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Why Some Memories Seem Like Movies: 'Time Cells' Discovered In Human Brains
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An episodic memory
If you fall off a bike, you'll probably have a cinematic memory of the experience: the wind in your hair, the pebbles on the road, then the pain.
Researchers have identified ce...
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Re-creating events in the mind
The time cells are situated in the hippocampus and another area of the brain involved in navigation, memory and time perception.
The time cells are marking out discrete segments of time...
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SIMILAR ARTICLES & IDEAS:
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The different kinds of memories
We hold on to different kinds of memories.
- Short-term memories last seconds to hours and long-term memories last for years.
- We also have a...
Where your brain keeps memories
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.
- Emotional responses such as fear occur in a brain region called the amygdala.
- Memories of learned skills are associated with the region called the striatum.
- The hippocampus is essential for forming, retaining, and recalling declarative memories.
- The temporal lobes play a critical role in forming and recalling memories.
How we experience memories
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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The Science of Memory
- Encoding - the stage when the brain consciously acknowledges information based on our senses. When we attach meaning or factual knowledge to any of this sensory input, that'...
Lifestyle Changes That Can Improve Memory
- Get a good night's sleep or take a power nap after learning something new, to help retain and retrieve memories better. Sleep deprivation and acquisition of too much information will not help you save those memories.
- Get moving, to improve the flow of oxygen-rich blood in your brain and to trigger neuron growth and new connections in the brain - critical for memory.
- Improve your diet. Fats from food can build up the brain, resulting to poor blood flow.
Mnemonics
Any system or device designed to aid memory:
- patterns of letters or words (common mnemonics)
- ideas (memory palace)
- associations (chunking)
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Mind Replay
While we sleep, our brain is on to housekeeping. It is weeding through the experiences of the day and identifying stuff that needs to be put into long-term storage.
A new study which involv...
The Mind At Work
- During the day, all our senses are busy collecting information, which includes sights, smells and sounds.
- When we sleep, the new memory traces are consolidated and ‘de-fragmented’ into a permanent form of long-term storage, combining the recent experience with existing semantic memory networks.
- This also proves that when we sleep after learning something, we tend to remember it better as it gets processed and digested inside our minds.