Fig. 2From: The effect of black tea on human cognitive performance in a cognitive test batteryEffect of Black Tea (BT) and Water on Visual Search task. Vertical axis represents Reaction Time (RT) in millisecond (ms) while represents various stimulus size namely, Sti_10: Stimulus Size 10; Sti_20: Stimulus Size 20; Sti_30: Stimulus Size 30. Data is represented as Mean valueBack to article page