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. 2018 Mar 13;22:2331216518758109. doi: 10.1177/2331216518758109

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© The Author(s) 2018

Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 6. — (a) Group-averaged ASR amplitudes (± 1 SE) in response to BBN and tonal startle stimuli presented at 85 dB SPL (black traces) and 105 dB SPL (gray traces), pre- and postexposure. The average startle system noise floor is illustrated (avg. NF). The p values are for the main effect of exposure across startle stimulus (two-way ANOVA) and were not corrected for multiple comparisons at the two startle SPLs. (b) Group-averaged PPI results (± 1 SE) for prepulse levels of 50 dB SPL (black traces) and 70 dB SPL (gray traces). Again, p values compare PPI ratios before and after exposure across prepulse frequency.

ASR = acoustic startle reflex; BBN = broadband noise; SPL = sound pressure level; ANOVA = analysis of variance; PPI = prepulse inhibition.