The Left Brain's Interpreter

This and other split-brain experiments show that ...

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Each of us has an interpreter in our left hemisphere.

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This interpreter constructs theories about why we act and behave the way we do.

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Thousands (perhaps millions) of brain activities go on relatively independently of one another and all outside the realm of conscious experience.  They affect body movements, emotions, thoughts, ....

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Once these brain activities are expressed, the expressions become events that the conscious system takes note of and that the interpreter must explain.

--- "tip of the tongue" phenomena

--- "unconscious" problem solving

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The interpreter constructs our conscious reality by interpreting the (limited and fragmentary) data available to it.

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Your conscious life is an "afterthought" constructed by the interpreter.

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Source:  Gazzaniga, Michael S., Mind Matters