According to this we go through what is called Cognitive Evolution, which is made up of several steps:
Cognitive Evolution (stages)Cognitive Evolution
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The origin of the nerve cell marks another major step in biological evolution. As a communicative device, the function of a nerve cell is to vary so that it can communicate information. Nerve cells can affect a variety of semantic coding relationships, allowing multicellular organisms to rapidly develop many levels of hierarchical anticipatory control. In particular, we recognize in the following schema the major steps of neural evolution:
Culture is control of thought;
which is control of associating;
which is control of complex reflexes;
which is control of simple reflexes;
which is control of movement;
which is control of position.
Now it would seem that this theory is pretty complex. However, it is important to understand what a cybernetic system is. According to the theory, a cybernetic system is a control system that interact with its environment to maximally achieve its goals or values.
Hmmm,simple enough.
The first form of consciousness is sensation. Sensation is the principle relayer of all that we experience. aA cybernetic system has to be able to sense its situation in order to survive. Without that sense,it is doomed to pass away. An example of this system would be a thermostat. The thermostat muct be able to sense whether it is getting hot or cold in order for it to exist. Further more, in order for the form in which the thermostat monitors to exist, the thermostat must also be able to sense.
The second form of consciousness is awareness. this seems to be what most of us associates with consciousness over all. According to conitive evolutionary theory, separate sensations do not automatically lead to separate actions. Sensations are rather integrated to form a particular action.
The third form is experience The agent's decision is not determined by its state of awareness. It makes its decision from experience.
[edit on 9-11-2006 by SpeakerofTruth]


In other words, there is no need to think that our limitation,mental that is, will always be as limited as they presently are. 