Career Description of an Echo Technician. Echocardiography is one of the specializations that may be chosen by an ultrasound technician. Professionals in this field use sound wave projectors to project sound into human tissue in a conical or rectangular beam.
In most people, the left side of the brain contains the person's language functions. The right side contributes to a number of functions, such as attention, memory, reasoning, and problem solving (all of which contribute to effective communication).
Localizing language in the brain: Study pinpoints areas of the brain used exclusively for language. FULL STORY. A map of the different brain areas that are active while a subject performs a language task (red) and a cognitive control task (blue), showing that nearby but distinct regions are used for each activity.