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. 2009 Oct 16;4(10):e7487. doi: 10.1371/journal.pone.0007487

Figure 4. Time-Course of the Chills Response.

Figure 4

Real-time physiological recordings plotted against the time-course of the chills response reveal that chills are experienced during the peak of sympathetic nervous system activity. Individuals who experienced no pleasure to the same excerpts did not show significant changes in psychophysiological responses during the epochs that chills were experienced in individuals who found the music highly pleasurable.