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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. Who cannot immediately discern depth and movement as someone who has had vision since birth?
(a) Someone who has cataracts removed.
(b) Blind people who recover their sight.
(c) Someone who closes the eyes for more than a few seconds and then opens them.
(d) Everyone who is sighted can immediately discern depth and movement.

2. What indicates a state of sexual arousal in women?
(a) It varies individual to individual.
(b) Dilated eyes.
(c) Closed eyes.
(d) Lack of focus.

3. What do dilated eyes have to do with the experiment the author mentions?
(a) Dilated eyes have nothing to do with the experiment.
(b) It is a measure of the light used.
(c) The men were more attracted to women with dilated eyes.
(d) It is a way to tell if the participant is looking directly at the computer screen.

4. What is another type of brain cell?
(a) Neutrophils.
(b) Glia.
(c) Leukocytes.
(d) Nephrons.

5. To what are innumerable facets of ourselves linked?
(a) The limbic system.
(b) The heart and brain.
(c) The nervous system.
(d) The circulatory system.

6. How does one device "show" a blind person his/her proximity to objects?
(a) It beeps when its sensors notice an object in the person's path.
(b) It gives a slight electrical shock to the person's arm where it is attached.
(c) It uses a series of electrodes on the back that pulsed in different ways according to the person's proximity to objects.
(d) It pushes the person in one direction or another when it senses an obstacle.

7. How does May first react to his new sight?
(a) He blinds himself again.
(b) He is unable to make sense of what he sees.
(c) He is elated and awed.
(d) Since he had seen when he was younger, it was no big deal.

8. What were men asked to rate in an experiment the author cites?
(a) How easy it is to solve a given problem.
(b) The ease at remembering names.
(c) The ease at drawing a simple picture they are shown.
(d) How attractive they found women's faces in photographs they are shown.

9. What does the amount of brain effort that vision uses indicate about vision?
(a) It can take place while easily freeing the brain for other matters.
(b) Vision is a very simple process of mirrors and reflections.
(c) The brain is so capable, it doesn't take much of it for any sensory input.
(d) Vision is an extremely complex process.

10. What was disorienting for May?
(a) The way steps seemed unattached to the earth.
(b) The sudden shift of objects in his visual field when he turned his head.
(c) The way shapes affected the appearance of colors.
(d) The way colors affected the appearance of shapes.

11. What is one of the types of cells in the brain?
(a) Hepatic.
(b) Erythrocytes.
(c) Nephrons.
(d) Neurons.

12. What does Eagleman say can happen even after we learn to see?
(a) Our sight can be erratic.
(b) Our vision can be fooled.
(c) Nothing.
(d) Our sight can be inaccurate.

13. How does the author refer to the brain?
(a) As the organ that works in tandem with the heart.
(b) As five pounds of power.
(c) As the mission control center.
(d) As the guts of the individual life.

14. By what are thoughts underpinned?
(a) Electrical waves.
(b) Physical stuff.
(c) Sound.
(d) Fluids.

15. How many connections does a typical neuron make to neighboring neurons?
(a) 10,000.
(b) 1,000.
(c) 10.
(d) 100.

Short Answer Questions

1. Of what is the phenomenon of depth being stimulated on a flat page an example?

2. Of what are we unconscious when we move an arm?

3. How do hallways challenge May when he regains his sight?

4. What does Eagleman say can get in the way of our efficiency?

5. About how many pounds does a brain weigh?

(see the answer keys)

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