Der Grund, weshalb sich unser Daume

Der Grund, weshalb sich unser Daumen im Laufe der Entwicklungsgeschichte des Menschen selbständig machte, ist bis heute allerdings ungeklärt. Fest steht, dass sich nicht nur eine Veränderung der Hand vollzog, sondern auch eine Weiterentwicklung im Gehirn: Es wuchs explosionsartig an, von gut 700 auf bis zu 1400 Gramm. Die Steuerung der Hand beansprucht - neben der das Gesichts - den größten Teil der motorischen und sensiblen Gehirnmasse. Für den Daumen wiederum steht davon von allen Fingern die meiste Steuerungskapazität zur Verfügung.

Results (English) 1:

to this day the reason, why our thumb over the course of the development history of man made independently, however, is unclear. it is clear that not only a change of hands took place, but also a further development of the brain: it grew explosively program of over 700 up to 1400s.the control of hand-claimed - in addition to the face - the largest part of the motor and sensory brain mass. for the thumb turn is it all of the fingers to control most of disposal capacity.

Results (English) 2:

The reason why our thumbs in the course of the history of man made himself independent, is until today, however unclear. What is clear is that not only a change of hand made, but also a further development in the brain: it has grown explosively, good to from 700 to 1400 grams. The control of hand claimed most of the motor and sensitive brain - besides the facial -. For the thumb turn is the most control capacity at the disposal of all fingers.
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Results (English) 3:

The reason, why our thumb in the course of the history of the development of humans made itself independent, is today however unsettled until. That not only a change of the hand carried out itself, but also an advancement is located firmly in the brain: It increased like an explosion, from well 700 on up to 1400 gram.The control of the hand takes up - in addition to the face - the largest part of the motor and sensitive brain matter. For the thumb of all fingers of which, in turn, is available to most of the Stateâ's ability.