FACTS ABOUT THE HUMAN BRAIN

FACTS ABOUT THE HUMAN BRAIN

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The human brain consist of 80 to 120 billion neurons and might be the pain center when you hurt yourself. Impulses travel as fast as 170 miles per hour, that's the reason why you react fast to the things around you or why that finger feel pain right away after cutting yourself. It has many neurons but the brain itself doesn't have pain receptors and cannot feel pain. It doesn't mean that you wont have an headache. The brain is surrounded by tissues , blood vessel and nerve endings that have plenty of pain receptors and can give you a headache. So if you don't want to get hurt, well you have to learn how to use your brain.





We measure memory by bytes, have you ever wonder the human brain capacity in terabytes? how does it store memory or why is it we tend to forget things. Searching from the Internet i found some articles might give the answers and summarized it.

Robert Birge (Syracuse University) who studies the storage of data in proteins, estimated in 1996 that the memory capacity of the brain was between one and ten terabytes, with a most likely value of 3 terabytes. Such estimates are generally based on counting neurons and assuming each neuron holds 1 bit. Bear in mind that the brain has better algorithms for compressing certain types of information than computers do. (source)

The human brain store for a fraction of seconds, sensory information in areas located throughout the cortex. In the process  information goes into short-term memory and some may go to the long-term storage in several parts of the cortex, much of it will return to the sensory cortex where originally received. Consciously and unconsciously we are gathering information and impulses via our perception and some catches our attention or that information is important because we might need it soon, this goes to the short-term memory. Short-term storage doesn't hold a lot; you may hold about seven independent items at one. Long-term memory on the other hand involves three processes; encoding, storage and retrieval.


Encoding: around us we gather information, some of it we are 
aware it can be helpful for us in the future, the brain process those information and only store which is important. For example you learn a word or a phrase the brain tries to encode this important information for storage. Not all can be stored as the brain segregates this data for not overloading your memory.




Storage: In storing memory like a word or a phrase that we learned we attached it to other related memories, like if you learned the word "flying" we tend to attached some related memories like a birds, plane or  kite. it consolidate the new concept with other memories we had gathered.


Retrieval: In this process we follow some of the hints to trace back the memory and thus tracing back the stored information to regain meaning. Some of the codes that the memory had been attached to like the birds, plane or kite may trigger the recovery of the meaning of "flying". And if you want to remember something you might as well use some hints such as those birds or a plane to remember the meaning of the word flying.


That's why some people are very good in memorizing, they consolidate things to other things or familiar events and experience. Like for example memorizing the deck of cards, if they want to remember the card King of Diamonds they correlate it or imagine an event or maybe an image like a King wearing diamond studded crown. It would be easier for them to remember.

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