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. 2012 Jan 4;37(5):1216–1223. doi: 10.1038/npp.2011.308

Figure 2.

Figure 2

Percent PPI for each individual subject demonstrates inter-subject variation. Scatter-plot indicates percent PPI for each individual subject at PP intensities of 74, 78, and 86 dB. Closed circles indicate healthy controls (n=22) and open circles indicate OCD subjects (n=22). Black bars indicate the mean percent PPI at each PP intensity. The three individuals with tics are highlighted with arrows; each individual subject is assigned a different arrowhead (filled, open, or double) that can be tracked across all three PP intensities.