Page 25 - Knowing The Truth

Vitreous
humor
Lens
Blurred Image
Cornea
Retina
Optic
nerve

Pupil
Iris

The light rays coming from the sailboat strike the eye and are converted into
electric signals which, after passing through several processes, reach the brain.
The image of the sailboat is formed in the brain.

MURAD: Ibrahim, you explained it well. Yes, the system works in
this way but at the cognitive stage of perception, that is, the stage when
we understand what it is we sense, the system becomes much more
complex. For example, we're sitting here looking at a pond. The signals of
the senses create impressions belonging to the pond and its
surroundings... Impressions from the surrounding area such as the smell

smell center

The sense of smell can be understood in the same way. The stimuli coming from
an object or from some food are converted into electric signals and, after passing
through a series of processes, reach the brain to be perceived in the 'smell' center.