Sleep, Dreams and REM Sleep Behavior Disorder
The discovery of rapid eye movement (REM) sleep suggested that sleep was not, as it was thought to be, a dormant state but rather a mentally dynamic one. Your brain is, in fact, very active in this state, almost to the level at which it is when a person is awake. Yet during this active stage in which most dreams occur, the movements of the rest of the body are completely stilled. To imagine this paralysis during dreams not occurring is a frightful image, since in many cases dreams are violent and active. When the neurotransmitters that control the movement of the body do not work properly the person develops REM sleep behavioral disorder (RBD).
While we are sleeping the sensory world is essentially revolving around us without our knowledge. Our senses of hearing, touch, taste, sight, and smell no longer function as they do when we are awake. Except for the threshold for each of these senses that each of us has while we sleep, our inner systems are working essentially free of input from the outside world. And yet people are able to have vivid dreams. The cortex can only pass into sleep mode with the help of the are of the brain called the thalamus. The thalamus is one of the two structures that make up the diencephalon, the lower part of the fore brain. Its main function in mammals is as the relay station of sensory information its way to the cortical center. Specific regions of the thalamus, as well as different nuclei process different sensory information on its way to the cortex.
In normal sleeping patterns a person usually passes through five phases of sleep, the fifth being REM. The sleeping human passes cyclically through these five phases throughout a night's rest. These phases can be defined in electrical activity of the brain; much like the activity of the heart is often defined. The technique of measuring the electrical activity of the brain is call Electro-encephalogram, or EEG. When the electrical events of a person's brain are graphed on a electrical magnitude versus time axis the graph of a person who is in different stages of being asleep or awake appear to have different levels of electrical activity occurring in the brain. (See (14))
During the cycle of the phases each lasts for a different period of time during the time we are sleeping.
Latinoamericanitas, 1976. Print. Vélez, Germám. Phone Interview. February 10th, 2011. Waterman, Richard Alan. Folk music of Puerto Rico . Washington: Library of Congress,
· Wiese, D. and Daro, D. (1995) Current Trends in Child Abuse Reporting and Fatalities: The Results of the 1994 Annual Fifty State Survey. Chicago, IL.: NCPCA.
Marijuana has been proven to increase appetite which results in a weight gain for the person. For an AIDS patient, gaining weight not losing it is a main focus. In 1992, the FDA approved a pill form of THC called Marinol for AIDS patients who suffer from wasting. In a study of 139 people with AIDS, half of the people were given the Marinol and half were given a placebo. The Marinol significally improved the appetite in AIDS patients(Cowley and Hager 22). Gaining weight and keeping it on for AIDS patients is key in extending their lives. M...
As stated in the name of the condition, the person having the sleep paralysis is unable to move.
As we all know, sleep is an important part of our lives. Without the proper amounts and type of sleep, fatigue and other problems can arise. Generally, we can clearly distinguish between a sleeping person and a person that is awake. With sleeping disorders, the distinction between an awake person and a sleeping person becomes more intriguing. What is the difference, how does it relate to the I-function and consciousness? Each sleeping disorder has its own unique answer to this question. It is essential to understand sleep to fully appreciate it. However, many aspects of it remain a mystery. We do have some degree of understanding of sleep. Within our sleep cycle a type of unusual sleep occurs, REM sleep. During this cycle the periods of REM sleep are interspersed with slow wave sleep in alternation. Each period of REM sleep (there are usually 4 or 5 periods a night) lasts for approximately 5 to 30 minutes. During these periods a sleep paradox occurs. An enormous amount of brain activity takes place; this is sometimes even more activity then when awake. This clearly indicates that sleep is not simply to rest our mind and not to think. So, during this period our brains are extremely active, yet there is usually no input or output. During this period, along with the random eye movement (REM), there is a complete loss of muscle tone. Essentially, at this point, the motor system is paralyzed (normally the body inhibits any movement). The autonomic nervous system also alters its behavior. The regulation of body temperature is lost and the blood pressure, heart rate, respiratory rates shows increased variability. REM sleep can be detected by measuring the electrical activity of the brain with an electroencephalogram. At this point, the EEG will show the same pattern of activity as when the brain is awake.
The Internet offers many benefits but it also creates many threats that undermines our personal privacy. Concerns about loss of privacy are not new. But the computer's ability to gather and sort vast amounts of data and the Internet's ability to distribute it globally magnify those concerns [1]. Privacy concerns on the Internet are centered on improper acquisition, improper use of personal information such as intrusions, manipulation, discrimination, identity theft, and stalking of personal information. Today the Internet stretches our geographic boundaries and force us to deal with global ethic based on moral principles held to be valid across the cultures. Due to the nature of the Internet, our personal information may be transmitted over the internet and that the transfer of personal information may be made to any country in the world, regardless of the extent of any data protection laws and regulations in any of those countries.
Kamentez, Kevin. “Facts about Child Abuse.” Baltimore, MD. Kevin Kamentez, 19 Jan. 2011. 6 May 2011. Web.
Marijuana, also known as weed, is smoked for the high, as well as for “nausea, glaucoma, appetite simulations, mucous membrane inflammation, leprosy, fever, dandruff, hemorrhoids, obesity, asthma, urinary tract infections, cough, anorexia associated with weight loss in AIDS patients, pain, and multiple sclerosis” (“Marijuana Overview Information”). Medicines to treat some of the listed ailments have not been found as of, yet so patients are suffering from pain and ongoing symptoms from their disease or illness. The only treatment for some of these ongoing symptoms and pain is medical marijuana. This is why medical marijuana is being pushed to be legalized in America. The “high” that users get from smoking marijuana relieves pain for a short period of time. Dr. Mark Ware tested cannabis (mar...
Louie, Wason, and Ryan Wippler. "Marijuana: It's Role in the Medical Arena." Alternative Medicine. Creighton University Medical Center, Feb. 2005. Web. 28 Feb. 2012
Exploringn a Neurobiological Theory of Dreaming Neurobiological theory of dreaming focuses on the brain and the nervous system. The activation synthesis theory which is one of the theories put forward by Hobson and Mcarley (1998) said sleep is controlled by mechanism in the brainstem. When activated this inhibits activity in the skeletal muscles and increases activity in the forebrain. This theory seems dreaming as an automatic part of the sleep process that may have no significance beyond the need to organize the material into coherent forms. Hobson points out that injection of a drug that increases the action of acetylcholine both increases REM sleep and dreaming.
Bachata originated from the Dominican Republic in the early 20th century. During dictator Trujillo’s rule, Merengue was the official music to the nation. Because many Dominicans did not accept their African roots, their dances and rhythms were oppressed. Bachata, with its African influences, was considered crude and lower class, only played by campesinos- peasants. It was only popular in the rural parts of the Dominican Republic. However beginning in the early 60s, bachata was steady becoming tolerated, and eventually loved. (Pacini)
Hammond, Carl, Wayne Promisel, Jack Shepherd, and Bill Walsh. Law Enforcement Response to Child Abuse. Washington, D.C.: U.S. Dept. of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention, 1997. Print.
Did you ever awaken and find yourself unable to move? Perhaps you sensed a presence in your room or a pressure on your chest. This is sleep paralysis. It is a common disorder that affects millions of people. Most believe it occurs as we are on the edge of REM sleep. The disorder has been connected with such hallucinogenic events such as alien abduction or an evil presence. Sleep paralysis is an inability to move or speak, occasionally accompanied by hallucinations, for up to several minutes upon awakening or just before falling asleep.
the sleeper will gradually descend deeper into sleep, becoming more and more detached from the outside world and progressively more difficult to awaken. Stage three is the beginning of deep sleep, occurring about thirty to forty five minutes after you first fall asleep. The deepest sleep occurs in Stage four. Stage three and four has the biggest and slowest brain wave. REM sleep, a mentally active period during which dreaming occurs, provided a biological explanation for this phenomenon. Scientists found that brain activity during REM sleep begins in the pons, a structure in the brainstem, and neighboring midbrain regions. The pons sends signals to the thalamus and to the cerebral cortex, which is responsible for most thought processes. There are several myths about sleep. For one, how much sleep a person should get? According to our text book people should sleep for at least eight hours to maintain sound mental and physical health. But every one doesn’t get the chance to sleep for that amount of time. There is no normal amount of time you should sleep. Everyone is not the same. For one I might sleep for five hours and feel refreshed enough to work another shift. Other hand my cousin might need more then eight hours of sleep to feel refreshed.
When thinking about statistics on child abuse, it’s very helpful to know that the idea of “child abuse” is very controversial. Recently, in particular homes and cultures, child abuse has come to be seen as a major social problem and a main cause of many people’s suffering and personal problems. Some believe that we are beginning to face the true prevalence and significance of child abuse. There is more to child abuse than just the physical scars; children are affected socially, mentally, and emotionally. According to the American National Committee to Prevent Child Abuse, in 1997, neglect represented 54% of confirmed cases of child abuse, physical abuse 22%, sexual abuse 8%, emotional maltreatment 4%, and other forms of maltreatment 12%.