Directions: Listen to the lecture and take notes. Then choose the response which best answers the question below based on the information you heard in the lecture. ELAS 980 Diagnostic – Aging(1).mp3 Which of the following best expresses the main idea of the lecture? 

Which type of study involves comparisons between groups on a construct for which no formal manipulation occurred and groups could not be randomly assigned?

_____ variables are under the control of the researcher, and each may be expected to influence performance on some _____ variable.

A normally functioning nervous system is crucial for normal speech.

When classifying neurons, efferent neurons are the neurons carrying information toward the CNS from peripheral structures, such as skin, sense organs and viscera.

Which is the largest cerebral artery?

This is a basic building block of the nervous system.  It consists of a cell body, dendrites and an axon.

All spinal nerves contain both motor and sensory fibers. 

What has been your favorite part of the first half of this course? I have so enjoyed teaching all of you! 

Explain why is it important for both professions of Speech Language Pathology and Audiology to understand different medical imaging techniques.