First Cycle The Delta Sleep example essay topic

444 words
WE dream during a state of sleep called REM sleep. It is known that theta sent from the hippocampus, which determine if something is of essential value to the brain, are present during REM sleep. Which supports the idea that dreaming is connected to learning and that dreams are very important to the growing process. Sleep is set in cycles, each containing four stages STAGE 1: Light sleep begins- that waves STAGE 2: Light sleep continues- spindles and K complexes STAGE 3: The onset of deep sleep- K complexes and delta STAGE 4: Very deep sleep- delta waves The first cycle is roughly 90 minutes. The brain depends through all four stages, and then ac ends back through them, but on the way up REM sleep is experienced at stage 1. This REM period lasts about 10 minutesAfterthe first cycle the delta sleep may no occur at all. the brain will cycle through stage 1 and 2.

As the night goes on the proportion of REM to NON- REM increase, so by the end of the night you may dream for as much as 1 of the last 2 hours of sleep. Though for some of us we still sleep deeply even to the wee hours of the morning. The "deep sleepers" Thus light sleeper are more likely able to remember dreams. The Menangkabau tribes of Indonesia believe that the real life force, the, actually leaves the body in both dreams and serious illness. The shaman, or Duk un, must project his into the realm of dreams in order to placate or harry the malicious malignant spirits who are hostile to the subject Dreamtime of the Aborigines is a primal state which embraces the creation of the world at the very dawn of our time.

It is the realm of the mythical beings who fist breathed life onto the universe... Their culture extends back over 40,000 years, the oldest spiritual culture of the world. The Shaman is known as the Kara dji. To become a shaman you are killed in the dream time, he is then chosen by the spirits of the dream time who throw an invisible force which transfixes him through the neck and tongue, and another which peirce's his head from ear to ear. His dram corpse is then given new internal organs and crystals are embed ed into his wrists and the third eye, which will become the source of his magical power.

He is reborn. He is taught by the Rai, or spirits through conscious dreaming to see with an inner eye..