Computer-based Cognitive Rehabilitation Program for Older People With Mild Cognitive Impairment and Mild Dementia

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This study extends on the positive results of a pilot study (Lim et al., 2012) which demonstrated the effectiveness of a cognitive training program combined with perceptual and semantic memory encoding strategies. Following the intervention phase of the pilot study, elements of cognition were examin...

This study extends on the positive results of a pilot study (Lim et al., 2012) which demonstrated the effectiveness of a cognitive training program combined with perceptual and semantic memory encoding strategies. Following the intervention phase of the pilot study, elements of cognition were examined using standardised assessments. The participants showed improved general attention (p = 0.03), memory (p = 0.03) and cognitive function including naming (p = 0.02), construction (p = 0.01), memory (p = 0.02) and similarities (p = 0.001) all of which are necessary for functioning in daily activities. However, due to the combination of strategies used during the pilot study, the isolated effect of perceptual and semantic memory encoding strategies could not be determined. It has been found that the effects of aging impact negatively on both semantic and perceptual encoding. However, with age, there tends to be a greater impact on an individual's ability to use perceptual encoding strategies in comparison to those of semantic (Kuo, Liu, Ting, & Chan, 2014). This varies in the case of individuals in the early stages of Alzheimer's disease in which many individuals will show progressive impairment in semantic memory (Hodges & Patterson, 1995). As dementia has been positively correlated with Mild Cognitive Impairment (MCI) but not often diagnosed until much later in the course of the disease and as not all individuals with MCI will progress to dementia it would be beneficial prior to undertaking a memory encoding intervention program to understand if an individual would benefit greater from undertaking a semantic or a perceptual memory encoding rehabilitation approach. Although it may be easy for a healthy adult to report their preference in encoding style, an individual with MCI or mild dementia may find this more difficult due to the abstract complexity of the concepts. As it is known that not all cases of MCI progress to dementia, this study aims at identifying if individuals with MCI or mild dementia will benefit from intervention based on both semantic and perceptual encoding styles. In addition, given the benefit and successful use of computer-based programs in elderly, this study will develop the memory encoding training program into a user-friendly computer-based program in which the older adults with MCI or mild dementia will be able to use under the guidance of rehabilitation professionals.

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