 | Brain Mind Lecture 2: Visual Auditory Midbrain Brainstem Brain Mind Lecture 2: Visual & Auditory Midbrain & Brainstem, Language, the Left Hemisphere, An Introduction and Overview Rhawn Joseph, Ph.D. http://BrainMind.com These are introductory lectures providing an overview of the functional organization of the brain. The video constitutes one of six Brain Mind Introductory Lectures, posted on youtube, each providing an introductory overview of the functional organization of the brain. To reduce confusion, all CT images have been reversed so damage on the left appears on the left, and right sided damage appear on the right. For a detailed presentation I recommend one of the best neuroscience texts of all time: the 2nd edition of Neuropsychiatry, Neuropsychology, Clinical Neuroscience, by Rhawn Joseph, Ph.D. Dr. Rhawn Joseph has published major scientific discoveries in prestigious scientific journals and has published several highly acclaimed "best selling" advanced post-graduate textbooks. In the 1970s he proved/discovered 1) the role of early environmental influences on learning, memory, attention, and impulse control, 2) the role of sex hormones and the lack of sex hormones on sex differences in behavior, cognition, learning, memory, and spatial ability, 3) neurplasticity and recovery of function in the primate brain and is considered one of the founding fathers of the field of Developmental Neuropsychology. Dr. Joseph also published major scientific discoveries on "split-brain" functioning and the duality of consciousness. He coined the term "limbic language." His theory of language first published and featured on the cover of the 1983 Journal of Clinical Psychology, has been widely accepted and scientifically verified and numerous scientists now claim the theory as theory as their own. Dr. Joseph's scholarly articles and monographs have been reprinted by major universities and medical schools, including Harvard, have been translated and republished by foreign scientific journals, and he has been invited to speak at the University of Geneva, Brigham Young University, the University of Japan, Santa Clara University, and the University of California at Berkeley. |
 | How the Body Works : The Auditory Pathways The Auditory Pathways The auditory center, in the brain, shown above in red, is concerned with hearing. Although shown here on the outer surface of the brain, most of this area lies within the temporal lobes and is found within the surface of the cerebral cortex on both sides of the brain. The auditory pathways begin in the nerve fibers of the organ of Corti in the inner ear, where sound waves are converted to nerve impulses. These impulses travel in the auditory nerve to the auditory cortex of the brain. During their passage to the auditory center, some of the auditory nerve fibers cross in the brain stem. This results in the sound which enters one ear passing to both cortices. The impulses are relayed in the lateral lemnisci and from there, via the medial geniculate nuclei, to the auditory cortices in the temporal lobes of the brain, where sound is perceived. |
 | How the Body Works : Brain Weight Brain Weight Brain weight increases dramatically in the first year of life. As the brain develops and the cerebral cortex increases in size, more areas of the child's body, as well as visual and auditory faculties, come under greater control. As the brain stem ceases to exert so much control, the reflex actions of the newborn disappear. |
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