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).
This new insight about Brocaâs area, which is located in the frontal cortex above and behind the left eye, could ultimately benefit the treatment of language impairments due to stroke, epilepsy and brain injuries, says Nathan E. Crone, M.D., an associate professor of neurology at Johns Hopkins and the senior author of the study.