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).
The Cerebral Hemispheres. The Telencephalon (the cerebral hemispheres) is the largest of the divisions of the human brain, and it is what subserves language â at least the aspects of language which are of interest to linguistics and most other people.