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Lesson 2 of 15
The Driver — Physiology & Psychology
2 hoursFree
Course progress0/15 lessons · 0%
Learning Objectives
By the end of this lesson you'll be able to:
- 1Identify how vision — acuity, depth, peripheral, and night — affects driving.
- 2Recognize how hearing, fatigue, illness, and emotions impair you.
- 3Adjust your driving to work within your physical and mental limits.
Step 1 of 2
A. The Physiological Nature of the Driver
Key Things to Remember
- Vision does most of the driving — protect acuity, depth, peripheral, and night vision.
- Fatigue, illness, alcohol, and strong emotions all impair you.
- Drive within your limits, and don't drive when you're not fit to.
Content based on the 2025 CA Driver Handbook. Always verify current requirements at dmv.ca.gov.