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. 2013 Jun 5;110(4):942–951. doi: 10.1152/jn.00998.2012

Fig. 2.

Fig. 2.

Responses (Resp.) from 2 classes of neuron in VPL. Intact rat (INT): multireceptive neuron (MR; top traces) exhibiting a response to graded mechanical stimulation (Stim.; bottom trace). Insets show higher speed records of the response to individual stimuli. Nociceptive-specific neurons (NS; bottom traces) are unresponsive to gentle cutaneous stimulation but increase their firing to Pinch in the receptive field. Sp, spontaneous; Br, Brush; P, Pinch. Top traces above raw records indicate output of spike discriminator (above) and time of stimulus onset (below).