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It is the most common early presenting dementia. [16] FTD is the second most prevalent type of early onset dementia after Alzheimer's disease. [15] [10] The International Classification of Diseases recognizes the disease as causative to disorder affecting mental and behavioural aspects of the human organism.
The third reason is the "memory self-efficacy," which indicates that older people do not have confidence in their own memory performances, leading to poor consequences. [17] It is known that patients with Alzheimer's disease and patients with semantic dementia both exhibit difficulty in tasks that involve picture naming and category fluency.
1. Alzheimer's disease: know the symptoms. Alzheimer's disease "is an illness of the brain that occurs primarily in older people where brain cells start to die," Devi says.
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]
Pre-dementia or early-stage dementia (stages 1, 2, and 3). In this initial phase, a person can still live independently and may not exhibit obvious memory loss or have any difficulty completing ...
“Dementia can affect the frontal and temporal lobes [of the brain], causing issues with object recognition. It can also affect the occipital lobes, causing issues with visual processing.
Due to the early onset of PCA in comparison to AD, images taken at the early stages of the disease will vary from brain images in AD. At this early stage brain atrophy will be shown to be more centrally located in the right posterior lobe and occipital gyrus, while AD brain images show the majority of atrophy in the medial temporal cortex.
Dementia refers to a large class of disorders characterized by the progressive deterioration of thinking ability and memory as the brain becomes damaged. Dementia can be categorized as reversible (e.g. thyroid disease) or irreversible (e.g. Alzheimer's disease). [12] Currently, there are more than 35 million people with dementia worldwide.