How did the transition from walking on four legs to two legs influence the evolution of human somatosenses?

Question

Quizplus · Accepted Answer

The transition from walking on four legs to two legs shifted the evolutionary pressure from somatosenses towards vision and audition. As humans began to rely more on their eyes and ears for survival and navigation, there was less selective pressure for the development of somatosensory abilities. Therefore, somatosensory abilities did not evolve as prominently as vision and audition.

How Did the Transition from Walking on Four Legs to Two