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Absolute Threshold
An absolute threshold is a measure of a sensory system's sensitivity, referring to the minimum amount of stimulus energy required to be detected about 50% of the time. It represents the lowest level of physical energy that sensory receptors can reliably register as a sensation.
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Absolute Threshold
A chef touches a hot pan. Specialized nerve endings in their skin are activated by the heat, which causes them to generate an electrical signal. This signal then travels through the nervous system to the brain, which interprets it as the feeling of 'hot'. Which part of this process is the best example of converting an external stimulus into a neural signal?