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  2. Sensory loss - Wikipedia

    en.wikipedia.org/wiki/Sensory_loss

    For humans, this range is approximately 20 Hz to 20 kHz at ~6.5 dB, although a 10 dB correction is often allowed for the elderly. [1] Primary causes of hearing loss due to an impaired sensory system include long-term exposure to environmental noise, which can damage the mechanoreceptors responsible for receiving sound vibrations, as well as ...

  3. Dementia - Wikipedia

    en.wikipedia.org/wiki/Dementia

    The symptoms of this dementia depend on where in the brain the strokes occurred and whether the blood vessels affected were large or small. [13] Repeated injury can cause progressive dementia over time, while a single injury located in an area critical for cognition such as the hippocampus, or thalamus, can lead to sudden cognitive decline. [72]

  4. The 7 Stages of Dementia: What They Are & What To Expect - AOL

    www.aol.com/lifestyle/7-stages-dementia-expect...

    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 ...

  5. Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Alzheimer's_disease

    It is the cause of 60–70% of cases of dementia. [2] [15] The most common early symptom is difficulty in remembering recent events. [1] As the disease advances, symptoms can include problems with language, disorientation (including easily getting lost), mood swings, loss of motivation, self-neglect, and behavioral issues. [2]

  6. Visual selective attention in dementia - Wikipedia

    en.wikipedia.org/wiki/Visual_selective_attention...

    Alzheimer's disease is the most common form of dementia, which approximately two thirds of individuals with dementia are diagnosed with. [7] It is the major cause of dementia in older adults. [ 8 ] AD has an insidious onset with worsening prognosis, and results in deterioration in memory, spatial abilities, language, and many other cognitive ...

  7. Study detects early Alzheimer's 'stealth' phase before ... - AOL

    www.aol.com/study-detects-early-alzheimers...

    Alzheimer’s disease, the most common form of dementia, affects around 7 million people in the United States alone. It is a progressive disease that gradually affects memory, thinking and ...