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[Download] "Selective Visual Attention to Novelty in Elderly with Senile Dementia of the Alzheimer's Type" by Nina Engelhardt # eBook PDF Kindle ePub Free

Selective Visual Attention to Novelty in Elderly with Senile Dementia of the Alzheimer's Type

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eBook details

  • Title: Selective Visual Attention to Novelty in Elderly with Senile Dementia of the Alzheimer's Type
  • Author : Nina Engelhardt
  • Release Date : January 19, 2013
  • Genre: Medical,Books,Professional & Technical,
  • Pages : * pages
  • Size : 8460 KB

Description

Selective visual attention to novel stimuli was evaluated in 23 nondemented elderly and 42 elderly with probable Alzheimer's disease (AD). Relationships among selective visual attention, cognitive function, and stage of dementia were assessed. All older adults, regardless of presence or stage of dementia, exhibited visual preference for novel stimuli. The test of selective visual attention to novelty discriminated nondemented from demented individuals, but did not discriminate among mild, moderate, and severe stages of dementia. The relationship between selective visual attention to novelty and cognitive function as measured by the Mini-Mental State Exam (MMSE) and Peabody Picture Vocabulary Test-Revised was nonsignificant. A significant relationship between selective visual attention to novelty and MMSE scores was obtained by combining data from the present and preliminary studies. Decline in preference for novel visual stimuli followed a decline in MMSE scores corresponding to mild, moderate, and severe levels of cognitive impairment. Initial investigations of selective attention to novelty demonstrate that visual novelty preference appears to be a process that is continuous from birth to senescence and appears to be relatively spared in individuals with brain damage who otherwise exhibit gross cognitive impairment. The test of selective visual attention may serve as an alternate means of assessing cognitive function in impaired individuals for whom conventional measures are inappropriate. Examination of selective visual attention to novelty may allow the study of certain aspects of human memory across the lifespan using a common paradigm across age.


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