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 left part of the temporal lobe, for example, helps children acquire language. It makes the correlation between sounds heard and things seen or otherwise experienced. The left brain seems to be what side of the brain controls speech in 96% of children. There are creative areas in the brain that put concepts and experiences in different orders to think up new ways to say things. What side of the brain controls speech is not so obvious in this case. Creative thinking is generally thought to be in the right side of the brain, but not in this case. Oral language is spoken first in the mind. This happens especially when you rehearse a speech, or think in words about something.