Biology / Bio 2871 · Atom · ~20 seconds
Sensory Transduction
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Sensory transduction is the conversion of a stimulus into an electrical receptor potential, which can trigger an action potential, per Bio 2823, if it reaches threshold.
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A mechanoreceptor's gated ion channels open when pressure bends its membrane, converting mechanical force into an electrical signal.
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A receptor potential is graded, scaling with stimulus strength, unlike the all-or-nothing action potential it can trigger.