Literature Supports Trigger-Dispersion Theory
Having seen epileptic seizures and talking qualitatively about the experience with people who have epilepsy, I made five basic hypotheses about epilepsy. I collectively call these hypotheses my trigger dispersion theory of epilepsy. My five hypotheses are:
1 There is an area in the brain where abnormal firing associated with seizures begins. I will call this area the trigger area. From the trigger area, abnormal firing spreads to other areas of the brain compromising the function of the affected area.
2 There is a stimulus either external or internal which excites the trigger area. I will call this stimulus the trigger. The trigger can be very specific.
3 The first area affected after the trigger area is sensory.
4 The abnormal firing spreads from the sensory area to an area for motor control.
In this paper, I will go through the hypotheses of the trigger-dispersion theory and discuss literature that supports each hypothesis.
Hypothesis 1- There is an area in the brain where abnormal firing associated with seizures begins. I will call this area the trigger area. From the trigger area, abnormal firing spreads to other areas of the brain compromising the function of the affected area.
During a seizure, certain cells (a seizure focus) begin to fire rapidly. In fact, nerve cells in the brain fire electrical impulses at a rate of up to four times higher than normal during a seizure (5) .
This abnormal firing is spread this to other neighboring cells. In the brain of an epileptic, there is not enough inhibitory neurotransmitters to stop the spread of the abnormal firing (2) .
In the 1800s, it was noted by Jackson that epileptic seizures begin in isolated parts of the body such as the thumb and from there spread to neighboring regions perhaps the arm and then to the rest of the body. He hypothesized that there were areas in cerebral cortex that controlled isolated movements and that the areas that were adjacent in the brain were anatomically adjacent as well. Therefore, a seizure began in one area and spread to the rest of the cortex. His hypothesis was later substantiated by Fritsch and Hittig's excitation experiments on motor cortex or area 4. It is a band of neural tissue on the cerebral cortex lying on precentral fissure. The body's movements are mapped out on this band giving rise to the spreading fashion that Jackson described during seizures (6) .
The judicial system in America has always endured much skepticism as to whether or not there is racial profiling amongst arrests. The stop and frisk policy of the NYPD has caused much controversy and publicity since being applied because of the clear racial disparity in stops. Now the question remains; Are cops being racially biased when choosing whom to stop or are they just targeting “high crime” neighborhoods, thus choosing minorities by default? This paper will examine the history behind stop and frisk policies. Along with referenced facts about the Stop and Frisk Policy, this paper will include and discuss methods and findings of my own personal field research.
In 1990, there was a total of 2,245 murders in New York, but over the past nine years, this total has been less than 600 (NYCLU). However, there has not been evident proof that the stop-and-frisk procedure is the reason of the declination of the crime rate. Indeed, stop-and-frisk contributes to some downturn of crime but the number is not high enough for the citizen and police to rely on. Specifically, only 3% of 2.4 million stops result in conviction. Some 2% of those arrests – or 0.1% of all stops – led to a conviction for a violent crime. Only 2% of arrests led to a conviction for possession of a weapon (Gabatt, A., 2013). In other words, the decrease in crime due to stop-and-frisk is mostly due to the discovery of possessed of weapons. Therefore, stop-and- frisk is not an effective procedure to use because it does not represent a huge impact in people’s safety (Gabatt, A., 2013). The author has done research about how police base their initiation towards the procedure of stop-and-frisk. Researchers have found that stop-and-frisk is a crime prevention strategy that gives a police officer the permission to stop a person based on “reasonable suspicion” of criminal activity and frisk based on “reasonable suspicion” that the person is armed and dangerous. This controversy is mainly because of racial profiling. “Reasonable suspicion” was described by the court as “common sense” (Avdija, A., 2013). Although, the
While the stop and frisk program ultimately seems like a great idea and that it will help residents of New York City feel safer while on the streets, there has been much controversy with this program. The issue of racial profiling is largely discussed when talking about NYPD’s stop and frisk program. Besides police officers targeting lower income neighborhoods, more stops are of African Americans or Latinos than of whites. These stops often end up with a higher arrest rate. Of the 685,784 stopped last year, 92% were male and 87% were African American or Latino (Devereaux, 2012).
One of the biggest reason stop-and-frisk should be abolished is in hopes to decrease such blatant racial profiling that has been going on under the name of “stop-and-frisk”. In 2007, 55% of the people stopped in New York were blacks and 30% were Hispanic (“Update: Crime and Race”). When checked again in 2011 a total of 685,000 people were stopped by the police of that 685,000, 52.9% were African Americans, 33.7% were Latino, and 9.3% were white (“Racial Profiling”). There is a story of an innocent victim of the stop-and-frisk policy, a man by the name of Robert Taylor. Police in Torrance stopped the elderly man and claimed he fit the description of a suspect that was linked to a robbery. But there was one simple problem; Taylor is a light complexioned, tall, 60 year-old man and the suspect was believed to be a short, dark complexioned, stocky man in his thirties; nothing like Taylor at all (Hutchinson). His shows that the police do not always stop people based on the right reasons, they tend to stop people based on the color of thei...
A seizure is a short occurrence of symptoms that is caused by a burst of abnormal electrical activity in the brain. Customarily, a seizure lasts from a few seconds to a few minutes. There are different types of seizures not just one. Depending on which part and how much of the brain is affected by the electrical disturbance will determine which type of seizure will occur. Experts divide seizures into five generalized seizures, these include: partial seizures, epileptic/non-epileptic seizures, status epilepticus, gelastic seizures and dacrystic seizures.
Hypertension, known as high blood pressure, affects millions of people, including children, teenagers, and adults. Treatment of hypertension comes in many forms, which includes complete lifestyle and diet modifications (Hypertension: Overview & Facts, n.d.). High blood pressure can damage the heart, brain, and kidneys, without any noticeable symptoms. The effectiveness of case management can control hypertension and prevent the risks for further complications. The case managers can work with patients who have difficulties managing their blood pressure, through the use of medications, as well as self-care management, which includes the modification of lifestyle, and diet, as well as adequate exercise. Research as well as substantial evidence has shown that, individuals can reduce their risk for cardiovascular disease by lowering their blood pressure through lifestyle modifications, medications, or both.
Epilepsy is a neurological disorder characterized by recurrent and uncertain intrusions of normal brain function, called epileptic seizure (Fisher et al., 2005). The word epilepsy was derived from the Greek word “attack”. The primitive Greeks thought epilepsy was contagious, and hence people with epilepsy used to live alone (Dam, 2003). It is one of the oldest conditions known to humankind (WHO, 2001a) and still the most common neurological condition affecting individuals of all ages. At any given time, it is appraise that 50 million individuals worldwide have a detection of epilepsy (WHO, 2001b). Epilepsy is charaterised by the incident of at least two unprovoked events of recurrent disruption in neurological function. Epilepsy is not a single prognosis but is a symptom with many fundamental causes. (Nunes et al., 2012).
Rowland, L. P., ed. Merritt’s Textbook of Neurology. 7th ed. Lea and Febiger. Philadelphia: 1984.
Epilepsy, also known as “seizure disorder,” or “seizure attack,” is the fourth most common neurological disorder known to mankind, affecting an estimated 2.3 million adults and 467,711 children in the United States. Unfortunately this disorder is becoming far more common and widespread worldwide. This staggering number of cases of people suffering from Epilepsy also involves an average growth rate of 150,000 new cases each year in the United States alone. Generally, many of the people who develop who are a part of the new are mainly either young children or older adults. Your brain communicates through chemical and electrical signals that are all specialized for specific tasks. However, through the process of communication, chemical messengers, also known as neurotransmitters can suddenly fail, resulting in what is known as a seizure attack. Epilepsy occurs when a few too many brain cells become excited, or activated simultaneously, so that the brain cannot function properly and to it’s highest potential. Epilepsy is characterized when there is an abnormal imbalance in the chemical activity of the brain, leading to a disruption in the electrical activity of the brain. This disruption specifically occurs in the central nervous system (CNS), which is the part of the nervous system that contains the brain and spinal cord. This causes an interruption in communication between presynaptic neurons and postsynaptic neurons; between the axon of one neuron, the message sender and the dendrite of another neuron, the message recipient. Consequently, the effects that epileptic seizures may induce may range anywhere from mild to severe, life-threatening ramifications and complications. There are many different types of seizures associa...
Racial Profiling or stop and frisking highly occur in the state of New York. The New York City’s Police Department stop and frisk practices raise serious concerns over racial profiling, privacy rights, and illegal stops. The police are stopping hundreds of thousands of law abiding New Yorkers every year, and the vast 84 percent of the stops are black and Latino. People say that stop and frisks are reasonable because they help reduce crime and protect citizens, but stop and frisks do not reduce crime rates and do not keep people safer. There has never been a research that has proven the effectiveness of New York City’s stop and frisk tactic, and the small number of arrests, summonses, and guns recovered demonstrates that the practice is ineffective. Crime Statistics also do not support the claim that New York City is safer because of...
Epilepsy is a neurological disorder that affects the brain causing people to have seizures. A seizure is a big disruption of electrical communication between neurons, leading to the temporary release of excessive energy in a synchronized form Epilepsy is very unpredictable. Having a seizure disorder doesn't mean that you can only have one type of seizure. People can have many different types of seizures; it can vary on the person. In some cases depending on the type of seizures someone may have they can grow out of them. (“Epilepsy Foundation." What Is Epilepsy? N.p., n.d. Web. 09 May 2014.)
This paper is going to discuss the condition Epilepsy. Epilepsy is defined as a disorder of the brain characterized by the recurrence of unprovoked seizures (Shorvon, 2009). Epilepsy starts in your brain, the brain is like a computer, it is made up of a mass of cells, called neurons, which connect to each other in very complicated ways (Routh, 2004). Electrical messages are constantly being passed from one neuron to another down nerves to the muscles in the body (Mair, 2004). If a person has epilepsy, these cells sometimes send a sudden, unexpected burst of electrical impulses, which causes a seizure (Routh, 2004). When the seizure finishes the brain behaves normally again. For some people with epilepsy these seizures happen every day. For others they may happen only once or twice a year (Routh, 2004). There are over 40 different types of seizure and each person is slightly different, but there are a few common types (Routh, 2004). Generalized seizures which affect the whole brain and partial seizures which affect a small part of the brain (Miller, 2013). The most common types of ge...
Hypertension is a disease that effects a third of all Americans (American Heart Association [AHA], 2013, p. 1). The American heart association expects the number of patients living with hypertension to continue to rise (AHA, 2013). Reversing this trend will be of vital importance to the health of our population. Several factors influence hypertension, including access to primary preventative care, the availability of medications, diet and exercise control, diet modifications, and self-care are required to mitigate the effects of persistent hypertension on the body.
The website that has been chosen to be evaluated by me is IKEA’s website. IKEA website is actually one of the profit-making website. The website enables people to choose for their items and make a list before they make a real purchase at the real IKEA store. Basically, IKEA store is a store that provides home furnishing products such as sofas, beds, kitchen stuff, toiletries and some others. And even more, they had a showroom to inspire people to decorate their own house. So, in the website, there is also a preview of the showroom as it will helps for those that did not get a chance to go to the IKEA store.