Psychology Glossary 139

Psychological Dependence: The psychological need or craving for a drug.

心理依赖：对毒品的心理需求或渴望。

Psychology: The scientific study of the behavior of individuals and their mental processes.

心理学：研究个人行为及其心理过程的科学。

Psychometric Function: A graph that plots the percentage of detections of a stimulus (on the vertical axis) for each stimulus intensity on the horizontal positions of corresponding images in the two eyes.

心理测量功能：在两眼对应图像的水平位置上绘制每一刺激强度的检测百分比（纵轴）的图表。