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  • Küçük Resim
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    Comparing of learning and memory functions of patients with prodromal vascular dementia and prodromal alzheimer’s disease with healthy control group
    (2018) Dinç, Dilem; Aslan, Aslı; Kudiaki, Cigdem; Özğe, Aynur
    It is known that learning and memory impairments are at the forefront in both patients with prodromal Alzheimer’s dementia (pAD) and those with prodromal vascular dementia (pVD). In pAD, learning and memory impairments are predominantly prominent. On the other hand, pVD is characterized by impairments in various areas, mainly in the executive functions. This is a preliminary study aimed at comparing the learning and memory functions of patients diagnosed with pVD and pAD in terms of their incidental recall, delayed recall, and learning. A total of 100 adults, comprising 42 females and 58 males participated in the study. A total of 26 patients with a clinical diagnosis of pAD (N = 14) and pVD (N = 12) were compared with 74 cognitively healthy people. The scores for pAD and pVD groups were significantly lower than those of the healthy individuals, and the pAD group achieved the lowest scores in all the trials. The scores of the pVD group were lower than those of the healthy group but higher than those of the pAD group. The number of learning trials were higher than that of control group for both pAD and pVD. In other words, pAD and pVD groups needed more learning trials to remember. Overall, pVD group was able to learn more materials compaired to pAD. The findings of this study could be considered as useful in differentiating the two groups for neuropsychological evaluation.
  • Küçük Resim
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    Comparison of the original and parallel forms of the three words-three shapes test
    (2018) Dinç, Dilem; Kudiaki, Cigdem; Aslan, Aslı
    Objective: The Three Words-Three Shapes test is a moderately difficult memory and learning test, which is very suitable for use in clinical applications. It allows the evaluation of both verbal and non-verbal materials in the same modality. Because neuropsychological evaluations may be repeated with certain intervals to follow a patient’s progress, in situations where the progress of particularly degenerative diseases (e.g., Alzheimer or Parkinson-type dementia, primary progressive aphasia) need to be followed up, a parallel form of the test must be employed. Although normative data can be found for the original form of the test, the absence of data about the equivalency of its parallel form reduces the reliability of the test. Therefore, the aims of this study were to obtain normative data on the parallel form and compare the data on the parallel and original forms. Materials and Methods: One hundred seventy-nine participants aged 50 to 84 years with no neurologic or psychiatric disorders were included in the study. Pre-evaluations of potential participants were performed using the Standardized Mini-Mental State Examination and Geriatric Depression Scale, and the individuals who scored above the cut-off points set for Turkey were included in the study. Results: The average scores for the original and parallel forms of the test were found to have good agreement when they were applied with two-week intervals. According to the results of the correlation analysis, the correlation between incidental recall, acquisition and delayed recall subtests were significant. For the results that indicated no significant correlation for the copying and recognition subtests, separate charts of score frequencies are presented. Conclusion: The observed values indicate that both forms of the three words-three shapes test can be reliably employed in parallel. Keywords: Three Words-Three Shapes test, neuropsychological test, Alzheimer, elderly
  • Küçük Resim
    Öğe
    Görsel ve sözel modalitede bellek ve öğrenme performanslarının 50 yaş ve üstü türkiye örnekleminde karşılaştırılması: 3k3ş, mantıksal bellek testi
    (2018) Dinç, Dilem; Aslan, Aslı; Kudiaki, Cigdem
    Normal yaşlanmayı bilişsel bozulmanın oluştuğu hastalıklardan ayırt etmeyi sağlayan en önemli testlerden birisi de Weschler Bellek Testi’nin (WMS) İşitsel Bellek İndex bölümünde yer alan Mantıksal Bellek alt testidir. Üç kelime üç şekil (3K3Ş) testi de görsel modalitede hem sözel hem de görsel bilgiyi değerlendirmesi, ayrıca kısa olması ve kullanım kolaylığı sağlaması nedeniyle ülkemizde sık kullanılan bir bellek ve öğrenme testidir ve bu test de normal yaşlanmayı diğer demanslardan kolaylıkla ayırt edebilmemizi sağlar. Bu araştırmada hem her iki testin de normatif datası toplanmıştır hem de Mantıksal Bellek alt testine tanıma ve ipuçlu hatırlama alt testleri eklenerek bu iki alt teste dair ülkemize ait normatif değerlerin oluşturulması hedef alınmıştır. Çalışma 50 yaş ve üzeri toplam 389 sağlıklı katılımcıdan oluşmuştur. Yapılan Lineer Regresyon analizi sonuçlarına göre katılımcıların kaç yıl eğitim aldıkları yaşları ve cinsiyetlerinin hem 3K3Ş Testini hem de Mantıksal bellek testlerini yordadığı bulunmuştur. Buna göre katılımcıların eğitim süreleri azaldıkça ve yaşları arttıkça 3K3Ş alt testlerinden şekil ve kelime bölümlerinden ve Mantıksal Bellek Testlerinden aldıkları puanlar da azalmaktadır.