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. 2002 Oct 15;22(20):9086–9098. doi: 10.1523/JNEUROSCI.22-20-09086.2002

Fig. 6.

Fig. 6.

Sensitization to heat produced by 10 μg of capsaicin in animals pretreated with intrathecal infusion of vehicle.A, Responses of an HT neuron to heat stimuli of 41, 47, and 51°C before and after capsaicin. Also shown is the localization of the recording site for these neurons and its RF (stippled area). The arrow points to location of capsaicin injection. B, Mean ± SEM number of impulses evoked by heat stimuli before and after capsaicin for all neurons. Mean responses to heat increased after capsaicin. C, Mean ± SEM heat threshold for all neurons before and after capsaicin. Response threshold decreased after capsaicin. ∗Significant difference between mean values obtained before and after capsaicin.