{"id_concept_class": "", "creation_time": 1512660587865, "event_stamp": "2011-04-15T17:57:16", "def_id_user": "usr_4cf5de07654c8", "def_event_stamp": "2011-04-15T17:57:16", "last_updated": 1512660587865, "def_id": "def_4da886fc2c9d3", "name": "Visual Patterns Test", "alias": "", "definition_text": "is a measure of short term visual memory that has been designed for use both as a clinical tool and a research instrument.  In the VPT, the subject is presented with matrix patterns of black and white squares in grids of varying size and required to memorize a series of black and white checkerboard-like patterns of increasing complexity. Such matrix patterns are virtually impossible to code verbally.", "id_user": "usr_4cf5de07654c8", "id": "trm_4da886fc2bc46", "type": "task", "conditions": [], "concepts": [], "indicators": [], "external_datasets": [], "implementations": [], "citation": [], "contrasts": [], "batteries": [], "disorders": []}