METHOD AND DEVICE FOR DETECTION AND ASSESSMENT OF

专利名称：METHOD AND DEVICE FOR DETECTION AND

ASSESSMENT OF MARIJUANA IMPAIRMENT

发明人：Denise A. Valenti申请号：US15297886申请日：20161019

公开号：US20170105669A1公开日：20170420

专利附图：

摘要：A method of identifying individuals impaired by a psychoactive substance suchas cannabis. The method includes presenting monocularly to a subject being tested; toeach eye separately, a sinusoidal grating pattern of fixed spatial frequency with

achromatic contrast or color contrast between grating stripes being temporallyalternately modulated at a temporal frequency that ranges between 10 Hz and 60 Hzwith a pattern of the contrast being such that the subject being tested can see afrequency doubling in the grating pattern.

申请人：Denise A. Valenti

地址：Quincy MA US

国籍：US

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