本文主要探讨完形与世界模型的关系。

格式塔心理学引入了心理学的动力学视角，启发我们从一个全新的角度看待世界模型的构建，自我、感官、旧脑等综合作用下会产生不同的行为环境的内容。
考卡夫向我们展示了一系列实验，表明人在解构感知信息时会倾向于简单性、相似性、闭合性等一系列完形原则，虽然其大作《格式塔心理学原理》中并未探讨成因，但在生理-心理联合框架上下足了理论功夫。 Read more

如果全部读完，基本算是一门脑科学、心理学、神经科学入门指引课。视频地址：https://www.youtube.com/watch?v=WuUnMCq-ARQ

Most thought is unconscious, and the usual estimate is around 98 percent. But if you believe the work that Stan Dehaene talked about the other night, it is more than 98 percent. Consciousness is the tip of the iceberg of thought. It is there that things are put together in an interesting way and the interesting way is the following, that before consciousness, what happens is that your brain unconsciously changes what you perceive or what you think. This is something remarkable. I think one of the best papers I heard on this was by Shin Shimojo who is a vision scientist at the Caltech. He came to Berkeley a couple of months ago and gave a truly remarkable overview of experiments that showed this, many of them which were his. Let me give you a sense of this. Suppose you know that if there are flashing lights and they are going along and they are going fast enough, they look like a single stream. Read more

tensorflow的灵活性带来的学习成本是很多人头疼的问题，在tf中，读取数据基本有四种方法：
1. tf.data （官方推荐）：方便地构建复杂的输入管道
2. Feeding：通过input_fn来yield数据
3. QueueRunner：基于队列的输入管道
4. 预加载数据。用constant或variable在内存中存储所有的数据
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