Retraction notice to “Acetylcholinesterase inhibitors enhance cognitive functions in rats following hypobaric hypoxia” [Behav. Brain Res. 203/1 (2009) 1–14, (S0166432809001909), (10.1016/j.bbr.2009.03.026)]

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Editors-in-Chief due to concerns regarding image manipulation. There appears to be overlap between the images in Fig. 5 and Fig. 18. The Editors-in-Chief contacted the authors requesting a response to these allegations. Two of the listed authors responded that this was an unintentional mistake they acknowledge, however, the raw data is no longer available and the figure cannot be corrected. The Editors-in-Chief no longer have confidence in this article and decided to retract it.