Cerebral hemispheres
Cerebral Hemispheres
The Cerebral Hemispheres (pronunciation: /sɪˈriːbrəl ˈhɛmɪsfɪər/) are the two halves of the brain that are divided by a deep groove, known as the longitudinal fissure. Each hemisphere is further divided into four main sections or lobes: the frontal lobe, parietal lobe, temporal lobe, and occipital lobe.
Etymology
The term 'Cerebral' is derived from the Latin word 'cerebrum' which means brain, and 'Hemisphere' comes from the Greek words 'hemi' meaning half, and 'sphaira' meaning sphere. Thus, 'Cerebral Hemispheres' literally translates to 'half spheres of the brain'.
Function
The Cerebral Hemispheres are responsible for higher brain functions, including thought, emotion, and action. The left hemisphere is typically associated with logical thinking, language, and analytical processing, while the right hemisphere is associated with creativity, spatial ability, artistic, and musical skills. This is known as lateralization of brain function.
Related Terms
- Cerebrum: The largest part of the brain, encompassing the cerebral hemispheres.
- Cerebellum: Located beneath the cerebrum, it plays a role in coordination and balance.
- Brainstem: Connects the cerebrum and cerebellum to the spinal cord, performing many automatic functions such as breathing, heart rate, body temperature, wake and sleep cycles, digestion, sneezing, and coughing.
- Corpus Callosum: A broad band of nerve fibers joining the two hemispheres of the brain.
External links
- Medical encyclopedia article on Cerebral hemispheres
- Wikipedia's article - Cerebral hemispheres
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