Question

What region of the brain did Descartes and other contemporary philosophers believe was the “seat of the soul”?

Answer 1

Pineal gland

Step-by-step explanation:

The pineal gland is a tiny organ in the center of the brain that played an important role in Descartes’ philosophy. He regarded it as the principal seat of the soul and the place in which all our thoughts are formed.

Stanford Encyclopedia of Philosophy