Petrus wrote:In fact, no, time flows the same in a dream as when we are awake, this was proven by an experiment where a lucid dreamer was asked to move his eyes at a certain rate while he was dreaming. .
The dream manages to make you believe that you spent weeks there through ellipses and false memories.
The inception thing is bogus.
Studies of this kind should be taken with a grain of salt because it is not really possible to say that all the phases of dreams have been exploited during the experience, especially with regard to the multiple levels of the activity. cerebral.
There are different levels of mastery in the art of "lucidology" (the practice of lucid dreaming).
Overall, the studies on subjective temporality seem to confirm the theses of the film
Inception.
Child psychiatrists, for example, insist on the fact that children do not have the same intensity of perception of time as adults.
Studies show (they are confirmed by those carried out in the animal kingdom) that it is the capacity of information processing of the cognitive system which will determine "the impression of the passage of time"
*.
The greater the capacity for processing information, the more time appears to the consciousness as being slowed down, and vice versa.
According to Professor Adrian Bejan, it is in this difference that lies the explanation of the enigma. Teaching mechanical engineering at Duke University, he explains that the time we perceive depends on observed changes, for example via visual images. “The human mind perceives reality (nature, physical) through images appearing as visual inputs reach the cortex,” he explains, thus “the mind feels the 'change of weather' when the perceived image changes ".
But there : a young brain receives more images and at a higher frequency for a day than the same older brain. "People are often amazed at how much they remember days that seemed to last forever in their youth," Prof. Bejan said in a statement. "It's not that their experiences were much deeper or more meaningful, it's just that they were treated in a burst ". Because according to him, this apparent time gap can be attributed to the ever slower speed at which images are obtained and processed by the human brain as the body ages.
Aging neural networks
For Prof. Bejan, the size and complexity of neural networks grow over time, forcing signals to travel longer distances. In addition, these networks also age and degrade, giving increased resistance to the flow of electrical signals. As a result of these phenomena, the rate of acquisition and processing of new mental images decreases with age. As a result, since older people post fewer new images in the same amount of time, it seems to them that time flies faster.
According to Christian Yates, mathematician at the University of Bath (England), in The Conversation, other explanations could explain this acceleration of perceived time. His theories come close to Adrian Bejan's explanation: an overall slowing down of our metabolism, joining slower breathing and heart rate, resulting in an accelerated perception of time. Another theory is that our perception of time lengthens as the environment becomes familiar to us. Thus, a child for whom everything is subject to astonishment will register more information over the same period of time as adults, slowing his perception of time.
The time perceived between our 5 and 10 years would be the same as between our 40 and our 80 years!
Christian Yates, however, considers these theories insufficient to explain these differences in perception, especially in view of the magnitude of the perceived acceleration, corresponding to a logarithmic scale. This scale provides for a multiplication by 10 between each unit. It would make it possible to visualize the perceived continuous acceleration of time as a function of age. Indeed, the time already lived would be a good indicator of this perception. For example, a year for a 2-year-old is half her life, but only 10% that of a 10-year-old, and 5% of a 20-year-old. So according to this scale, the perceived duration is exactly the same between 5 and 10 years as between 10 and 20 years, 20 and 40 years and 40 and 80 years ...
"I don't want to end on a depressing note, but the five-year period that you lived between five and ten years may seem as long as that between 40 and 80 years", concludes Christian Yates with humor. "So keep busy. Time flies whether you're having fun or not. And it's going faster and faster every day."
https://www.sciencesetavenir.fr/sante/cerveau-et-psy/pourquoi-le-temps-parait-long-aux-enfants-et-semble-filer-en-vieillissant_157236During a lucid dream there are phases where reality is increased, that is to say that the dream world appears more real than the real world itself due to an increase in brain activity.
In fact, in normal times our brain works according to an optimization logic. In order to keep up with the 16 hours of average wakefulness, it runs at half speed. During a period of intense stress (accident, aggression or certain dream phases) are activity is accelerated. It is a kind of sprint where the information processing increases considerably.
* Time does not exist as such, it is a term to designate the increase in entropy, i.e. the measure of the transformation of the real under the action of the second principle of thermodynamics.
"Engineering is sometimes about knowing when to stop" Charles De Gaulle.