my_bullseye
===========


.. image:: /_static/generated_stimuli/papers.example.my_bullseye.png
   :alt: my_bullseye stimulus example
   :align: center
   :width: 400px






.. py:function:: stimupy.papers.example.my_bullseye(ppd=PPD)


   My bullseye stimulus: grey on white on black

   :param ppd: Resolution of stimulus in pixels per degree. (default: 32)
   :type ppd: int

   :returns: dict with the stimulus (key: "img")
             and additional keys containing stimulus parameters
   :rtype: dict of str