This type of memory space and procedural storage are maintained whereas episodic memory space in which detailed memories are retainedis reduced, stated Aizpurua. Procedural memory may be the one to do with 'skills', the main one we have to 'do issues' . In general, it really is maintained during later years.Semantic memory, however, relates to language, to this is of concepts also to repetitive facts. Whenever we visit a restaurant, for instance, we keep in mind the sequence of actions we have to follow: wait until the waiter attends to us and tell him/how many diners there will be; whether we have booked a desk, and if so, in whose name; order the laundry, etc. Finally, episodic memory space preserves the reality of the past inside our personal life, in fact it is more particular in terms of period and space:we are able to remember, for example, the last time we went to a cafe, who we sat following to, what we ate, etc., described the author of the research.Treatment groupings were compared on an intention-to-treat basis. Before the evaluation, missing Holter data were changed with data from a proximate evaluation relating to a prespecified imputation algorithm. Freedom from atrial fibrillation and other categorical variables were compared with the usage of Pearson’s chi-square test. Time to recurrence of atrial fibrillation was compared by means of a univariate Cox regression analysis. Quality of life was analyzed through a repeated-measures analysis of variance. Data were managed with the use of SIR/DBMS and SIR/FORMS database software . Statistical evaluation was performed with the use of SPSS software, version 19 ; BMDP software, release 8.1 ; and Stata software, version 11 . A two-sided P worth of significantly less than 0.05 was thought to indicate statistical significance.