Wednesday, May 6, 2020

Stages of Sleep, Language Acquisition and Development Essay

A. Describe the stages of sleep. Identify the major sleep disorders. Using an electroencephalogram, researchers noted four distinct stages of NREM sleep and one stage of REM sleep. As we sleep, we cycle through these stages like a circuit at the gym; spending more time on some machines and less time on others. We spend as much as ninety minutes in NREM stages and as little as ten minutes in REM per circuit. The stages of NREM sleep can be identified by their characteristic wavelengths, based on brain activity, as seen on the EEG. We use the cycles per second (cps) to categorize the stages. In stage 1, the lightest of sleep stages, we see a wave of 3-7 cps, which is down from the drowsy measurement of 8-12 cps. As we fall deeper into†¦show more content†¦Somnambulism, or sleepwalking, can be dangerous due to the fact that the person is wandering about without any conscious awareness. B. Describe the way language is acquired. To describe the way language is acquired, were going to talk about how we perceive words and speech, how we learn the meaning of different words, and how we learn to use grammar properly. As children, we immediately start our life by hearing the world around us and its up to our brain to figure out what all the sound means. Research suggests that we are biologically ready to separate sound contrasts that are important for the language spoken around us. We also get help from those around us in the form of infant-directed speech, commonly called baby-talk. We get our information via speech that has been slowed and simplified, and often in a higher pitch, that helps us grasp these new words. We, as children, are amazing new word learners. Like little sponges, absorbing every new word even if we dont immediately get the proper meaning. We hear a new word and guess what that word might mean based on our surroundings. For example, everything in yo ur living room has a name. Now, imagine that someone you trusted very much came in and commented on how lovely your inglenook was. You would have trouble immediately knowing what this person was talking about, but you would make a hypothesis. You would look at whereShow MoreRelatedThe Science of Sleeping950 Words   |  4 PagesSleep timing is controlled by the circadian cycle, working as a inner timekeeping, temperature controlling device, and the part of the body that act as a transmitter associated with wakefulness. Sleep duration is also controlled by circadian rhythms; that is, the time one goes to sleep influences sleep duration. (Zimbardo, and Richard 143). A consistent pattern of cyclical body activities, this cycle constantly working on restoration and conservation of our bodies take place. About a third ofRead MoreThe Stages Of First Language Acquisition1381 Words   |  6 PagesFirst language acquisition means the development of children language in natural environment. 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