The Curious Dreamer’s Dream Dictionary
by Nancy WagamanProblems with the brain can represent real or imagined trouble of a mental nature (trouble solving a problem, making a decision, or thinking clearly).
A brain that’s not part of a body can represent the meanings just mentioned or the following: the self, soul, or identity of a person, the end of a life or of another process.
See Head, Body Part, Person You Know, Person Unknown
Ten Thousand Dream Dictionary
by Pamela BallTo dream of the brain being preserved indicates the need to take care in intellectual pursuits. We may be pushing ourselves too hard.
2- Since the brain is the scat of learning, we may psychologically need to consider our beliefs and ideals in the light of experience.
3- The seat of the soul.
Islamic Dream Interpretation
by Ibn SeerinA brain in a dream also may indicate one’s beliefs, religious life and the work of one’s innermost being.
(Also see Body’, Marrow)