Here are some surprising âfight-or-fightâ triggers to avoid. As a species, we are tribal people, so from a survival perspective, being alone too much can signal the amygdala to trigger stress responses.
The spinal cord is connected to the brain by the brain stem. The medulla oblongata connects the spinal cord to other structures in the brain stem and the brain proper. The brain stem is responsible for some the most basic processes of survival, including the control of hunger, thirst, blood pressure, body temperature and breathing. Continue Reading.
Brain Stem: The brain stem connects the cerebral hemispheres with the spinal cord relaying signals in both directions. It is comprised of the medulla oblongata, the pons, and the midbrain. The Medulla is actually an enlarged portion of the upper spinal cord and forms the lowest portion of the brain stem.