DEVICE FOR PSYCHOLOGICAL EXAMINATIONS Russian patent published in 2002 - IPC

FIELD: medical equipment, applicable for psychological examinations. SUBSTANCE: the device has a clock-pulse generator, random- interval generator synchronized by the clock-pulse generator, random-color generator, whose first and second inputs are connected to the outputs of the random-interval and clock-pulse generators respectively, three-color light-emitting diode indicator connected to the random-color indicator and random-interval indicator, control panel of the patient under test, coding unit whose first input is connected to the output of the random-interval generator, the second input - to the control panel of the patient under test, comparison unit whose first and second inputs are connected to the respective outputs of the random-color generator, and the third input - to the output of the coding unit, decoder, OR gate, four counters whose each output is connected to the respective display unit, two pulse shapers and an initial setting selector connected to the first input of the second pulse shaper and reset inputs of the first, second and third counters, as well as to the preset input of the fourth counter; the first and third outputs of the decoder via the OR gate are connected to the countdown input of the second counter, and the second and third outputs - to the countdown inputs of the first and third counters respectively, the random interval generator output is connected to the first input of the decoder and second input of the second pulse shaper, whose output is connected to the reset inputs of the indicators and to the third inputs of the random-color generator, coding unit and decoder, whose second and fourth inputs are connected to the outputs of the comparison unit and the first pulse shaper respectively, the output of the latter is also connected to the countdown input of the foureth counter, and the first and second inputs, to the second output of the coding unit and the output of the clock-pulse generator. EFFECT: expanded functional abilities for estimation of color perception by detection of successful attempts, as well as of attempts with a bad color perception, delayed reaction and absence of reaction within the interval of presentation of a photic stimulus. 4 dwg