Psychtoolbox for Undergrad RA

1. Install Psychtoolbox here and carefully read this course

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2. Learn these demos: always check out help info first and then evaluate it line by line by selecting a line and then right clicking

• Demo 1: Open screen

  • Your task:​

    • Make the screen white​

    • Then make it blue

    • Then make it 500x500 rather than full screen

• Demo 2: Timing the change

  • Your task:​

    • Make the screen change color every 4s

    • Change color into: yellow, green, blue, black

    • Add one more color change of your choice

• Demo 3: Present fixation

  • Your task:​

    • Make the fixation centered on a 500x500 screen ​rather than full screen

    • Make the fixation presented in the upper left corner

    • Make the fixation line thicker, bigger, and red

    • Present the fixation only for 3s and then flip to a white screen with nothing on it

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