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  • Title: Neuropsychological Profiles in Mild Cognitive Impairment due to Alzheimer's and Parkinson's Diseases.
    Author: Hessen E, Stav AL, Auning E, Selnes P, Blomsø L, Holmeide CE, Johansen KK, Eliassen CF, Reinvang I, Fladby T, Aarsland D.
    Journal: J Parkinsons Dis; 2016 Apr 02; 6(2):413-21. PubMed ID: 27061068.
    Abstract:
    BACKGROUND: Neuropsychological comparisons between patients with mild cognitive impairment due to Parkinson's disease (MCI-PD) and Alzheimer's disease (MCI-AD) is mostly based on indirect comparison of patients with these disorders and normal controls (NC). OBJECTIVE: The focus of this study was to make a direct comparison between patients with these diseases. METHODS: The study compared 13 patients with MCI-PD and 19 patients with MCI-AD with similar age, education and gender. The participants were recruited and assessed at the same university clinic with equal methods. RESULTS: The main finding was that on group level, MCI-AD scored significantly poorer on learning and memory tests than MCI-PD, whereas MCI-PD were impaired on 1 of 3 measures of executive functioning. CONCLUSION: MCI-AD performed poorer learning and memory tests, whereas MCI-PD only scored below the employed cut-off on one single executive test. In general, MCI-PD was noticeably less cognitively impaired than MCI-AD.
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