A complex process
Have you ever wondered how we hear? Although it seems automatic, hearing involves a complex process that involves different components of your ear. Understanding this mechanism can help you grasp the ways in which this process can be disrupted, leading to hearing loss.
From sound to electrical signal
Many people underestimate the impact of hearing loss, viewing it as a simple sensory issue. In reality, hearing loss can have a fundamental impact on communicating and connecting with others, which is why hearing is vital to overall health.
External ear
The outer part of the ear absorbs sound waves from the environment. These sound waves travel through the ear canal before reaching the eardrum.
Middle ear
Movement of the eardrum activates the ossicles – three small, connected bones. This activity helps propel sound waves further into the inner ear.
Internal ear
Thousands of sensory cells in the inner ear help convert sound waves into electrical signals.
The brain and hearing
These signals are then transported to the brain via the auditory pathways. The brain continues to process these signals, including making sense of them. Specific areas of the brain are involved in this process, including the temporal lobe, Broca's area, and Wernicke's area. These areas are responsible for understanding language and speech and interpreting auditory information received from the ears.
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