Example of a 'Moon whorl' on the palmar hypothenar zone.

The ‘Moon whorl’ a common characteristic in Down syndrome & schizophrenia

The ‘whorl on the mount of Moon’ (a.k.a. the ‘hypothenar whorl’) is known as one of the mysterious characteristics that can only sometimes be found in the human hand. In 1943 Cummins & Midlo reported in their famous ‘Finger Prints, Palms & Soles’ statistics for a sample of 1281 German males. They found the ‘true whorl’ on the hypothenar in only 0.7% of right hands and 0.5% of left hands!

What do we know about the ‘Moon whorl’?

A few quote from the original article:

“While the classic palmistry literature describes that the ‘hypothenar whorl’ (a.k.a. ‘whorl on mount of Moon’) can be recognized as a sign for finding a ‘highly imaginative person’, various scientific studies have indicated that dermatoglyphic whorls on the mount of moon are linked with Down’s syndrome + a few other medical problems.”

NEW RESEARCH FINDING ON AUTISM!

Another quote from the article:

“A study on the hands of 30 people with autism (25 men, 5 women) revealed a surprizing high percentage of a specific (very rare) variant of the ‘hypothenar whorl’ – the ‘hypothenar composite whorl’.”

Some examples of the ‘hypothenar composite whorl’ are presented below.
3 Examples of a variant of the 'hypothenar whorl': the 'hypothenar composite whorl'.

In the perspective of the fact that in the science of fingerprints the ‘composite whorl’ is related to the ‘double loop’, it is interesting to notice here that the new finding appears to confirm an earlier reported finding which pointed out that the hands of people with autism are often featured with a ‘double loop’ in the fingerprint of the pinky finger and the presence of 2 palmar loops below that 5th finger.

In cases you’re interested to learn more about the basics of fingerprint classification – the illustration below describes the 8 most common types of fingerprints (including: 2 ‘arch’ variants, 2 ‘loop’ variants, and 4 ‘whorl’ variants).

SUGGESTIONS FOR FURTHER READING:

How fingerprinting works!
Forensic experts say: ‘fingerprints reveal more’!
A historical review of research on dermatoglyphics!

PICTURE: In the science of fingerprints ‘whorls’ is known a one of the 3 basic patterns (next to ‘loops’ and ‘arches’) – about 75% of people have at least 1 fingerprint whorl!
The whorl is known as one of the 3 most common fingerprint patterns.

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MEDICAL HANDANALYSIS:

Why is Down’s syndrome often featured with a ‘simian crease‘ or a Sydney line? About diseases, syndromes and hand characteristics.

PSYCHIATRY & HAND ANALYSIS:

What are common hand features in schizophrenia? About the link between the brain, dermatoglyphics, and other hand features.

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About hand features that related to developmental problems, personality characteristics, and low intelligence.

Palm reading: scientific hand analysis course.

OTHER RELATED SUGGESTIONS:
Scientific palmistry course
Males and females: the major hand differences
Handanalyse.startpagina.nl: Dutch palmistry search page
Medical palm reading: about the nails, dermatoglyphics, palmar lines and the fingers