Recently, though, there has been a notable increase in interaction with psychology and history — a welcome development.
然而，近来它与心理学和历史的相互影响明显增多了—这是一个可喜的进步。
2
Here are my five favourite studies on the psychology of human-dog interaction.
关于人类和狗的心理互动，以下是我认为最靠谱的5个研究。
3
Thirdly, feeling of interaction of light, shadow and color is represented. Meanwhile psychology and physiology health could be influenced by the color.