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A memory is the association between a group of neurons. So that when one fires they all fire. That is called a pattern of firing. A memory is created when a pattern of firing is repeated often. The more times a memory 'fires' its ability to do so again is increased.
The brain will remember a memory if you recall back to it more than once. every time you recall back that memory the link between the neurons will get stronger. like if in class you are learning a new subject and you don't concentrate fully and don't register/ get the subject the link between the neurons will be weak and most likely disappear but if you register that subject and understand it then the connection between the neurons will be stronger. If you recall to the subject and make it 'fresh' in your mind and refer to it often it will become a strong connection.
Also your emotions/ how you feel about the subject will effect how strong the neuron connection will be.
All brain functions including thoughts, ideas and sensory perception are created by close neurons that 'fire' together. Close firing neurons are called a patterns. One pattern that fires together might include the feeling of fear and another might result in remembering a taste.
An easier way of thinking about memories.
Lets say that you went to a party at somebody's house.and for example lets say the house smelt of cigarettes. next time you smell the smell of cigarettes it will trigger a cluster of neurons in your brain and you will try to remember where you last smelt that smell and you will remember the party. that cluster of neurons will link to another one so you can remember what the party look like and what you heard at that party. the more times you recall this memory the easier it will become.
does the size of your brain effect how smart you are ? this is dependent on which scientist you ask. but for the majority of scientists the answer is no, the size of your brain does not matter, what matters is , is how advanced neurons are inside it. ( though it is hard to measure smartness against the size of your brain because do you measure size it visually or do you measure the weight or do you measure the size of your skull - there has been many debates over this.)
But if size did matter we wouldn't be the smartest animals around. look at this
a dog has a 1 pound brain*
a human has a 3 pound brain
an elephant has a 16 pound brain
and a blue whale has 6 pound brain. and we assume that humans are the smartest of all of them right?
Then what does matter?
what matters is the stuff inside your brain- especially your memory.
*these are all approximations
Memory is the ability to save information from the past and then repeatably withdraw it again. The way your brain works your memory is a bit like how you work a filing cabinet. You store a piece of information in a file and when you need it or you hear something related to it, it pops back up into brain. In this Prezi we will briefly explain how that happens.
Researches found that memories are stored in specific brain cells. By triggering a small cluster of neurons, the researchers were able to force the subject to recall a specific memory. By removing these neurons, the subject would lose that memory. Neurons are an essential part of the memory and brain functions rely on them.
Parents
Wikipedia
library
www.memory.net
google images
nature.com/ scitable
Information/ help from Mum (Brie's)
USATODAY.com
www.Human-Memory.com
Memory
by lane clark and andrew edwards