ipl-logo

Essay On Sleep Analysis Paper

2138 Words9 Pages

this paper presents a comparison among ‎different time ‎frequency representation methods ‎in ‎sleep study with EEG signal ‎‎.‎EEG signal reflects brain ‎activity and is useful for sleep ‎study. Sleep study is ‎necessary for diagnostic and treatment of sleep ‎disorders.EEG is a non-‎stationary signal and therefore ‎classic methods such as fourier transform is not ‎suitable for ‎studying it. Time frequency ‎representation is one of the methods that are used for ‎feature extraction ‎of EEG signal. There are many ‎approaches to time frequency representation‎ and it is ‎necessary to ‎examine which of this approaches have ‎better results for sleep classification. In this paper ‎time ‎frequency representation image is obtained ‎from six time frequency …show more content…

‎EEG ‎signal ‎reflects brain activity and is useful for sleep ‎study. Sleep study is necessary for diagnostic and ‎treatment ‎of sleep disorders
EEG is a non-stationary signal and a good method to ‎studing it, is time frequency analysis. There are many ‎approaches to time frequency representation‎ and it ‎is ‎necessary to ‎examine which of this approaches have ‎better results ‎for sleep classification. It is a ‎Comparative analysis. Studies like this already ‎existed. For example J.D. Mart´ınez-Vargas et al. do a ‎Comparative analysis of Time Frequency ‎Representations for discrimination of epileptic ‎activity in EEG Signals.[1] ‎
EEG signal has many useful features that can be used ‎for sleep studying . Varun Bajaj and Ram ‎Bilas Pachori ‎proposed that features derived from the histogram of ‎segmented time-frequency ‎image (TFI) corresponding ‎to frequency-bands of rhythms of EEG signals are ‎useful for automatic ‎classification of sleep stages[2] ‎‎.For comparison among different time frequency ‎distributions, it is necessary to have some features ‎that should extracted from TFI. We use the features ‎that Varun Bajaj and Ram ‎Bilas Pachori proposed. ‎These features will be introduced in methods and ‎materials

Show More
Related
436 Words | 2 Pages

The Complexity of Sleep In Matt McCarthy’s Nap Time, he discusses the “most mysterious” of all needs - sleep. McCarthy uses the story of Mike Napoli to introduce this topic. Napoli’s story of his struggle with severe sleep apnea includes some abnormal elements. Firstly, he cites his “first dream in a decade” that he can actually remember (p. 49).

Read More
426 Words | 2 Pages

In chapter three, Religion of the Aztecs, Carrasco paints an interesting picture demonstrating the complex and mystifying nature of Aztec religion. Much of what was practiced in Aztec religion had some connected to the god, Topiltzin Quetzalcoatl or the Plumed Serpent. Most communities included ceremonial centers dedicated to demonstrating the importance of Quetzalcoatl. At the same time, the cosmos also played a large role in how the Aztecs worshiped. One example of this is how the human body was regarded as one of the most sacred spaces due to certain body parts being assigned to different aspects of the world (pg. 88, 89).

Read More
249 Words | 1 Pages

According to David Myers, author of Myers’ Psychology for AP, he details that there are “five main” stages of sleep everyone experiences at night. The stages of sleep play a distinct role in our circadian rhythm, the twenty-four hour cycle of living beings physiological processes (Myers 226). In order to have a full understanding of sleep, it is essential to be able to distinguish between the following stages of sleep: light sleep, sleep spindles, deep sleep, and rapid eye

Read More
839 Words | 4 Pages

Although this gadget is focused on monitoring fitness activities, it has an added feature of tracking your sleep patterns. The simplicity of this feature can be attributed to the fact that it only an additional feature and not the main feature. The feedback of your sleep duration and when you turned and tossed is indicated on a

Read More
1138 Words | 5 Pages

(Drouot et al., 2008). The more we began to explore sleep the more we came to realize the complexity of this seemingly simple project. We quickly realized that if we want to show improved sleep by decreased noise, we need a way to objectively measure sleep. If we want to show decreased incidence of delirium by improved sleep we need to consistently and accurately measure delirium and if we want to promote sleep we need create a silent

Read More
699 Words | 3 Pages

Sleep is so important in consideration to a person’s attitude towards their day and their performance because it sets their mood. Therefore, the time change’s effect on the human body does not comply with what is expected on a daily basis and further notions expelling the time change from the calendar. In addition, the time change takes a toll on energy consumption. Although it does reduce the electricity needed for light, it increases total energy usage by two to four

Read More
799 Words | 4 Pages

This is a tool for dividing functions or data into components of different frequency. It allows us to study each component separately. These baby wavelets (basis functions) are obtained from a single wavelet called the mother wavelet, by contractions or dilations (scaling) and translations (shifts). Each coefficient is multiplied by the appropriately scaled and shifted wavelet which gives the constituent wavelet of the original signal. The CWT can be interpreted as a linear filtering operation (convolution between the signal x(t) and a filter with impulse response ψ(-t/s)).The CWT can be viewed as a type of bandpass analysis which modifies the center frequency and bandwidth of a bandpass filter by varying the scaling parameter (s).

Read More
577 Words | 3 Pages

Introduction Attention Getter: Sleep is essential, especially around us college students who spend each night staying awake to do projects we should of started weeks ago. Purpose: Well, now you can have a good rested night with these new tips and tricks!

Read More
1186 Words | 5 Pages

sleep or rapid eye movement sleep. This stage generally takes place about an hour or so after one initially falls asleep and repeats itself every about ninety minutes. For the first ten minutes of rapid eye movement sleep, give or take, “your brain waves become rapid” (Myers & Dewall, 2015, p.103). Along with increasingly rapid brain waves comes increased heart rate, irregular breathing patterns, and the eyes darting around in “momentary bursts of activity” (Myers & Dewall, 2015, p. 103). The appearance of eye movements marks the onset and beginning of a dream.

Read More
1292 Words | 6 Pages

The activity of brain waves during this time decreases, but is interrupted at times by small bursts of electrical activity that are very rapid. Sleep specialist refer to these small bursts as sleep spindles. Stage two of non-REM sleep is the stage that is repeated the most throughout the night and it lasts for about ten minutes each time. Stage three non-REM sleep is the stage in which deep sleep occurs. This stage lasts for approximately thirty minutes, but takes a longer time to complete during the first half of the time we spend sleeping.

Read More
1235 Words | 5 Pages

Sleep Journal and Reflection Paper Amber Ivy American Public University System Before, during, and after the logging of my sleep journal, I learned an abundance of information about myself in accordance to the dreams I had been having. The last ten days I logged what I was eating, when I went to bed, how many times I woke up during the night, and when I woke up for the day. As soon as I woke up for the day, I wrote as much as I could remember about the dream/ s I had.

Read More
1305 Words | 6 Pages

When it comes to sleep, as many already know, there are various stages. However, what is rarely covered is the stages other than REM (rapid eye movement). The first stage encountered on a nightly basis is that of NREM 1 (stage 1). In this stage, our bodies essentially start to slow down various bodily functions such as breathing and pulse (“sleep”, n.d). Next comes NREM 2 (stage 2).

Read More
825 Words | 4 Pages

Gaukhar Dosmuratova PSYC 1111 Sleep Deprivation experiments Sleep deprivation is a condition when a person has problems to get enough sleep. Nowadays, sleep deprivation has become a common problem. Sleep plays a vital role in people’s lives because by getting enough sleep at the right times a person can protect his/her mental and physical health. During sleep, your body and mind are resting and it supports healthy brain function and maintain person’s physical health. There are many types of research were made on sleep deprivation.

Read More
1208 Words | 5 Pages

1.7 Speech analysis One of the important characteristics of a speech waveform is the time-varying nature of the content of the speech pressure. Determination of the time-varying parameters of speech is a key area of analysis required in speech research. Another key area is classification of speech waveform segments into voiced or voiceless (mixed excitation is usually considered voiced). As mentioned previously, in the case where speech is voiced, the most important parameter is the fundamental frequency value f0. This section introduces these two areas of analysis and discusses the principles and limitation involved.

Read More
1055 Words | 5 Pages

THE IMPORTANCE OF SLEEPING WELL Hello everybody, I’m going to speak about the most time-consuming activity in our lives: sleeping. As a matter of fact, we usually don’t pay much attention to the quality of our sleep, in spite of influencing a big deal our performance during the day, our health and well-being, in other words, our quality of life. That’s the reason why I would like to introduce some interesting material to understand better this important though disregarded necessity.

Read More

More about Essay On Sleep Analysis Paper

Related Topics

Open Document