In neuropsychology it is commonly recognized that 70%
of all the sensory receptors in the brain are inputted from
the eyes. However, an important internal cognitive
function of the eyes as the perceptual browser of the
memory and the mind has not yet been recognized. This
keynote talk contrasts the cognitive mechanisms of the
eyes as both the sensor of the brain externally and the
browser of the mind internally. The key assertion is that
the eyes function as a bi-directional organ: a visual sensor
of the brain, and more important, a perceptual browser of
the mind.
The sensory of the brain can be categorized into external
and internal senses. The former encompass vision,
auditory, smell, tactility, and tastes. The latter refers to
perceptivity that forms the sixth sense of the brain. The
perceptual sense encompasses consciousness, memory
searching, motivation, willingness, goal setting, emotion,
sense of spatiality, and sense of motion.
In recent research in cognitive informatics, perceptivity is
recognized as the sixth sense that serves the brain as the
thinking engine, and the kernel of the natural intelligence.
Perceptivity implements self consciousness inside the
abstract memories of the brain via subconscious eye
movement. Almost all cognitive life functions rely on
perceptivity that virtually sees acquired visual images
stored in the memories of the brain without any sensory
input, and abstractly accesses acquired knowledge and
information elicited by the movement of eyes.
This talk focuses the internal and perceptual cognitive
mechanisms of the eyes when they are closed, and
introduces the hypothesis of the perceptual browsing
mechanisms of the eyes. Studies of eye movement during
sleeping, blinking, and thinking in neuropsychology and
cognitive informatics provide evidences for supporting this
hypothesis.
There are a large set of fundamental questions in
neuropsychology and cognitive science rely on answers to
the above hypothesis, such as: how a faculty of
subconscious and conscious life functions happen and
work in the brain? Where is the organ in the brain that
physiological carries out thinking and perception? How we
control or direct our thinking engine? Do all thinking
mechanisms consciously or intentionally controllable?
And how consciousness can be the product of
physiological processes in the brain?
The contemporary philosophy behind natural sciences is
positivism and reductionism. Natural scientists adopt a
common perception that physical phenomena must be
publicly observable and independently repeatable.
However, most phenomena in psychology, cognitive
science, and informatics are clearly not, even though all
individuals believe they are truly happening based on
empiricism. This contradiction can be explained by the
information-matter-energy (I-M-E) model [Wang, 2002]
that classifies the natural phenomena into two categories
known as those of the physical/concrete world and of the
information/perceptual world. According to the I-M-E
model, the mental phenomena and cognitive processes,
particularly perceptivity and thinking, should be
recognized as a new category of special phenomena
occurring in the abstract and information world that
apparently do not obey specific rules observed in the
physical world. In other words, all information-/mentalprocess-
oriented sciences deal with a totally different
category of phenomena that are constricted by informatics
and cognitive laws rather than the physical ones.
The reveal of the internal perceptual mechanisms of the
eyes is not only theoretically significant to identify the
physiological organ of the thinking engine of the brain, but
also practically useful to explain a wide range of cognitive
mechanisms of the brain and mind, and to answer the
fundamental questions identified earlier in this talk.
Keywords: Cognitive informatics, neuropsychology,
neurophilosophy, cognitive science, mechanism of eyes,
perception, the sixth sense, cognitive model, the brain


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