Term Papers on Human Memory V.S. Computer Memory

Term Paper Title	Human Memory V.S. Computer Memory
# of Words	603
# of Pages (250 words per page double spaced)	2.41

Human Memory V.S. Computer Memory

Theoretically the brain is a machine. It has a computer (processor) with neural connections, programmed responses, and a data bank. It has sensors in the body that input information into the computer. It has an output to devices that perform actions, and the brain communicates with these devices through electrical and chemical channels.

The comparison of the brain and the computer is a metaphor. When it comes to the brain, we often see the computer as a someday substitute. How is the brain different from a computer?

The brain uses chemicals to transmit information, the computer uses electricity. Even though electrical signals travel at high speeds in the nervous system, they travel even faster through the wires in a computer.

A computer uses switches that are either on or off. In a way, neurons in the brain are either on or off by either firing an action command or not firing an action command. However, neurons are more than just on or off because a neuron is constantly getting information from other cells through synaptic contacts. Information traveling across a synapse does not always result in a action potential. Rather, this information alters the chance that an action potential will be produced by raising or lowering the threshold of the neuron.

Computer memory grows by adding computer chips. Memories in the brain grow by stronger synaptic connections. It is much easier and faster for the brain to learn new things. Yet, the computer can do many complex tasks at the same time that are difficult for the brain however does some multitasking using the autonomic nervous system. For example, the brain controls breathing, heart rate and blood pressure at the same time it performs a mental task.

The human brain has weighed in at about 3 pounds for about the last 100,000 years. Co...

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