Why Some Memories Seem Like Movies: 'Time Cells' Discovered In Human Brains
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 cells in the human brain that makes this episodic memory possible. The cells are called time cells that place a sort of time stamp on memories as they are being formed. This allows us to recall sequences of events or experiences in the right order.
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We hold on to different kinds of 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.
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.
Any system or device designed to aid memory:
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...