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We hold on to different kinds of memories.
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By studying people with amnesia, it seems that short-term and long-term memories don't form in precisely the same way, nor do declarative and procedural memories.
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Memories are held within groups of neurons called cell assemblies. They fire as a group in response to a specific stimulus, such as recognising your friend's face.
The more neurons fire together, the more the interconnection of the cells strengthen. We experience the nerves' collective activity as a memory.
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For a short-term memory to become a long-term memory, it must be strengthened for long-term storage. The process is called memory consolidation and occurs using several processes.
Long-term potentiation consists of individual nerves changing themselves to grow and talk to their neighboring nerves differently. The remodeling modifies the nerve's connections, which makes the memory stable.
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When we recall a memory, many parts of the brain share information, including regions that do high-level information processing, regions that deal with our senses' new inputs, and the region that help coordinate the process, the medial temporal lobe.
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Our most repeated physical actions can, with continual practice, be performed automatically without any real-time awareness.
We think of those particular skills being stored in our ‘muscle ...
It is the area of the brain responsible for learning new skills.
Using brain mapping tools, scientists have discovered that the more we use a certain body part, the more information about it is stored in the Primary Motor Cortex region of the brain, which alters its size and the number of connections with the other regions of the brain.
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The brain can stretch or compress the feeling of time. Seconds of pain can feel like minutes, and hours spent at a party can feel like a moment.
Research shows that an extr...
Research suggests new experiences could create more time codes in the human brain as it processes memory formation.
This could mean that people who can afford to enjoy more vacations and hobbies and have more stimulating jobs, will recall having lived for a longer time.
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On average, people’s memories stretch back no farther than the age of three and a half.
New science suggests that when we move into adulthood, the brain must let go of muc...
From birth to our early teens, we have far more links between brain cells. The excess brain mass is very adaptable and allows children to learn very quickly.
But the adaptability comes with a price. The large and complex network in the brain is still busy growing and not as capable of forming memories efficiently as in adulthood. Consequently, long-term memories created in our first three years of life are the least stable and prone to be forgotten as we age.