Piezo2 is a specialized ion channel which opens when mechanically stretched and so depolarizes the cell. Implicated in the response to light touch. This channel is found in both Meissner's corpuscles and Merkel's discs.

Johns Hopkins University

Merkel's disks are a type of touch receptor found in the skin that is specialized to respond to light pressure.

Merkel's Disks

Breedlove, S. & Watson, N. (2017). Behavioral neuroscience, eighth edition. Oxford University Press.

Behavioral Neuroscience 8th Edition

Piezo2

Touch, Thermoception, and Nociception. (2019). [Image]. Lumen Learning. https://courses.lumenlearning.com/wmopen-psychology/chapter/reading-touch-and-pain/

Merkel's Discs Image Reference

Given the following scenario, identify the specific type of touch receptor that is most critical for the described task and explain the reasoning behind your choice.

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