December 22, 2024

The Queens County Citizen

Complete Canadian News World

Our brain is alert even when we are asleep!

Our brain is alert even when we are asleep!

Important

  • Our nights are paused by three stages: light restful sleep, deep slow sleep and contrasting sleep.
  • These three stages form the sleep cycle, which lasts for about 90 minutes.
  • During each of them, the brain is active.

Our brain never sleeps. At night, he sorts out all the information he receives during the day, some Neurons Are activated to immerse us into specific stages of sleep. Therefore, it acts as a control tower, whose activity never stops and can alert us about any unusual signal. Researchers in JNeurosci. In our time Sleep, Brain activity intensifies when there is unknown noise.

Changes in brain activity

The scientists, from the University of Salzburg in Germany, measure the brain activity of 17 sleeping adults. The study lasted for two days: the first night was aimed at keeping participants light and the second day the experiment began. In their time Sleep, Scientists aired recordings of known and unknown voices, pronouncing their name and unknown first name. The sound level was low enough that it did not wake them up. Unknown voices have more K-complexes, a type of brainwave associated with sleep disorders Voice Known. They can also produce K-complexes, but those triggered by unknown tones are accompanied by large-scale changes in brain activity.

Internal alarm

As the night progresses and the snippets are broadcast, the brain’s responses to an unfamiliar tone occur less frequently. In sum, the Voice Showing that the brain can still learn in sleep, becoming more familiar. According to the authors, these results prove that K-complexes are allowed to enter the brain. “Sentinel treatment mode“, Where May the Do. Stays asleep but has the ability to respond to stimuli. The organ continues to do this internal work, but at the same time it is able to respond when new information arrives. “Unknown voices should not speak to us at night. Manual Scabus, one of the authors of this research, explained. It triggers an alarm in the brain.“This process can explain why we sometimes find it difficult to sleep in a novel environment like hotel rooms,” he said.

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