WK (Wait Key)
This command waits for a key action of the specified keys. The response will not be recorded but can be used by the IFKEY-session command for response dependent jumps within the session definition (see IFKEY-session command). The WK-command is typically used to acknowledge instructions and to define self-paced trials.
WK [Key ]
Defaults:
Key - (Any key of the standard keyboard)
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