They used a system of cameras to record the movement patterns of a set of able-bodied volunteers who were walking on a treadmill, and then correlated the result with the electrical signals detected simultaneously at their scalps.

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But while there's no consensus on this relatively new set of theories, a growing group of specialists says it is worth getting the child checked, because these behavioral patterns can signal disorders that might make school and friendships tough for a child.

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However, said Dr Aviv, these results were produced when Pins and patterns were picked from a 50-strong set of numbers and shapes.

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Another piece, a gold brooch set with an ancient gold coin that pictures Philip II of Macedonia, has patterns made of diamonds, blue topazes, amethysts, peridots, and pink and red tourmalines.

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