{"id_concept_class": "", "creation_time": 1512660597215, "event_stamp": "2015-04-03T21:54:49", "def_id_user": "usr_4e42a3196fbcd", "def_event_stamp": "2015-04-18T21:09:04", "last_updated": 1512660597215, "def_id": "def_5532c7f057998", "name": "Continuous Performance Test - AX version", "alias": "", "definition_text": "A version of the continuous performance task in which subjects are told to make one response for the letter X when it was preceded by the letter A, and another response for all other stimuli. AX trials are "target trials"; in these types of trials a valid cue is followed by a valid probe. The 3 other trial types are "Non-target trials" in which either a valid cue is followed by an invalid probe ("AY" type trials) or an invalid cue is followed by either a valid or invalid probe ("BX" or "BY" probes, respectively).", "id_user": "usr_4e42a3196fbcd", "id": "trm_551f0c294ce23", "type": "task", "conditions": [], "concepts": [{"id_concept_class": "ctp_C4", "creation_time": 1512660638264, "event_stamp": "2009-06-22T19:12:57", "def_id_user": "usr_49a467bf4e0db", "def_event_stamp": "2010-07-14T18:39:19", "last_updated": 1512660638264, "def_id": "def_4c3e0457a3096", "name": "active maintenance", "alias": "", "definition_text": "The maintenance of information in working memory through active (volitional) rather than passive means", "id_user": "usr_0000000000", "relationship": "ASSERTS", "concept_id": "trm_4a3fd79d0ba0d"}], "indicators": [], "external_datasets": [], "implementations": [], "citation": [], "contrasts": [], "batteries": [], "disorders": []}