PyEPL (the Python Experiment-Programming Library) is a Python library which allows cross-platform and object-oriented coding of behavioral experiments. It provides functions for displaying text and images onscreen, as well as playing and recording sound, and is capable of rendering 3-D virtual environments for spatial-navigation tasks. It is currently tested for Mac OS X and Linux. It interfaces with Activewire USB cards (on Mac OS X) and the parallel port (on Linux) for synchronization of experimental events with physiological recordings. In this article, we first present two sample programs which illustrate core PyEPL features. The examples demonstrate visual stimulus presentation, keyboard input, and simulation and exploration of a simple 3-D environment. We then describe the components and strategies used in implementing PyEPL.
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机译：PyEPL（Python实验程序库）是一个Python库，它允许对行为实验进行跨平台和面向对象的编码。它提供了在屏幕上显示文本和图像以及播放和录制声音的功能，并能够渲染3D虚拟环境以进行空间导航任务。目前已针对Mac OS X和Linux进行了测试。它与Activewire USB卡（在Mac OS X上）和并行端口（在Linux上）连接，以使实验事件与生理记录同步。在本文中，我们首先提供两个示例程序，这些程序说明了PyEPL的核心功能。这些示例演示了视觉刺激演示，键盘输入以及对简单3D环境的仿真和探索。然后，我们描述实现PyEPL所使用的组件和策略。
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