Alzheimer’s brains have a significant reduction in neurons and decreased production of cells that transmit information, leading to impaired cognitive abilities. The disease also damages the cortex and can cause inflammation and mini-strokes, leading to confusion and paranoia.
The brain of an Alzheimer’s differs from that of a healthy brain with a significant reduction in neurons. The Alzheimer’s brain will also show a reduced size due to decreased production of cells that transmit information. Cognitive abilities are severely impaired due to physical changes in the brain of a patient with Alzheimer’s disease.
In a normal adult brain, there are several billion cells related to the neurological response. As Alzheimer’s progresses, however, many of these essential cells that provide the communication for various responses are killed off. Logic, reasoning, and memory are some of the responses that are jeopardized by the disease in an Alzheimer’s brain. Alzheimer’s brains may also have a significant amount of plaque in the arterial walls as well.
Those with healthy brains can perform everyday tasks and activities with relative ease. The communication models are clear and consistent. With Alzheimer’s brain, the patient typically will have difficulty with simple tasks and with short-term memory. Confusion can arise to a great extent.
In Alzheimer’s brains, the patent cortex can become severely damaged over time. This layer of the brain can dry out and deteriorate. The cortex of a healthy brain will be able to retain memory memories and control motor function. Those with Alzheimer’s, however, may have a malfunctioning cortex due to dying tissue.
Medical scientists who examine the brain affected by Alzheimer’s disease through microscopic slides will often notice changes that differentiate it from that of a normal brain. Scientists may find substances such as high levels of aluminum in the brain of an Alzheimer’s patient. Amino acids may also be prevalent to a greater extent.
Basically, the difference between a normal brain and an Alzheimer’s brain is how each will ultimately function. With Alzheimer’s, the confusing symptoms characterized by memory loss are only part of the big picture. In this form of frontotemporal dementia, the patient may eventually develop paranoia as well.
A normal brain can appreciate a logical explanation and reasoning of a situation. The person with Alzheimer’s, however, may falsely accuse someone of bad intentions, or not see the situation for what it really is. It is not uncommon for people with Alzheimer’s to become irrationally suspicious of the intentions of others.
While a healthy brain is usually clear and free from lesions, the brain with Alzheimer’s disease can be inflamed. Deterioration due to cellular corrosion is another factor seen in the Alzheimer’s brain. These can manifest themselves in the form of small or mini-strokes which can be detected on a computed tomography (CT) scan.
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