aThe neurological state scores are recorded in a blind fashion and expressed as median and interquartile ranges, the 25th to 75th percentile are shown in the parentheses. Baseline represents neurologi
Average number of responses (out of N = 48) to each answer option on the attentional state question per subject. Relative frequencies, expressed in percentages, are presented in the third column.
Background: The effects of polyphenols on cognitive functions have been extensively studied. Due to the large heterogeneity in the study designs, however, it is often difficult to interpret their effi
