What Does the Left Cerebrum Do

The left cerebral hemisphere controls movement of the right side of the body. Depending on the severity, a stroke affecting the left cerebral hemisphere may result in functional loss or motor skill impairment of the right side of the body, and may also cause loss of speech.

What does the left side of the cerebrum do?

The left side of the brain is concerned with language, number skills, reasoning, scientific skills, spoken language and right-hand control. The left side is the hub of language, where you “assemble” the language (words and sentence structure) you want to communicate.

Why does the left brain control the right side?

The brain is divided into symmetrical left and right hemispheres. Each hemisphere is in charge of the opposite side of the body, so your right brain controls your left hand. The right hemisphere also takes in sensory input from your left side and vice versa.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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