Marta was in an automobile accident and suffered an injury to her brain, resulting in paralysis of her left arm. what part of marta's brain was injured? auditory association area motor cortex association areas corpus callosum somatosensory cortex

motor cortex association  

Explanation:

The motor cortex is one of the parts of the telencephalon, which in turn is part of the brain. Its main function is to favor movement. Then through it we generate, maintain and finalize the movements.

Thanks to the motor cortex we can make voluntary movements consciously. This brain region is located in the frontal lobe, just in front of Rolando's fissure and somatosensory region.

If the part of the brain where the motor cortex is located is injured, movement of some part of the body may be lost or limited. For this reason, if Marta lost her arm movements after a brain injury caused by an accident, we can conclude that this injury injured the motor cortex.

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