即使只是追赶的东西你提醒咖啡一瞥 - 没有喝一滴 - 可以让你感觉更警觉和周到，根据多伦多大学出版研究意识与认知。
虽然咖啡的物理效应众所周知，较少了解有关其可能的心理影响。多伦多研究人员探讨所谓的启动，其中微妙的暗示可以影响你的思想和行为的一种心理作用。知名公司标志 - 如麦当劳 - 已知引起心理反应。
研究人员对涉及揭露西方人民和东方文化对咖啡和茶有关的线索四个独立的研究。They found that those who were exposed to coffee cues, but didn’t actually drink coffee, perceived time as going by faster and thought in more concrete, precise terms than those exposed to tea cues, especially people from Western cultures, which are typically more coffee-dominated.