Tapio MANTYSALO,Markku LEINONEN,Harri KAASALAINEN,Katariina SAMPINEN,Marika OJALA
申请号：
US14915640
公开号：
US20160220162A1
申请日:
2014.09.02
申请国别(地区):
US
年份:
2016
代理人:
摘要：
This invention relates to testing and determining a threshold value used in psychometric testing in field of ophthalmology, neuro-ophthalmology and visual neuropsychology. The method comprises at least the following steps:a) displaying a symbol with a distinctive visual appearance and with a stimulus level to a display at a stimulus time-point, the symbol selected from a group of possible symbols,b) monitoring if a response is given on a response device with multiple choices, each choice representing a possible visual appearance or location of the symbol, andb1) if a response is not given in a response time-limit from the stimulus time-point, increasing the stimulus level of the symbol by a predetermined step and returning to step a), orb2) if a response is given in the response time-limit from the stimulus time-point, comparing the response to symbol displayed in step a), andc1) if the response does not correspond to the symbol displayed in step a), producing, e.g. displaying, an error feedback and returning to step a), orc2) if the response corresponds to the symbol displayed in step a), determining if stop criteria for the test is satisfied, andd1) if stop criteria for the test is not satisfied, decreasing the stimulus level by a predetermined step and returning to step a), ord2) if stop criteria for the test is satisfied, ending the test.
