The primary motor cortex is located in the

Which of the following is TRUE regarding research on driving?

a. 20-year-olds have much higher rates of two-vehicle crashes than 70-year-olds. b. Useful field of view is a constant perceptual ability; it stays the same even when attending to other activities. c. Older adults' failure to scan at intersections is a bad habit that can be modified by simulator training. d. Even after training, older adults do not show increases in useful field of view.

If the primary problem is that the woman cannot ovulate properly, the most common fertility treatment is _______________

a. chorionic villus treatment b. artificial insemination c. fertility drugs d. in vitro fertilization