Why Was Descartes' Hydraulic Model of Brain Function an Important

Multiple Choice

Why was Descartes' hydraulic model of brain function an important step in modern understanding of the brain?

A) This model correctly marked the pineal gland as the "seat of the soul."
B) This model correctly stated that muscles were inflated with liquid, which led to movement.
C) This model predicted the existence of encased nerve cells.
D) This model was a first attempt at providing a physical explanation for behavior.