About 20 years ago, the actual mode of function of the brain was both skeletal and vague.The hitherto picture of the brain's mode of function can be clearly seen in Michio Kaku's statement, "The brain has 100 billion neurons, each neuron connected to 10 thousand other neurons. Sitting on your shoulder is the most complicated object in the known universe". But the advent of modern technologies such as functional Magnetic Resonance Imagery (fMRI) and Proton Emission Tomography (PET), etc have circumvented most of the confusion surrounding the workings of the brain.
It had long been known that the brain is made up of basic structural and functional units called neurons. Also, based on recent findings, the neurons have been found to be arranged in groups known as areas.
These groups of neurons are specifically involved with some specialized functions such as, speech, language, movement, special senses, music, logic/arithmetics, music, tactile works such as typing, etc.
All the areas of the brain involved with reasoning are found within the right and left cerebral hemispheres called the neocortex.
Festus C. Anaba, B Med. Sci. Physiology
Festus C. Anaba, B Med. Sci. Physiology
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