e enjte, 23 gusht 2007

THE PHYSICAL BASIS OF MEMORY



THE PHYSICAL BASIS OF MEMORY.--The power to reproduce a once-known fact
depends ultimately on the brain. This is not hard to understand if we go
back a little and consider that brain activity was concerned in every
perception we have ever had, and in every fact we have ever known.
Indeed, it was through a certain neural activity of the cortex that you
were able originally to know that Columbus discovered America, that your
house is white, and that it rained on a day in the past. Without this
cortical activity, these facts would have existed just as truly, but
_you_ would never have known them. Without this neural activity in the
brain there is no consciousness, and to it we must look for the
recurrence in consciousness of remembered facts, as well as for those
which appear for the first time.


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