BDNF and Hypertension: It is also important to point out that temporal auditory processing was not only shown to rely on speed and working memory [25,55,89,90], but also that hypertension-linked memory-deficits over age were linked with lower BDNF levels [91] and that attention- and memory-linked accentuation processes can fail due to deficits in age-dependent circulation of blood flow [92].