full transcript
"From the Ted Talk by Greg Gage: How a dragonfly's brain is designed to kill"

Unscramble the Blue Letters

Now, why is that? Remember when I said that the dfrngolay had near 360-degree vision. Well, there's a section of the eye cealld the fovea and this is the part that has the sharpest visual atcuiy, and you can think of it as its crosshairs. Remember when I told you the dragonfly had individual precise control of its wings? When a dragonfly sees its prey, it tinras its crosshairs on it and along its axons it sndes messages only to the neurons that cnrotol the parts of the wings that are needed to keep that dragonfly on target. So if the prey is on the left of the dragonfly, only the neurons that are tugging the wigns to the left are fired. And if the prey moves to the right of the dragonfly, those same neurons are not needed, so they're going to remain quiet. And the dragonfly speeds toward the prey at a fixed angle that's communicated by this crosshairs to the wings, and then boom, dinner.

Open Cloze

Now, why is that? Remember when I said that the _________ had near 360-degree vision. Well, there's a section of the eye ______ the fovea and this is the part that has the sharpest visual ______, and you can think of it as its crosshairs. Remember when I told you the dragonfly had individual precise control of its wings? When a dragonfly sees its prey, it ______ its crosshairs on it and along its axons it _____ messages only to the neurons that _______ the parts of the wings that are needed to keep that dragonfly on target. So if the prey is on the left of the dragonfly, only the neurons that are tugging the _____ to the left are fired. And if the prey moves to the right of the dragonfly, those same neurons are not needed, so they're going to remain quiet. And the dragonfly speeds toward the prey at a fixed angle that's communicated by this crosshairs to the wings, and then boom, dinner.

Solution

  1. called
  2. sends
  3. wings
  4. dragonfly
  5. acuity
  6. control
  7. trains

Original Text

Now, why is that? Remember when I said that the dragonfly had near 360-degree vision. Well, there's a section of the eye called the fovea and this is the part that has the sharpest visual acuity, and you can think of it as its crosshairs. Remember when I told you the dragonfly had individual precise control of its wings? When a dragonfly sees its prey, it trains its crosshairs on it and along its axons it sends messages only to the neurons that control the parts of the wings that are needed to keep that dragonfly on target. So if the prey is on the left of the dragonfly, only the neurons that are tugging the wings to the left are fired. And if the prey moves to the right of the dragonfly, those same neurons are not needed, so they're going to remain quiet. And the dragonfly speeds toward the prey at a fixed angle that's communicated by this crosshairs to the wings, and then boom, dinner.

Important Words

  1. acuity
  2. angle
  3. axons
  4. boom
  5. called
  6. communicated
  7. control
  8. crosshairs
  9. dinner
  10. dragonfly
  11. eye
  12. fired
  13. fixed
  14. fovea
  15. individual
  16. left
  17. messages
  18. moves
  19. needed
  20. neurons
  21. part
  22. parts
  23. precise
  24. prey
  25. quiet
  26. remain
  27. remember
  28. section
  29. sees
  30. sends
  31. sharpest
  32. speeds
  33. target
  34. told
  35. trains
  36. tugging
  37. vision
  38. visual
  39. wings