duration after the stimulus has ended, say 30 seconds. You can try to keep information in your short-term memory by repeating it, so if you repeat the information every 30 seconds, you will not forget it. Like when somebody tells you their phone number, and you repeat it until you have to dial it, you will not forget it.
  • Long-Term Memory – Anything that is not a part of the sensory or short-term memory falls under the category of long-term memory. All memories can be stored for more than 30 seconds, although there is no top capping for them. So, the storage here is in abundance.
How Does Human Memory Work?

3. Other Facts about the Human Memory: How Much RAM Does the Human Brain Have?

Although we have seen the enormous capacity of storage and also how each type of memory is formed, now there are a lot of other facts that need to be understood, which might surprise you.

When you learn or get to know something new, you actually tend to forget half of it within an hour, and as the day goes by, you will honestly only remember 20-30% of it.

Although our short-term memory has a very small span, but its capacity is astonishing. It can actually hold up to 7 different pieces of information at a time, meaning for 20/30 seconds.

We assume that our brain shuts down when we are sleeping, but it is actually the exact opposite. It uses more brain activity while dreaming than when we are awake. So, it won’t now be difficult to accept that we have about 70,000 thoughts in a day.

It is said that left-handed people have a better memory, and it is termed the lefty advantage; the reason given in various studies is that people who are left-handed have a larger corpus callosum than right-handed people, as they have more white matter.

There is so much about our brain and memory, so it looks like we have the best memory capacity device in our bodies, but you will be surprised to know that most of us do not have the perfect memory.

Having the ideal memory is known as hyperthymesia. It is very rare and a very superior brain feature, and there would hardly be 100/20 people in the whole world with this ability.

4. Final Thoughts – Enhancing your Memory

Sleep regularly and try to get a sound and well-rested sleep of 7 to 8 hours every night, and along with regular sleep, make sure you treat your body with some physical activity. Exercise every day in some or the other format or at least 4 times a week. This helps to boost the growth of the cells in your brain and produces neurotransmitters, which help in enhancing your memory.

Consume food that helps build better memory, like vegetables, berries, nuts, and green, leafy salads. Try to completely cut down your smoking and alcohol intake, as these adversely affect your memory capacity. Sugary and processed foods should also be eradicated from the diet.

  1. According to this article the concept of the human brain’s memory capacity being measured in petabytes is mind-blowing. Understanding the different types of memory and their functions provides a deep insight into the complexity of our brain. The revelation about forgetting half of newly learned information within an hour emphasizes the need for effective memory-enhancing strategies, making the article both intriguing and practical. Sleep well ,exercise daily and consume good food that will built memory Very Informative article .

  2. A wonderful narrative on human memory filled with fun facts like the lefthanded people have good memory power etc. Instead of telling impractical or not proven things, the author ask us to improve our physical strength and health to have a good memory. facts like short term memory, long term memory and sensory memory made the write-up an informative one.

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