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As well as this, it is common to incur an elevated blood protein level and a high volume of lymph cells within the cerebrospinal fluid, resulting in swelling and enlargement of the brain. The most characteristic signs and symptoms experienced by patients with cerebellar degeneration include: [2] [4] muscle weakness; an uncoordinated, staggering ...
In brain tissue, atrophy describes a loss of neurons and the connections between them. Brain atrophy can be classified into two main categories: generalized and focal atrophy. [2] Generalized atrophy occurs across the entire brain whereas focal atrophy affects cells in a specific location. [2] If the cerebral hemispheres (the two lobes of the ...
Signs and symptoms are classified into three groups based on the affected functions of the frontal and temporal lobes: [8] These are behavioural variant frontotemporal dementia, semantic dementia, and progressive nonfluent aphasia. An overlap between symptoms can occur as the disease progresses and spreads through the brain regions. [14]
The hallmark symptom of LATE is a progressive memory loss that predominantly affects short-term and episodic memory. [1] This impairment is often severe enough to interfere with daily functioning and usually remains the chief neurologic deficit, unlike other types of dementia in which non-memory cognitive domains and behavioral changes might be noted earlier or more prominently. [1]
HD is characterized by loss of medium spiny neurons and astrogliosis. [30] [31] [32] The first brain region to be substantially affected is the striatum, followed by degeneration of the frontal and temporal cortices. [33] The striatum's subthalamic nuclei send control signals to the globus pallidus, which initiates and modulates motion.
Women can face a range of brain issues, but there are a few in particular as women age that are more common, including Alzheimer's Disease. Women can face a range of brain issues, but there are a ...
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...
Attention is a broad construct that refers to "the cognitive ability that allows us to deal with the inherent processing limitations of the human brain by selecting information for further processing". [55] Since the human brain has limited resources, people use their attention to zone in on specific stimuli and block out others. [citation needed]