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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]
Frontal lobe syndrome can be caused by a range of conditions including head trauma, tumours, neurodegenerative diseases, neurodevelopmental disorders, neurosurgery and cerebrovascular disease. Frontal lobe impairment can be detected by recognition of typical signs and symptoms, use of simple screening tests, and specialist neurological testing.
Frontal release signs are primitive reflexes traditionally held to be a sign of disorders that affect the frontal lobes. The appearance of such signs reflects the area of brain dysfunction rather than a specific disorder which may be diffuse, such as a dementia, or localised, such as a tumor. [1] One reflex thought to have good localizing value ...
The PA news agency takes a closer look at the disease, also known as FTD
Alzheimer’s UK says that FTD symptoms are “very different” to other more common types of dementia, such as day-to-day memory loss – adding that in the early stages of the disease, many ...
The first signs of frontotemporal dementia are usually the loss of the ability to speak or understand language (aphasia), which occurs when the temporal lobes are affected by the buildup of ...
Frontotemporal lobar degeneration (FTLD) is a pathological process that occurs in frontotemporal dementia. It is characterized by atrophy in the frontal lobe and temporal lobe of the brain, with sparing of the parietal and occipital lobes. [1] [2]
The inferior frontal gyrus is the specific part of the frontal lobe [9] responsible for generating stop processes. [10] [11] [12] Hence, when a patient experiences frontal lobe dysfunction, the inferior frontal gyrus is impacted, resulting in movement perseveration (an abnormal prolongation of current activity), [13] and appearance of the ...
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