The brain is composed of different regions, each with its specific and particular functions, although each communicates with other regions. (Fisher, Helen, PhD. Why We Love. p 68-80. NY: Henry Holt and Company, 2004.)

Life requires many brain functions, functions require systems, and systems are made of synapses connecting neurons. All have similar brain systems and numbers of neurons. The way those neurons are connected is distinct, however, and that uniqueness makes each person unique. (LeDoux, Joseph. Synaptic Self. p 303-304. NY: Penguin Books, 2002.)

The brain is composed of subsystems that are responsible for the way you think, feel, and act. The problem has been less in trying to pin down discrete neuroanatomical loci than in defining a “function” or “behavior” exactly. (Miller, Lawrence, PhD. Inner Natures. p 31. NY: Ballantine Books, 1990.)

Each part of the human brain has a specific function but each brain is unique and environmentally sensitive. Its modules are interdependent and interactive and their functions are not rigidly fixed. One bit may take over the job of another or fail to work at all. (Carter, Rita, Ed. Mapping the Mind. p 10. CA: University of California Press, 1998.)

Specialized functions are assigned to each lobe of each cerebral hemisphere:

  • Frontal lobes: formulate schedules, frame sound arguments, imagine things that have not yet happened, store short-term memories so can consider a new idea while remembering concepts previously entertained, (L frontal lobe – Broca’s area where thoughts turn into words)
  • Parietal Lobes: most responsible to sensory stimulation, absorbs clues about taste, temperature, touch, and movement; assist with reading and arithmetical abilities
  • Temporal lobes: processes auditory signals; integrate memories and sensations involving taste, sound, sight, and touch
  • Occipital lobes: process visual images and link them with images already stored in memory

(Schramm, Derek D., PhD. The Creative Brain. p 2, 7-8. CA: Institute for Natural Resources, Health Update. 2007.)

Each brain region is responsible for selected functions. For example:

  • Brain stem (Medulla oblongata, Pons, Midbrain):Reticular formation, relays motor impulses, vital regulating centers.
  • Cerebellum: Coordinates complex, skilled movement.
  • Diencephalon (Epithalamus, Thalamus, Subthalamus, Hypothalamus): Relays almost all sensory input to cerebral cortex, Regulates emotional and behavioral patterns and circadian rhythms.
  • Cerebrum: Interpret sensory impulses, association areas function in emotional and intellectual processes.

(Tortora, Gerard J. and Sandra Reynolds Grabowski. Principles of Anatomy and Physiology, 10th Edition. p 471-472. NY: John Wiley & Sons, Inc., 2003.)

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