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).
Broca's area or the Broca area / b r oÊ Ë k ÉË / or / Ë b r oÊ k É / is a region in the frontal lobe of the dominant hemisphere (usually the left) of the hominid brain with functions linked to speech production. Language processing has been linked to Broca's area since Pierre Paul Broca reported impairments in two patients.