A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/16 (2006.01) G09B 5/04 (2006.01)
Patent
CA 2103261
2103261 9220282 PCTABScor01 In a device to test a person's attention or concentration ability, a series of digits is read out at a pre-determined, alterable speed by a speech recorder (62) and delivered by a speech generator (66) to headphones (10). The subject must press a button (16) every time a target (e.g. "0") is heard. Also every time a "0" is heard, a control unit (50) produces a window signal which is connected by an error logic circuit (70) to the key-press impulse. If the reaction is correct, the key-press impulse will be within the time window, and a counter (74) will accordingly increase the number of the "score". Any key-press impulse falling outside the time window is an omission error to be counted by another counter (75). The counter status is then analyzed to calculate an error index (IE).
Ludwig Lothar
Pigache Robert
Psychometric Investments Nv
Ridout & Maybee Llp
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