Concerning Camouflage, Human Perception and Ghillie Suit:
The perception of objects and shapes is determinated by the mental organisation of environment elements employed by the brain. The human brain is led to perceive shapes and figures in contrast with the background, due to an automatic, innate mechanism that defines the laws of human perception. The Ghillie Suit works extremely well in natural environments, since it breaks the human shape and interferes with the innate perception mechanism of environment reconstruction recognising human silhouette. This is an evolutionary component developed by several species particularly among hunting and social species like homo sapiens.
The Ghillie Suit's effectiveness can be scientifically explained by Gestalt, one of the major schools and approaches of experimental Psychology empirically explaining human cognitive functioning particularly regarding sensation and perception. Gestaltists postulate that perception is the product of complex interactions among various stimuli through which the mind creates a self-organised "Global Whole". This self-organised "Global Whole" is affected by several specific laws of human perception, that can help explain why and how Ghillie Suits work. It is worth mentioning the fundamental principle of Gestalt perception:
the Law of Continuity: Elements tend to be grouped together and integrated into a perceptual "Global Whole" if they are aligned within an object or another element (such as a bush or a tree). This is what takes place when using a Ghillie to hide near a bush, on the ground in the grass or near dead leaves.
Therefore, the Gestalt Psychological approach to human perception helps understand why and how Ghillie Suits works within the environment, and can provide remarkable insight into the best way to conceal oneself using a Ghillie suit. A more direct example of how we drive our approach based on the Cognitive laws of Human Perception
Therefore, under a versatility point of view, a leaf-suit (in general wide/broad shapes) will be very effective in environments characterised by wide shapes (as broad-leaved woods), but in grassy areas it would become not effective leading to concealment issues. On the other hand, a full Rafia Ghillie (thin shapes) will works extremely well in grassy environments, but in broad-leaved environment as a deciduous woods, it could lead to the same concealment issues. However A Ghillie made of Rafia will be always more adaptable than a leaf-suits because grass is more common the leaves and humans (and other species as well) evolutionary speaking are more used to see grass than a maple leaf. Grass is highly pervasive and "thin shapes" as sticks and dry grass characterise any environment (except deserts and glacial areas).
Here below a brief video example of Jute versatility in different areas. In the following video the same Ghillie was used to cover 13km of distance from 1200mt to 2500mt.
Jute is the intermediate step between thin and broad shapes. Its thin wires makes bunches of irregular shapes. And this is a double concealment feature both in micro and macro. Jute is the intermediate step between wide shapes and thin shapes and for that reason it will be a solid base to get concealed, mostly while changing environments, ensuring an adaptable versatility that other material can not provide. For sure Jute will not work well as leaf-suit in a broad-leaved environment, and neither as a full Rafia Ghillie in a grassy environments, but it is the best versatile compromise to get concealed while covering large distances or just across seasons. The below picture is a resume of a "mixed" environment, wide shapes and thin shapes, check out how the above 3 different materials are working.
Here below a clear evidence of what is written above. The following video is about Jute versatility across a transition of 21 kilometers in 3 different environments gaining +900mt of altitude. This was made while comparing 5 different Ghillie Camouflage Patterns and comparing Jute Ghillies with a Full-Rafia Ghillie Suit and with a Leaf-Suit.
Adaptability of ProApto Ghillie Suits across different areas. The key component of a successful camouflage system is the adaptability across multiple environments. Few scientific guidelines from the Science of Human Neuropsychological perception of colours and shapes can be useful to clarify the conceptual and the practical approach behind the effective concealment capabilites of our product's design.
For futher information below there are some scientific references:
Useful Links for people without a scientific background in Psychology/Neuropsychology: