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Yıl:2014; Cilt: 1; Sayı: 2>> Özet
TAM METİN
The Journal of Neurobehavioral Sciences; 2014;1(2):8-12
Alzheimer Hastalığında Erken Tanı Yeni Bir Kimlik mi Kazanıyor: Alzheimer Hastalığında Bir ERP Biyomarkeri Olarak Koku Disfonksiyonu
FK Krzan
Üsküdar Üniversitesi, İstanbul
Koku alma sistemi bizim çevre ile etkileşimimizde hayatta kalmamız sağlayan, sadece koku algılamayı değil aynı zamanda beslenme, sosyal davranış ve iyi olma halini etkileyen hayati bir mekanizmadır. Güncel bulgular, koku bilgi işleme alanlarında fonksiyon bozukluğunun, Alzheimer hastalığının (AH) erken aşamalarında, erken bunamayı yansıtan herhangi bir bilişsel gerileme başlamadan da mevcut olduğunu göstermektedir. Koku eşikleri, koku tanımlama, tanıma bellek görevleri koku ölçümü için kullanılan en yaygın davranış testi türleridir. Ancak, beyin yanıt ölçülerini kullanan yeni nörogörüntüleme teknikleri Alzheimer hastalığının klinik öncesi aşamasında, Koku Olaya İlişkili Potansiyeller’in (KOİP), hastalığın tespitinde önemini vurgulamaktadır. Koku olaya ilişkin potansiyeller’in (KOİP) Alzheimer hastalığı ile ilişkisi ve önemi çok umut verici görünmektedir.
Is detecting early onset of Alzheimer's disease is gaining a “new identity”? Olfactory dysfunction as an ERP Biomarker of Alzheimer’s disease. 
The olfactory system is vital mechanism for our survival to interact with the environment, influencing not only on odor detection but also on nutrition, social behavior and well-being. Current findings suggest that before the onset of any cognitive decline reflecting early sing of dementia, dysfunction in the areas processing olfactory information is present at the early stages of Alzheimer’s disease (AD). Behavioral test including thresholds, odor identification, recognition memory tasks are the most common types of odor measurement. However, recent neuroimaging techniques using measures of brain response, including Olfactory Event Related Potentials (OERPs) suggested the potential for detection of AD at the early preclinical stage. The importance of olfactory event related potentials and their relation with AD appear to be very promising.

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