Space-time theories of consciousness - definition of Space-time theories of consciousness in Encyclopedia: "Space-time theories of consciousness relate the geometrical features of conscious experience, such as viewing things in space-time at a point, to the geometrical properties of the universe itself. These theories sometimes make specific predictions and so their proponents assert that they should be considered as protoscience rather than pseudoscience. This article is included to provide an insight into highly speculative physical thinking on the problem of consciousness, it is an extension of the philosophy of consciousness and should be read as ideas, not facts.
Space-time theories of consciousness have been advanced by Eddington, Smythies and other scientists. The concept was also mentioned by Hermann Weyl who wrote that reality is a '...four-dimensional continuum which is neither 'time' nor 'space'. Only the consciousness that passes on in one portion of this world experiences the detached piece which comes to meet it and passes behind it, as history, that is, as a process that is going forward in time and takes place in space'.
CD Broad (1953), in common with most authors in this field, proposed that there are two types of time, imaginary time measured in imaginary units(i) and real time measured on the real plane.
Different types of time are introduced in these hypotheses because they can interact mathematically in the equation of spacetime to produce no separation between two points. The equation of spacetime gives the spacetime separation (ds) between two points as:
ds2 = dx2 + dy2 + dz2 - c2dt2
In recent years this has been interpreted as a dynamical equation but when it was first formulated it was interpreted as a geometrical equation, specifying real separations. The geometrical interpretation arose because it was proposed that the minus sign was the result of multiplying cidt by cidt where i is the square root of minus"
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