However , after numerous dissections and observations he was able to assert that a mature skull under 14 inches in circumference was not able to function normally .
Gall disagreed with Philippe Pinel and Peter Camper that the larger brain the larger one 's intellectual power .
After numerous dissections and observations Gall was able to assert that a mature skull under 14 inches in circumference was not able to function normally .
Gall disagreed with Philippe Pinel and Peter Camper that the larger brain the larger one 's intellectual power .