User authentication (UA) is the process by which biometric techniques are used a person to gain access physical or virtual site. UA has been implemented in various applications such as financial transactions, data privacy, and control. Various techniques, facial fingerprint recognition, have proposed for healthcare monitoring address recognition problems. Photoplethysmography (PPG) technology a...

Does memory retrieval occur in a continuous or an all-or-none manner? The shape of the receiver operating characteristic (ROC) has been used to answer this question, with curvilinear and linear memory ROCs indicating continuous and all-or-none retrieval processes, respectively. Signal detection models (e.g., the unequal variance model) correspond to a continuous retrieval process, whereas thres...

aim and background: it has been shown in several studies that, students with mathematics learning disabilities have memory problems. this research compares memory profile of students with and without mathematics learning disabilities. methods and materials: the design of research was cross-sectional with causal-comparative method. the statistical population were 3 rd grade student boys in isfah...