Phineas Gage, a young railroad worker, was injured in an accident where an iron rod entered his brain just below the left eye and exited through the top of his head. This resulted in a dramatic personality change. Broca's area c. prefrontal cortex. They often appear illogical and incoherent and therefore resemble the unconscious. Random neuronal firings from the pons are combined with existing knowledge and memories by the cortex and experienced as dreams.
Dreams are our own brain's attempt to solve and resolve real-life problems.
Dreams occur because every night unneeded associations in the brain are eliminated, making memory more efficient. During dreams, normally repressed unconscious wishes and desires become conscious but in a distorted form. Your friend Melissa uses Celebrate every day. When you first meet her in the morning you are overwhelmed by the perfume. Its smell seems to occupy the whole room Melissa just entered.