所有的参与者被要求完成一项涉及到问题解决技能的卡片分类任务，在完成任务的同时，研究人员通过磁共振成象来监测他们的大脑活动。

All were asked to perform a card-sorting task, involving problem-solving skills while their brain activity was monitored through functional magnetic resonance imaging (fMRI).

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目的：通过威斯康星卡片分类测试(WCST)及动态面部表情识别任务，探讨抑郁症执行功能障碍特征及可能机制。

Objective: To study the characteristics of executive function and its possible mechanism by Wisconsin card sorting test (WCST) and recognition of dynamic facial expression in patients with depression.

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然后，通过任务分析用户实验、卡片分类实验和焦点小组方法，探索用户界面信息建构的程序和方法，提出了一个基于目标用户研究的用户界面基本信息架构的设计样本。

Then, through the task analysis, card sorting and focus group, a design sample of IA is put forward based on the target user research, and the design process and method of IA are explored.

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