What is the term used to describe the phenomenon where each side of the body is controlled by the opposite side of the brain?

Understanding Brain Decussation

Interactive Video
•
Biology, Science
•
7th - 12th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cross-linking
Inversion
Reversal
Decussation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which historical theory suggested that brain swapping was necessary for visual alignment?
Defensive mechanism theory
Visual field alignment theory
Backward brain hypothesis
Nerve efficiency theory
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one modern theory about why decussation might have evolved?
To pack nerves efficiently
To increase brain size
To enhance memory
To improve balance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the backward brain hypothesis suggest about early vertebrate ancestors?
Their brains were larger
Their brains were on backward
They had no brain
They had multiple brains
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of animal was observed to support the sideways brain hypothesis?
Frogs
Zebrafish
Lizards
Birds
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What developmental feature in humans is suggested to be a result of the sideways brain hypothesis?
Larger brains
Rotated faces
Smaller eyes
Symmetrical faces
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the video, what is a common behavior that might reflect human asymmetry?
Walking in a straight line
Tilting head to the left when kissing
Tilting head to the right when kissing
Hugging with both arms
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