TY  - JOUR
T1  - Algısal Karar Verme Süreçleri Çerçevesinde İnsan Hareketlerini Tanıma
TT  - Visual Perception of Human Actions in the Perceptual Decision-making Framework
AU  - Ürgen, Burcu A.
AU  - Evsen, Şeyda
PY  - 2024
DA  - May
Y2  - 2024
DO  - 10.31682/ayna.1344345
JF  - AYNA Klinik Psikoloji Dergisi
PB  - ODTÜ- AYNA Klinik Psikoloji Destek Ünitesi
WT  - DergiPark
SN  - 2148-4376
SP  - 233
EP  - 249
VL  - 11
IS  - 2
LA  - tr
AB  - İnsan olmayan primatlarla yapılan nörofizyolojik çalışmalar, algısal karar vermeyi iki aşamalı bir süreçle karakterize etmektedir: 1) duyusal kanıt birikimi (accumulation of sensory evidence), 2) yanıt seçimine yol açan karar sınırı (decision bound). Bu çalışmalar yaygın olarak rastgele nokta hareketi uyaranlarını kullanmış ve hareket uyaranlarının uyumluluğu arttıkça lateral intraparietal bölge (LIP)'deki nöronların ateşleme hızının arttığını ve davranışsal tepki süresinin azaldığını göstermiştir. Son zamanlarda insanlarda yapılan EEG çalışmaları, LIP nöronları ile benzer fonksiyonel özellikler gösteren ve duyusal kanıt birikimi süreci ile ilişkili olan CPP (Centro-Parietal Positivity) olaya ilişkin potansiyelini ortaya çıkarmıştır. CPP bileşeninin parametrelerinin alınan kararlara dair önemli bilgiler taşıdığı gösterilmiştir. Ancak, bugüne kadar yapılan çalışmalar, süreci en temel haliyle anlayabilmek için basit ve düşük seviyeli uyaranlar kullanmıştır. Algısal karar verme süreçlerinin, canlıların ve özellikle de insanların eylemleri gibi daha karmaşık ve sosyal olarak daha anlamlı uyaranlar (biyolojik hareket) işlenirken benzer olup olmayacağı cevabı henüz bilinmeyen bir sorudur. Başka bir deyişle, bugüne kadar yapılan çalışmalarla ortaya çıkarılan algısal karar verme süreçlerinin, uyarandan bağımsız, genel-geçer süreçler olup olmadığı bilinmemektedir. Bu derleme makalede, insan eylemlerinin tanınmasında rol oynayan algısal karar verme süreçleri ve bu süreçlerin nörofizyolojik temellerini araştırılmasının önemi üzerinde durulmuş ve bu çalışmalara yön veren ve daha basit uyaranlar ile yapılmış algısal karar verme çalışmalarının bir derlemesi sunulmuştur. Sonuç bölümünde, bu alanda yapılacak araştırmaların gerek klinik popülasyonlar (psikolojik ve nörolojik rahatsızlıklar) için teşhis ve tedavi geliştirmede, gerekse insan hayatının refahını yükseltecek yapay zekâ teknolojileri geliştirmedeki öneminden bahsedilmiştir.
KW  - algısal karar verme
KW  - biyolojik hareket algısı
KW  - CPP
KW  - EEG
KW  - görsel algı
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UR  - https://doi.org/10.31682/ayna.1344345
L1  - https://dergipark.org.tr/tr/download/article-file/3337557
ER  -