Non-verbal communication
As the Japanese value maintaining harmony, they are not the most vocal of people. Facial expression, tone of voice and posture are often used to demonstrate one's feelings on an issue.
Frowning while someone is speaking can be interpreted as a sign of disagreement. Expats may find that the Japanese maintain an impassive expression when speaking.
While making eye contact is important, one should avoid staring into another person's eyes for an extended amount of time. This is particularly important when in the presence of someone senior in terms of either age on status.