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The Role of Genetics in Alzheimer's
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Recommended: The Role of Genetics in Alzheimer's
Because I have observed Alzheimer’s disease with my grandmother, I feel compelled to research and learn as much as I can about this dreadful disease. My grandmother was always the most kind-hearted, full of humor and sharp as a tack kind of woman. She would never say a cross word to or about anyone and she always loved to joke around with everyone. She was always very punctual and didn’t forget much of anything and just like the old saying, had a memory like an elephant. My family began to notice changes in her that we couldn’t explain. There were times she would get angry and agitated at the smallest of things. We noticed she was forgetting appointments, and everyday activities which was very out of character for her. Her personality seemed …show more content…
Alzheimer’s disease is a type of dementia that causes problems with memory, thinking and behavior. Sixty to eighty percent of dementia cases are Alzheimer’s making it the most common type of dementia (Morrison & Lyketsos, 2005). Alzheimer’s is a brain disorder. It progressively destroys brain cells which leads to the loss of memory and changes in thought processing. Symptoms of this impairment can include forgetfulness, difficulty with time, language problems or the lack of ability to recognize loved ones. While there is currently no cure for Alzheimer’s, research methods are underway to develop effective treatments and possible ways to prevent the disease (Morrison & Lyketsos, 2005). Alzheimer’s is not completely understood but the effect it has on the brain is pretty straightforward. It is clear that Alzheimer’s disease damages and kills brain cells. When brain cells continue to die, the brain shrinks. (McKhann, et al., 1984). Alzheimer brain tissue has two AN OVERVIEW OF ALZHEIMER’S DISEASE types of abnormalities; Plaques and Tangles. Plaques are abnormal clusters of protein fragments that build up between nerve cells. Tangles are made up of twisted strands of another …show more content…
The exact roles of plaques and tangles in Alzheimer’s is unknown but experts believe that they block communication among nerve cells (Yamasaki, Muranaka, Kaseda, Mimori, & Tobimatsu, 2012). Dr. Alois Alzheimer, a German physician and neuropathologist first identified Alzheimer’s disease in the brain of a 55 year old woman who showed symptoms of severe dementia with the characteristics of pathological features (Chuyi, Chu, Muheremu, & Aikeremujiang, 2015). At this point, scientists do not know exactly what causes Alzheimer’s disease. The likely causes may be a mix of genetic, environmental and lifestyle factors. Several risk factors are associated with Alzheimer’s disease which could include: (Forsythe & Ritzline, 1998) Family History (Hereditary) – A person is at greater risk of developing Alzheimer’s if family members have had it. Gender – More women are affected than men. Age – More common in elderly people Genetics – Two categories of genes: Risk Genes and Deterministic Genes. Both categories have been identified in Alzheimer’s genes by researchers. A diagnosis of Alzheimer’s disease entails histopathologic confirmation. The
Lisa Genova’s grandmother, who was 85 years old, had been showing signs of dementia for years; but she was a smart and independent woman who never complained, and she navigated around her symptoms. Her nine children and their spouses, as well as her grandchildren, passed off her mistakes to normal aging. Then they got the phone call when Lisa’s grandmot...
Hamilton’s psychological perspective of aging seems to be norm for her age. Despite the fact she had two cerebral vascular accidents (strokes), her long-term and short-term memories seemed to be intact. Mrs. Hamilton appropriately answered questions and we reminisced the time when we met for the first time as well as the times we ran into each other at the Arcadia senior center’s educational lectures. Mrs. Hamilton stated she has been experiencing forgetfulness since the strokes and difficulty finding words (aphasia). However, she was able to remember where she wrote my contact number and called me numerous times after our meeting. Mrs. Hamilton was a bookkeeper for her husband’s business and always had outstanding knowledge about investment, finance and businesses aspect of discussion. This is reflective of the Crystallized intelligence which is the information and skills that people have learned through experiences. (Quadagno, 2013, pg.
This is a disease is found in the brain and is caused by a buildup of a protein called tau. Tau slowly kills brain cells. Even after brain trauma has ended this process still continues. There are many symptoms such as memory loss, confusion, impaired judgement, depression, and even aggression.
develops when clumps of abnormal proteins grow in the brain. It grows and grows but at a slow pace , overtime they add up until the brain cells becomes damaged and die. If you are concerned that you or any family member might have some of the symptoms you should talk to your family doctor. The symptoms that you should pay attention to should be:
Nerve cell death and tissue throughout the brain is the most significant affect over time. Naturally by age twenty-five the brain starts to decrease in size. With Alzheimer’s, the amount decrease is extremely significant. The cortex begins to shrivel up which is the part of the brain required for planning, remembering, and thinking. The most noticeable shrinkage occurs in the hippocampus. The hippocampus is responsible for the formation of new memories, it is also located inside the cortex. Upon further inspection under microscope, tissue samples are observed and synapses and nerve cell count is severely decreased. Tangles, are also found which our twisted strands of another protein due to nerve cells dying and bunching together. Plaques and tangles are prime suspects in the death and tissue loss in the Alzheimer’s brain. Beta-amyloid is a chemical and is sticky which causes it to gradually build up into plaques. This chemical derives from a larger protein found in the nerve cells with fatty membranes. These tangles destroy a vital cell transport system made of proteins.
The sixth leading cause of death in the United States, Alzheimer’s disease afflicts approximately 5.2 million persons age 65 and over (Alzheimer's Association, 2012). Rapid growth of the older population as the Baby Boomer generation ages will cause unprecedented increases in the number of individuals with Alzheimer’s. It is estimated that by 2025 the number of Wisconsin residents with Alzheimer’s age 65 and older will increase by 30% to a projected total of 127,000 (Alzheimer's Association, 2012).
of diagnosis is about 80 years old (Johnson, 1989). The incidence is about the same for all races, but women are more likely than men to develop the disease, because they live longer. The second factor is heredity. Family history plays a role in about forty percent of people with early onset of Alzheimer’s (Johnson, 1989). If your parents or a sibling developed the disease, you are more likely to, as well. But there are cases of families with several people who have had this disease and other members are not affected. These two factors are the only proven factors, but environmental research is being done to help with a possible protective effect for the disease. As of now, more research is needed to confirm any be...
...hed and streamlined to allow for earlier diagnosis. In the case of tertiary prevention, the pharmaceutical companies have a huge financial incentive to create a cure for Alzheimer’s but that is not enough. More government funded research should be dedicated towards finding methods to delay or cure Alzheimer’s disease. The baby boomer generation has already entered their 60’s. As people live longer, as a result of new treatments for common killers such as heart disease and cancer, the chances that they will succumb to Alzheimer’s increases. Failing to find preventative or curative measures will be costly. On a personal level, Alzheimer’s disease slowly attacks cognitive function-the higher thought processes; individuals degenerate into infantile dependents. The cost of caring for increasing numbers of such dependents will be a burden on both family and society.
The pathological processes that develop following brain injury inevitably lead to neuronal death, which can be immediate or delayed. Blood brain barrier disruption, resulting in neuronal loss, might also influence the long-term traumatic brain injury complications which are characterized by neuronal death.[66, 67]
In the film, “The Alzheimer’s Project: The Memory loss tapes” there was an 87-year-old woman with Alzheimer disease named Bessie Knapmiller. It seems as Alzheimer runs in her family because her older sister has the same disease. Bessie sister is 93 years old and she has lost her entire memory. Bessie sister does not even remember their family members. However, Bessie stage of Alzheimer is not as bad as her sister, she still drives and still remembers people. At times, Bessie does forget others. Bessie went to take a memory test in May and few months later, when she returned she did not remember her doctor or him giving her the exam. When Bessie took her first memory test she could not remember the previous president before George Bush. She
In this day and age, it seems as though almost everyone has experience a loved one taken away form a very serious disease known as Alzheimer’s disease. Alzheimer’s disease is unbelievably devastating for everyone affected by it. This disease is causing major economical problems such as less occupancy in the nursing homes, and hospitals due to the rising population of elderly men and women being diagnosed with it everyday. Because there is not yet a cure for this disease and the percent of the population being diagnosed keeps rapidly rising, more time and money needs to go towards Alzheimer’s research.
In the field of Psychology you can find an abundance of mental disorders that can have an affect on people all throughout the world. Out of all the mental disorders that can be found around the world, some of them are more well-known and more widespread than others. The following disorders could be described as being well-known and widespread disorders: depression, bi-polar disorder, Alzheimer's, and OCD, which could also be called Obsessive Compulsive Disorder. All of these mental disorders can be very dangerous and possibly deadly if people don't receive the proper care in order to be able to contain these disorders. Out of these very dangerous and possibly deadly disorders, I believe that Alzheimer's is the most interesting disorder. I think that Alzheimer's is the most interesting disorder, because I think we have the least about of knowledge of the Alzheimer's disorder. As a society we still to this day don't have a cure that totally stops this disorder.
progressive disease that destroys memory and other important mental functions. It is the most common form of dementia; a group of brain disorders that results in the loss of intellectual and social skills ("Alzheimer's Disease"). It is the sixth leading cause of death in the United States, and the fifth leading cause of death for people of the age of 65 or older ("2013 Alzheimer's Disease Facts and Figures"). One in every three seniors dies with Alzheimer’s or another dementia, and over 5 million Americans are living with Alzheimer’s disease ("2013 Alzheimer's Disease Facts and Figures").
Alzheimer’s disease is a progressive degenerative disease that attacks the brain and results in impaired memory, thinking and behavior. Alzheimer’s is the most common form of dementia. Dementia is the lost of thinking, remembering and reasoning so bad it screws up ability to do daily functions and eventually resolves in death. Dr. Alois Alzheimer’s first discovered the disease in 1906. Since then research has developed a deeper understanding of the changes in the brain. Warning sign’s of Alzheimer's are memory loss that affects home and job skills, problem in speaking, poor judgment, and difficulty in learning. The last stage of Alzheimer's disease is when you’re unable to take care of yourself. The disease can last from 3 to 20 years from the time of onset of symptoms. Alzheimer’s disease affects as many as 4 million Americans. It can affect almost any age but still is more common in the ederly. As ageing population continues to increase, so does the disease. Today, 3% of the people ages 65 to 75 have alzheimer’s, 10% of those aged 75 to 85 have alzheimer’s and half the age 85 may have it to. Without a new cure it is estimated that alzheimers will affect over 14 million people by 2050. The elderly are the most infected with the disease and its still spreading. Other disease in common with Alzheimer’s is multi-infract dementia, Huntington’s disease, Pick’s disease, and Parkinson disease. People wonder if Alzheimer is genetic “meaning runs in families” the answer is the evidence isn't clear. Doctors and Physicians say if you have a by blood family member with Alzheimer's there's a slightly greater chance of getting or having the Alzheimer's disease. Many wonder if memory loss is a natural part of aging. The answer is yes and no, everyone has forgotten where he or she parked their car or the name of an acquaintance a one time or another. And many healthy individuals are less able to remember certain kinds of information as they get older. The symptoms of Alzheimer's disease are much more severe than simple memory lapses. This chart will kinda help you understand the difference.
She seemed to be stuck in time, for example, the only person she could really remember was her husband who passed about 14 years ago, everyday she waited for this man that was never going to come back. I thought that it was unusual because she had only had it for 8 years so I didn’t understand how she couldn’t remember anybody before that. I wanted to be able to comprehend what was happening in her mind.