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Caroline V.
@car_vv437
Recalling a memory
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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Kaleb U.
@kal_iuu20
How you perceive time may depend on your income
How we perceive time
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...
The feeling of a long life
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.
Hunting for time codes
- In the 1950s, a standard treatment for epilepsy focused on removing parts of patient's brains, which also left them unable to form new long-term memories. It suggested that memory formation and time perception are tied to the medial temporal lobe.
- Another study found that the brain doesn't waste time memorizing moments that are dull or non-essential, but memories are created when someone engages in actions that are free, engaging, or varied.
- Time feels forever when it is spent in a boring environment, but in retrospect, it will not be remembered in detail. However, fascinating events that flew by will be full of memories and feel longer in retrospect.
Noah Burke
@noahb
Why Some Memories Seem Like Movies: 'Time Cells' Discovered In Human Brains
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...
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 within an approximately 30-second window, explaining why people who have damage to the hippocampus may experience a scrambled sequence of events.
Laksh Bedi
@lakshbbd
This Is Where Your Childhood Memories Went
Childhood amnesia
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...
Our earliest memories are forgotten
- In the early 1900s, Sigmund Freud gave childhood amnesia its name. The most commonly accepted explanation for childhood amnesia was that children couldn't form stable memories until age 7 - even though evidence for this idea was lacking.
- In the late 1980s, experiments revealed that children three and younger keep their memories, although it is limited. At 6 months of age, infants' memories last for a day, and by age 2, for a year. At around age 6, children begin to forget many of their earliest memories.
The early childhood brain
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.
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