opiPresent {OPI}

Calls opiPresent_for_MACHINE as appropriate.

Description

Specific parameters and return values can be seen in the machine specific versions listed below in the ’See Also’.

Usage

opiPresent(stim, ...)

Arguments

stim

A stimulus object or list as described for each machine in the 'See Also' methods.

...

Other arguments that might be needed by each machine in the 'See Also' methods.

Value

Each implementation should(!) return a list with at least the following elements:

• err NULL if no error, otherwise a string describing the error.

• seen TRUE if stimulus seen, FALSE otherwise

• time Response time from onset of stimulus in milliseconds.

See Also

opiPresent_for_Compass(), opiPresent_for_Octopus900(), opiPresent_for_ImoVifa(), opiPresent_for_PhoneHMD(), opiPresent_for_Display(), opiPresent_for_PicoVR(), opiPresent_for_SimNo(), opiPresent_for_SimYes(), opiPresent_for_SimHenson(), opiPresent_for_SimGaussian()