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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Pain. 2016 Apr;157(4):868–878. doi: 10.1097/j.pain.0000000000000450

Fig. 6. Simultaneous recording from a photosensitive OFF-cell and light-insensitive ON-cell demonstrates that light-sensitive and -insensitive cells are intermingled.

Fig. 6

Ratemeter records (1 s bins) with heat onset and paw withdrawal as well as the duration of light stimulus shown below each trace. The OFF-cell firing slowed or ceased at the time of the paw withdrawal and during the light stimulus. By contrast, the ON-cell responded at the time of paw withdrawal, but not during light exposure. Inset shows the waveforms for the two units, with the ON-cell in black, OFF-cell in gray.