marginally significantP = 0.055
p ]The mean 1-back latency in the older group was lower after green tea extract and this change was marginally significant (P = 0.055), but no significant change was observed in the younger group (P = 0.77).
p ]The mean 1-back latency in the older group was lower after green tea extract and this change was marginally significant (P = 0.055), but no significant change was observed in the younger group (P = 0.77).