Types of hearing loss and their origins will be discussed. To get a sense of the evolution of the auditory system, we will also compare the human auditory system with that of other animals, noting the commonalities and divergence points of the structures involved in hearing.įinally we look at when the auditory system malfunctions. In addition to feedforward pathways from the auditory periphery to the cerebral cortex (also known as afferent pathways), we will also consider efferent pathways, or feedback routes from the central nervous system to the auditory periphery, which support the view that hearing is not a passive state, but an activity that requires constant change and flexibility. We will discuss how the cochlea transforms sound into neural impulses, which are then to be relayed in various transformations through the neural centers of the brainstem and midbrain before it is processed by the primary and secondary auditory cortices. To understand this system, we will follow the pathway that sound travels from the outer ear to the cochlea. The auditory system is a set of biological structures and functions that enable you to hear. To understand the physiological bases of musical phenomena, this unit will provide an in-depth overview of the structure and function of the auditory system. Much of our auditory and musical functions arise from the anatomical structures of our brain and auditory system. How do you know when you have damaged hearing?.
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