The cerebral cortex deals with the opposite side of the body, whcih is called
The correct answer and explanation is:
The correct answer is contralateral control.
The cerebral cortex of the brain is responsible for controlling sensory and motor functions of the body. This control is typically contralateral, meaning that each hemisphere of the brain controls the opposite side of the body. For example, the left hemisphere of the brain controls movements and processes sensory information for the right side of the body, and vice versa for the right hemisphere. This arrangement occurs because of the way nerve fibers cross over to the opposite side of the body at certain points in the nervous system.
The contralateral control is seen in both motor functions and sensory input. The motor areas of the brain, particularly the primary motor cortex, are located in the frontal lobe. The neurons in this area control voluntary movement. The axons of motor neurons cross at the medulla oblongata, a part of the brainstem, before traveling to the spinal cord, which then transmits signals to muscles on the opposite side of the body.
Similarly, sensory information is processed in the sensory cortex, located in the parietal lobe. Sensory nerves from one side of the body cross to the opposite hemisphere in a similar manner, allowing the brain to interpret sensations like touch, pain, and temperature from the opposite side.
This contralateral arrangement ensures that the brain’s left hemisphere can react to stimuli and control movements on the right side of the body and vice versa. However, it’s important to note that there are some exceptions to this pattern, especially in structures like the cerebellum and some parts of the spinal cord, where control can be ipsilateral, or on the same side.
Understanding this concept of contralateral control helps explain why injuries or strokes affecting one side of the brain can lead to deficits on the opposite side of the body, such as paralysis or sensory loss.