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. 2014 Aug;21(8):380–393. doi: 10.1101/lm.035261.114

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© 2014 Tipps et al.; Published by Cold Spring Harbor Laboratory Press

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Figure 6. — Baseline normalization. Total CS freezing for delay (DFC) and trace (TFC) fear conditioning are shown normalized to three baseline measures using either a subtraction (A,C,E) or a percentage (B,D,F) method. (A,B) Normalization to No-US CS responses using (A) subtraction and (B) percentage; (C,D) normalization to the preshock period of training using (C) subtraction and (D) percentage; (E,F) normalization to altered context freezing during the CS test using (E) subtraction and (F) percentage. (*) P < 0.05 for B6 versus D2; (^{^}) P < 0.05 for DFC versus TFC.