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    Biomaterials for improving the blood and tissue compatibility of total artificial hearts (TAH) and ventricular assist devices (VAD)
    (Woodhead Publ Ltd, 2011) N/A; Department of Mechanical Engineering; Erbulut, Deniz Ufuk; Lazoğlu, İsmail; Researcher; Faculty Member; Department of Mechanical Engineering; School of Medicine; College of Engineering; 37661; 179391
    This chapter reviews biomaterials used for artificial hearts and ventricular assist devices. the chapter identifies some of the commercially available cardiac devices and the materials used within, stretching the most important polymers, metals and ceramics. It then discusses the interaction between blood/tissue and biomaterials and subsequently the way of refinement of biomaterials in order to achieve optimum performance. the chapter includes also the evaluation of biomaterials in terms of their blood and tissue compatibility and related international standards.
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    Early language-specificity of children's event encoding in speech and gesture: evidence from caused motion in Turkish
    (Taylor & Francis, 2014) Furman, Reyhan; Department of Psychology; Department of Psychology; Özyürek, Aslı; Küntay, Aylin C.; Faculty Member; Faculty Member; Department of Psychology; College of Social Sciences and Humanities; College of Social Sciences and Humanities; N/A; 178879
    Previous research on language development shows that children are tuned early on to the language-specific semantic and syntactic encoding of events in their native language. Here we ask whether language-specificity is also evident in children's early representations in gesture accompanying speech. In a longitudinal study, we examined the spontaneous speech and cospeech gestures of eight Turkish-speaking children aged one to three and focused on their caused motion event expressions. In Turkish, unlike in English, the main semantic elements of caused motion such as Action and Path can be encoded in the verb (e. g. sok-'put in') and the arguments of a verb can be easily omitted. We found that Turkish-speaking children's speech indeed displayed these language-specific features and focused on verbs to encode caused motion. More interestingly, we found that their early gestures also manifested specificity. Children used iconic cospeech gestures (from 19 months onwards) as often as pointing gestures and represented semantic elements such as Action with Figure and/or Path that reinforced or supplemented speech in language-specific ways until the age of three. In the light of previous reports on the scarcity of iconic gestures in English-speaking children's early productions, we argue that the language children learn shapes gestures and how they get integrated with speech in the first three years of life.