In this Thesis the possibilities of using ultrasound in speech and language therapy in the field of diagnostics and therapy are summarized and presented. In order to reach the effective management of the ultrasound we have to be familiar with the ultrasound anatomy or changes of the speech organs structure and operational changes, physical principles of ultrasound and ultrasonic device. In the introduction the anatomical characteristics of active and passive organs involved in speech production, which can be observed by ultrasound, are described. In the following pages of this Thesis, we focused on the development and availability of means of image display, which can show the whole language and the rest of the articulator, with a focus on ultrasound. The history and development of an ultrasound machine as well as the physical, technical and medical characteristics of ultrasound are described. The objective of the master's thesis is to explore where within the speech diagnostics and therapy we can use ultrasound, which information are obtained by an ultrasound image, what is the procedure for the use of ultrasound and what are its strengths, weaknesses and potential obstacles. Master's Thesis in conclusion provides an overview of technical texts and research reports in which ultrasound was used to investigate the potential possibilities and effectiveness of this method in various areas within the Speech Pathology and indicates directions of work and education of speech therapists and students in this field.
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