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).
SIGN LANGUAGE in the BRAIN. by Gregory Hickok, Ursula Bellugi and Edward S. Klima How does the human brain process language? New studies of deaf signers hint at an answer ONE OF THE GREAT MYSTERIES of the human brain is how it understands and produces language.