Left Cerebral Brain Functions

2299 Words5 Pages

The human brain consists on the left cerebral hemisphere and the right cerebral hemisphere, which signifies the control of the four lobes and its functions. The left cerebral hemisphere is an important section of the brain with the usage of speech, reading, and writing skills. The right cerebral hemisphere is also an important section as to the development of understanding, paying attention, and expressing emotions. Then within each cerebral hemisphere are four major areas call the Frontal, Parietal, Temporal, and Occipital lobe. Some brain functions are located in a specific hemispheric region. Some functions are in both hemisphere and some are unilaterally represented. The cerebral hemispheres are very similar in appearance, but they differ …show more content…

And it is also believed to control general cognitive functions. Then the left cerebral hemisphere controls movement of the right side of the body and the left hemisphere controls movement on the right side of the body. Therefore, damage in the motor area on either side of the brain affects the opposite side of the brain. Also, depending on the severity, an effect on 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. However, it is not too surprising that this highest function would localize in the most advanced regions and further still that this function would tend to utilize the greatest expanse of advance cortex, which happens to be, in most, located on the left cerebral …show more content…

The cerebral cortex contains about half of all neurons in the human brain and serves as the highest level of brain functions. The inside of the cerebral hemisphere contain several large interconnected clusters of cell bodies known as basal ganglia. These link sensory parts of the cerebral cortex to its motor parts, and connect the motor parts of the brain stem and spinal cord. They are involved in initiating and directing responding. The basal ganglia are also thought to play a key role in language, thought, emotional behavior, and motivation. Then one suggestion is that the basal ganglia selects and reinforces appropriate actions or behavior, while extinguishing or inhibiting unwanted or inappropriate actions or behaviors. The basal ganglia are involved in a number of circuits. The most obvious one begins with a pathway from the cerebral cortex to the striatum and sub thalamic nucleus. Each of these three zones of the striatum feeds back to the corresponding parts of the cerebral cortex: the putamen feeds back to motor areas of the cortex, the caudate to the prefrontal cortex for thought and planning, and the nucleus accumbens to the limbic areas. The observations

More about Left Cerebral Brain Functions

Open Document