Table 2. Overview of mouse batches employed.

Batch Name	Analyses	Batch Size(n = number of mice per group)
PTSD I	Behavior (d28–30) + WB (d2, d28, d60)	Behavioral tests: n = 16 per time point; WB: n = 6 per time point
PTSD II (confirmatory batch)	Behavior (d28–30) + WB (d60) + IHC (d60)	WB: n = 6; IHC: n = 6
PTSD III	Behavior (d59–60)	n = 14 (no shock), n = 16 (shock)
PTSD IV (fluoxetine treatment)	Behavior (d59–60) + WB (d74)	Behavioral tests: n = 16 (ctrl), n = 14 (fluoxetine); WB: n = 6

Abbreviations: posttraumatic stress disorder (PTSD); western blot (WB); behavioral analysis (Behavior). For detailed explanation of the PTSD stress paradigms and the course of pharmacological fluoxetine treatment see methods and results chapter.