Which of the following is true of the cerebral hemispheres?
A. The left hemisphere initially receives information from the left as well as the right side of the body.
B. The right hemisphere initially receives information from the left as well as the right side of the body.
C. The left hemisphere initially receives information only from the left side of the body.
D. The right hemisphere initially receives information only from the left side of the body.
Answer (2)
The cerebral hemispheres process information from opposite sides of the body, with the left hemisphere controlling the right side and vice versa. The correct answer is option D, which states that the right hemisphere initially receives information only from the left side of the body. This is due to the neural pathways crossing over in the brain.
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The question asked is about the cerebral hemispheres, which are part of the brain. The brain is divided into two cerebral hemispheres, commonly referred to as the left and right hemispheres. Each hemisphere is responsible for different functions and processes information from the opposite side of the body. This phenomenon is known as contralateral (meaning opposite side) processing.
Here is what you need to know about how each hemisphere receives information:
Left Hemisphere : It primarily receives sensory information from the right side of the body. For example, if you move your right hand, the left hemisphere of the brain is involved in processing that movement and sensation.
Right Hemisphere : It primarily receives sensory information from the left side of the body. So, if you see something with your left eye or feel something with your left hand, this information is mainly processed by the right hemisphere.
Based on this understanding, we can conclude the correct choice is:
(D) The right hemisphere initially receives information only from the left side of the body.
This is due to the crossing of neuronal pathways in the brain, including those of vision, touch, and motor control, which allows each hemisphere to control and interpret sensations and movements of the opposite side of the body.
