Kungfu Panda, on the way!分享http://blog.sciencenet.cn/u/gutbahn用科学方法研究人类语言 Jinxing Yue's blog: Studying the brain bases for language and other cognitive functions
1.left button, single click the Y axis; right button, choose 'format axes' 2. choose the window of 'left Y axis' 3. Change the direction in 'gaps and directions' at the top of the panel.