later the person may become confused and may find it difficult to understand what is being said. Vascular dementia This describes all forms of dementia caused by damage to the blood vessels to the brain Symptoms can occur suddenly after a stroke or over time through a series of small strokes known as multi infarct dementia. Lewy bodies This form of dementia gets its name from the tiny spherical structures made of proteins that develop inside nerve cells . their presence inside the brain leads to the degeneration and death of brain tissue affecting memory , concentration and language skills . People with lewy bodies often suffer hallucinations.
Vascular dementia is caused when there is a reduction in the blood flow to the brain. Over time, this can damage the parts of the brain which play a large part of a person memory, speech and attention. A stroke can play a part in this type of dementia when it narrows the blood vessels to the brain. Dementia with Lewy Bodies is caused by lumps of protein which builds up inside nerve cells inside the brain, the proteins damage the nerve cells and how they work, these nerves are responsible for thinking, memory and movement of a person. Dementia with Lewy Bodies can be closely related to Parkinsons Disease and there is a theory that Dementia with Lewy Bodies interferes with two neurotransmitters called dopamine and acetylcholine which assist in the brains functions.
As the mass impedes on the brain or blood vessels, symptoms such as seizures and speech problems can occur. Epilepsy, classified as a brain disorder, occurs when a group of nerves in the brain generate abnormal electrochemical impulses. These impulses cause stroke-like symptoms including strange sensations, irrational behaviour, muscle spasms, convulsions and loss of consciousness. A hemiplegic migraine is a specific type of migraine headache that often runs in families. Migraines, throbbing pain in one area of the head, are often accompanied by nausea, vomiting and sensitivity to light and/or sounds, according to the Genetics Home Reference.
The doctor will ask for a complete description of what happened. Often it is important to bring along a family member or someone else who saw the seizure and can tell the doctor what happened, since the person who had the spell may have been unconscious. Even if the person thinks that he or she was aware, there may be important aspects of the spell that are not recalled. The doctor will want to hear not only a description of the seizure itself, but also the story of the events leading up to it and the after-effects that followed it. The doctor then will thoroughly examine the person and probably will order several tests.
Diseases Affecting the Immune System Amyotrophic lateral sclerosis, or ALS, is a disease of the nerve cells in the brain and spinal cord that control voluntary muscle movement. The cause of ALS is unknown and also referred to as Lou Gehrig’s disease. The progressive degeneration of the motor neurons in ALS eventually leading to their death. When the motor neurons die, the ability of the brain to initiate and control muscle movement is lost. With voluntary muscle action progressively affected.
Gastroparesis is usually caused by damage to the vagus nerve which regulates stomach function, but can also be caused by other factors.1.2 Gastroparesis causes many irritating symptoms. Diagnostic exams and treatments exist to diagnose and treat the symptoms of the disorder, but no cure is yet available. The vagus nerve, which is responsible for many sensory and motor responses of the intestine, can be damaged due to esophageal or gastric surgery. 1,2 The vagus nerve sends neurotransmitter impulses to the smooth muscle of the stomach that result in contraction and forward propulsion of gastric contents. If the vagus nerve is injured during surgery, gastric emptying may not occur.
In addition to this, the connections between affected nerve cells deteriorate. As the disease progresses, it spreads and affects cells in other parts of the brain. Day to day memory problems are first noticed but other symptoms include not knowing the right words anymore, problem solving, decision making or 3 dimensional perception. * Vascular dementia is caused when the brain is deprived of oxygen. This happens when the arteries which carry oxygenated blood to the brain can't get there and the brain, or part of it, dies.
Alzheimer's disease affects the brain through exponentially greater cell death and tissue loss, resulting in a decreased brain size. As a result, behavior, memory and thinking are affected. Vascular dementia is caused by blockages and breaches in the brain's blood supply that damage the brain and can be caused by any condition which results in an interruption to the blood flow to the brain, and as well as strokes, this could include diseased arteries, heart attacks, high blood pressure, raised cholesterol, diabetes, furred arteries and irregular heart rhythms. Any condition causing damage to the circulation of blood to the brain carries a risk to mental functioning. People experiencing vascular dementia will, like those with Alzheimer’s disease, have problems with learning, remembering, recognition, planning and problem solving.
Doctors can only speculate what causes it and why it affects everyone differently. Not only does this disease affect those afflicted by it, but their families as well, changing lives forever. Jean-Martin Charcot first identified Multiple Sclerosis in 1868. The name Multiple Sclerosis literally means “scar tissue in multiple areas” namely in the area between the spinal column in the brain and the brain itself. Though he did not know what caused it, Charcot was able to write down a full description of the disease.
During an attack, the blood vessels in the brain dilate and then draw together with stimulation of nerve endings near the affected blood vessels (Worden, 1998-2011). These changes to the blood vessels are probably what cause the pain. But migraine is still a condition that is poorly understood (Worden, 1998-2011). Causes Many times we don’t realize that certain things that we eat and do can affect our health. Sometimes the light and smells could have an effect on this disorder but the reasons why are still not known.