How Does the Brain Work?

How does the human brain work? For you to understand this, you need to know how it works. At the most basic level, the human brain is made up of neurons. Nervous cells are located all throughout the body and they send signals to the other cells through the spinal cord and the brain. These signals telling the other cells to do something work by relaying a set of instructions that the nervous cell has received.


The human brain is made up of about eighty-five percent nerves and twenty-five percent proteins. The five percent proteins make up the neurons that communicate with each other and with the spinal cord. The twenty-five percent are the chemicals that make the proteins work. A chemical called serotonin is present in the basal ganglia or cerebellum that have connections to about seventy percent of all the neurons in the human brain.


There are about seven hundred thousand neurons in the human brain and another three to five thousand synapses. Neurons make connections with other neurons by passing messages along pathways in the brain. Synapses are individual neurons connected with each other. When a chemical called serotonin reacts with the neurotransmitter, the chemical and the other neurons work together to form a particular function in the brain.


Computers are able to duplicate much of what the human brain does but they are not able to do it at the cellular level. The reason for this is that the synaptic level is where all the communication between the computer and the actual hardware is happening. When you program a computer to solve a certain problem, it is sending a signal to the simulated neurons in the memory of the computer to solve the problem. The hardware on the other hand is actually doing the exact same thing. However, the artificial intelligence that is running on the computer is able to translate the virtual signal into a real solution.


The question is, how does the brain accomplish all of this? There are many theories out there, some more plausible than others. Most experts agree that the human nervous system is much more complex than it seems. It is possible that the mind is capable of learning complex things that the computer can imitate. For example, the computer might be able to implement abstract thought patterns and the human brain functions like a computer might be able to implement languages that are complex.


If one of the theories is correct, then we have another major problem. How is the brain going to create new thought patterns without causing any damage to the existing brain functions? That seems to be a major dilemma. It is possible though that the existing system is fine and it is the new, artificial intelligence that is messing things up. In order to prevent future problems like this, we must understand how the human nervous system and the artificial intelligence communicate. We must also have an understanding of how the brain learns and stores information.


How does the brain work? The brain is composed of neurons, synapses, glial cells, and myelin. Neurons are the components that send information from one nerve cell to another. Synapses are the connections between neurons; glial cells are the cells that build new synaptic connections between neurons.


All of these components work together in the form of a network or circuit. One of the most important functions of the brain is to create new connections, called synapses, that allow the brain to perform its functions like remembering, seeing, hearing, speaking, and walking. New synaptic connections are created in the cerebral cortex, where the information that the human brain receives and processes becomes permanent.