Download Your Digital Afterlives: Computational Theories of Life by Eric Charles Steinhart (auth.) PDF

By Eric Charles Steinhart (auth.)

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Hence the brain contains 1016 synapses. Each synapse stores up to 104 bits. Hence the storage capacity of the brain is at most 1020 bits. Each neuron performs 106 operations per second on its internal data. Hence the brain as a whole performs 1017 operations per second. Since all the numbers describing the brain are finite, the brain is only finitely complex. It has a finite set of possible inputs. These are the signals entering it through its sensory nerves (the nerves coming from the sensory and other organs).

The process gets updated into the next stage. The logic of the program causes the next stage to differ from the previous stage. And some but not all processes are primarily self-contained – almost all of the action in the process occurs within its own stages. Almost all of the pipes that run into the next stage run out of the previous stage. The stages get inputs from their environments, but they don’t get much in the way of external assistance. For example, ordinary bodies take in food, air, water, and heat – yet they operate primarily on their own.

Each neuron performs 106 operations per second on its internal data. Hence the brain as a whole performs 1017 operations per second. Since all the numbers describing the brain are finite, the brain is only finitely complex. It has a finite set of possible inputs. These are the signals entering it through its sensory nerves (the nerves coming from the sensory and other organs). The brain has a finite set of possible states. These are its internal connect-the-dots networks of cells. The brain has a finite set of possible outputs.

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