MYH6 and hydrops fetalis: With the aim to elucidate the molecular processes by which cardiovascular dysfunction leads to memory impairment and increases the risk for dementia, we decided to employ a well‐established mouse model for HF in which cardiomyocyte‐specific kinase CamkIIδc is overexpressed under the control of the alpha‐MHC promoter (CamkIIδc TG mice) (Maier et al, 2003).