A recurring problem in Zoosemiotics and Biosemiotics is that of sign awareness or recognition threshold. In other words, what is the simplest life form that is capable of sign awareness? What is required to be aware of a relation between A & B? Awareness of a relation is not the same as responding or reacting to a stimulus in an instinctive or mechanical manner. Another important point is that the sign awareness must be from the organism's point of view and not from the human observer's pov (i.e., descriptive semiotics). We can attribute semiotic communication to lower life forms, but this attribution is descriptive. This is a very important point since many researchers forget this. I have in my various
articles reiterated this point, one shared by critics of biosemiotics (including leading
cognitive semioticians ). I have argued that for an animal to be aware of a relationship there must be a neural working space in which signals from two or more modalities are dealt with. A bacterium when it handles information does it moreorless in the same manner as receptor cells do. The difference is that a bacterium has a freer organization (an independent life form) but discrete network. While it is true that a bacterium signals to a community at large, however the propagation and reception of the message is mechanistic, quantifiable, and very basic. Even the collective memory of the bacteria is limited in comparison to the memory found in the simplest multicellular life forms. The
quorum sensing for example in bacteria is at the level of biochemistry, whereas in honeybees the swarming activity is more
distal. Of course, when we look at the behaviour and communication of a bacterium, or for that matter a virus, we see that there is still a qualitative difference between their memory and signalling systems and say stars and radios. Those qualities are subjective, connected with the awareness of sensing - sensation. A bacterium does not have a proper sense of body, as it does not have a CPU which manages the signals, instead it has biochemical structures and processes that register chemically changes - such changes occur in us automatically in our cells, and we are not conscious of them. When we compare the processing of external and internal information in the first animals proper, we find that it is less freely distributed, and more centrally controlled than in unicellular life forms. The moon jellyfish has for example eight mini CPU (marginals) that process multisensory information. These marginals constitute a cognitive working space. In addition to this, although the jellyfish lacks the capacity for true image-making, (85 % of animals have this capacity), I have hypothesized that activity connected with food, particularly troublesome fish larvae, may be registered as a "flash" in the visual context - this forming the basis for later
inner representations. In otherwords primordial semiosis (awareness of signs) could be
synaesthetic. Certainly, the hypothesis would be in accordance with classical semiotics where the image is paramount. From my perspective semiosis (sign awareness/consciousness should be seen in a natural continuum and viewed exactly as other evolutionary traits using the tests of evolutionary biology. Our ability to be or see relations in nature and use a token to stand for these, has evolved from simpler systems. The gulf between the linguistic and nonlinguistic systems is a different problem. If we move from the moon jellyfish (radial design) towards the bilateral design, we see that cephalization brings new and more advanced attention/focus systems which are qualitatively different from the radial design. Attention and saliency antcipates consciosness and meaning. Quite how, will be the subject of further discussion.