Add background flash with Cedrus box

[wakecarter]

How do you normally get responses from the Cedrus buttonBox?

It could be that you just need to check buttonBox exists first with if buttonBox:.

Wakefield's Daily Tips

Use keyboard components instead of event.getKeys() The keyboard component in PsychoPy Builder uses the Keyboard class, which has better timing than the older event module. If you want to identify whether a key has been pressed in Each Frame then code of the form keys = event.getKeys() can be replaced with keys = [] if key_resp.keys: # Keyboard component should store all keys and not force the end of the routine if len(key_resp.keys) > nKeys: # Add nKeys = 0 in Begin Routine keys =…