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← Human Body & HealthWhy does adaptation to a strong initial taste diminish perceived intensity?
A)Odorant depletion reduces nasal airflow
B)Receptor desensitization reduces firing rate✓
C)Memory engram fades over time
D)Afferent fatigue prevents signal propagation
💡 Explanation
Taste adaptation occurs because continuous stimulation of taste receptors leads to receptor desensitization. This reduces the firing rate of the sensory neurons, therefore the perceived intensity diminishes over time, rather than due to odor depletion or memory effects.
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