Random thoughts on random topics

Assyrian figurine, Louvre, Paris

Human thought and the Turing test

Characteristic for the Turing test is that thinking is considered to be an activity or process that is separated from (non-verbal) action, emotion and affect, intuition, and so on. The relation between thought and action is construed as a relation between a program and a machine that executes the program. Thinking consists in formulating instructions, action in their executions. (Traces of a Cartesian dualism are visible here.) Another characteristic, closely related to the first one, is that knowledge and thought processes are assumed to be expressible in rules. (This is closely connected to a representational view of thought.)

What does the Turing-test tell us about human thinking, human thought? Consider the following example. Suppose there are two columns of water that both indicate exactly and correctly the sea level at some point on the shoreline. Column A is directly connected to the sea at that point, via a system of pipes, say. Column B is a closed system in which the water level is determined by calculations that are programmed into the system. Both column ‘behave’ in exactly the same way, yet one would only say of what happens in column A that it is the result of tidal flow. This indicates that the identity of behaviour (or a process, event, action) is co-determined by the network of causal relations in which it is located.

The same seems to be true of human thinking, human thought. If there was a machine that would pass the Turing test, it still remains an open question what conclusion we would (need to) draw. What the example suggests is that one relevant factor is whether the machine is causally related to the kind of things that human thinking is intrinsically connected to: action, will, emotions, and so on. Thus, whether there will be a machine that passes the Turing test is an empirical matter; but what that will mean, for us, is a philosophical question.

Martin Stokhof
from: Aantekeningen/Notes
date: 29/03/1992

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