Fig. 4

Stimulus-evoked HbT responses. Amplitudes of the HbT response to whisker stimulation pre- and up to 6 h post-injection of vehicle or IL-1β. Points represent the average of groups where two to four imaging experiments (each consisting of 30 trials) have been binned per animal. Data shown as mean ± SEM; * p < 0.05; *** p < 0.001, according to repeated-measure ANOVA excluding the pre-injection data points, with Sidak post-test