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BACKGROUND: Technology is widely used in school to assist students with visual impairments. Drawing with traditional methods is still difficult for those users. In this paper, we present and discuss an evaluation of a haptic and sound interactive drawing program (HIPP). OBJECTIVE: The aim of the study was to identify what aspects of the technological aid support the drawing skill development in ch
Everyday driving relies on cognitive functions such as visual search, change detection and predictive attention for maintaining a high-level mental model of the world. Such functions are especially constrained by limited cognitive resources under complex conditions. Understanding the manner in which environmental complexity influences cognitive driving performance is key to improving road safety a
Fluorescence microscopy was used to investigate the conformational changes of individual T4 DNA molecules induced by different compacting agents, namely the cationic surfactants, cetyltrimethylammonium bromide (CTAB) and chloride (CTAC), iron(III), lysozyme, and protamine sulfate. A protocol for establishing size estimates is suggested to obtain reproducible results. Observations show that in the
Early childhood educational centers (ECEC) are contexts where young children make their first contact with specific, culturally determined rules, practices, and values. Only a few studies have analyzed in-depth the practices through which the educators direct the children’s action and attention while they are performing routine educational activities. By means of detailed transcription of educator
Directed movement is fundamental to animal behavior, yet the mechanisms underlying robust orientation remainincompletely understood. The ball-rolling dung beetle offers a unique model system for investigating these mechanismsdue to its distinctive navigational challenges: maintaining a straight-line trajectory while moving backwardand transporting a dung ball. In this thesis, I investigates orient
