stimulus_role
A stimulus may play different roles within a trial. Below is a list of some possible roles:
info
Part of the Stimulus category of the Response table in the trial schema.
Details
| Property | Value |
|---|---|
| Type | enum |
| Requirement | optional |
| Range | - "target": "A stimulus the subject must process and which should trigger the completion of the response (e.g., classify, reach, memorize) if the subject is doing the task as intended. Note that in some cases (e.g., in a go/no-go task) the correct response to a stimulus is to NOT click the button. In this case, the stimulus that triggered the decision to NOT click the button is still a target." - "non_target": "A stimulus the subject must process but which does not trigger the completion of the response (e.g., the first two stimuli in a 2-back test)." - "distractor": "A stimulus the subject should not process at all (i.e., ignore) and which is unrelated to the correct execution of the task." - "location_cue": "A stimulus giving a spatial location information that subjects could use to improve their performance." - "job_specifier": "A stimulus specifying which job the subject should perform." - "stop_signal": "A stimulus signaling the participant he should abort his current action." - "probe": "A stimulus indicating about which stimulus to respond." |
| Categories | Stimulus |