SU796898A1 - Device for testing psychophysiologic state of a person being examined - Google Patents

Description

(54) DEVICE FOR CONTROL OF PSYCHOPHYSIOLOGICAL STATE OF THE TEST TESTED

one

The invention relates to automation and computing, in particular to devices for the study of psycho-physiological processes, reflecting the particularities of the formation and restructuring of human skills in solving problems of probabilistic type.

There are known devices for studying psychophysiological processes / containing an information panel with indicator elements, the inputs of which are connected to a control panel, a block of indicator voltages and a software device, and the output is connected to the panel of the test person, to which the software device and the control panel are also connected, and the output is connected to a multi-track recorder and a parallel recorder in parallel through the block of consecutive reactions with the program block l.

The closest to the technical essence of the invention is a device for the study of psychophysical processes, which contains a display panel, performed on a multi-segment sign indicator, the segments of which are connected through memory and switching elements to the source of excitation, a program block connected through an address distributor to a time meter the execution of the variant of the task, the control panel of the examinee, the output of which is connected to the counter of the number of samples, to the counter of the total number correctly response actions and response indicator 2.

The disadvantage of the device is

0 the possibility of creating probabilistic-type test assignments that allow one to investigate a person's ability to quickly form and reorganize a dynamic stereotype is limited.

The purpose of the invention is to expand the didactic capabilities of the device by increasing the number of possible variants of probabilities of tasks of the type.

This is achieved by introducing a quasi-random sequence signal generator into the device, the inputs of which are connected to the distributor, the test console, and the outputs are connected via memory blocks to the information board, pulse generator, one output of which is connected to the signal generator of a quasi-random sequence, and

input - to the memory blocks, comparison blocks, the first inputs of which are connected to the register blocks, the second inputs to the test panel, and the outputs via the memory blocks - to the information board, the AND-NOT-AND element connected by the inputs to the test panel, the signal generator quasi-random sequence and to a pulse shaper, a count of the number of correctly executed actions, one input of which is connected to the pulse shaper, and the other through the AND-NOT-AND element - to the test console, and the output connected to the response indicator and the input block ogrammy.

The drawing shows a block diagram of the proposed device.

It contains a program input block 1, register blocks 2, comparison blocks 3, valve 4, information board 5, quasi-random sequence signal generator 6, task execution time counter 7, memory blocks 8, pulse driver 9, test console 10, number counter 11 (consecutively) of correctly executed actions, counter 12 of the number of correctly executed answers, counter 13 of the number of answers, indicator 14 of response, AND-NOT-15 element and indicator 16 for changing the task variant.

The device works as follows.

When the start signal is supplied from the outside to the input of the program input block 1, the start-stop mechanism starts working, and the distributor 4, the register blocks .2, the memory blocks 8, counters 7, 11, 12 and 13 simultaneously return to their initial state. the start-stop mechanism, from the program information carrier of the program input unit 1, with the help of the distributor 4, information of one variant of the task is sequentially entered into the blocks 2 of the registers. This information corresponds to a random sequence of natural numbers of numbers from 1 to n, where n is the number of working segments in the information board 5.

In blocks of registers 2, one of the p1 combinational variants of the task is written, the number of which with n 7-5040 variants, and with n 9 more than 362-10 variants.

At the last step - n + 1st - step, the distributor 4 sends a starting signal to the input of the generator 6 signals of a quasi-random sequence and to the input of the counter 7. The generator 6 with a single output signal excites one of the elements of the memory block 8, which, in turn, connects the information board segment 5 connected to it to the excitation source and sends a signal to the pulse shaper 9, from which a feedback signal is fed to the generator 6 input, locking the output of the excitation signals to the memory blocks 8 before you Yeni positive developments. From this moment, counter pulses from the reference frequency generator start to receive counting pulses from the generator, as a result of which the lead time is measured. This completes the process of preparing the device for operation.

In the course of work, the subject asks every time when performing the response a minimum number of samples to turn off the excited segment on the information board 5. To do this, based on the likelihood of judgment and inference, he chooses the most effective sequence of actions for pressing the desired buttons on the test panel’s response panel 10. So as the probability of the correct pressing of the button with the corresponding dim number from the first sample is equal to P, from the second P to the third RH - and so on, then the result of the response dy times either the right or oshibochn2: 1st.

Claims (2)

When pressing any of the n buttons on the keypad of the response of the console 10 of the subject, the response code enters through the remote control matrix of the subject's test unit 3 units of comparison. With the correct response, the response code coincides with the code of the number recorded in one of the blocks of 2 registers. A coincidence pulse from the output of the comparison unit 3 is fed to the input of the excited element of the memory block 8 and brings it to the initial state. As a result, the memory block 8 disconnects the excited segment of the information board 5 from the power source and sends a signal to: the input of the pulse shaper 9, which records one in the counters 11 and 12. In addition, when performing the response through the OR element of the console, the test subject enters the signal to the inputs of the counter 13, the response indicator 14 and the input of the NAND element 15. As a result, the counter 13 records +1 — the fact of the response, the corresponding signal is displayed on the response indicator 14. Under these conditions, the implementation pulse to the reset bus of the counter 11 does not arrive, since the AND-NAND-15 element is at this moment blocked by a positive signal from the driver 9 pulses. In addition, at this moment, a permitting signal arrives at the input of the generator 6, which is excited by the next element of the memory block 8 from the shaper 9 pulses. This completes the change process in the device, and the subject proceeds to prepare the next response. In cases where the subject performs an incorrect response, the response code coincides with the code of the number recorded in block 2 of the register, which is indirectly associated with the unexcited element of memory block 8. The impulse of coincidence with the output of the corresponding comparison unit 3 only confirms the initial state of the associated element of the memory block 8, and the information board 5 will not change. In addition, the signal from the response keypad through the OR element of the test unit 10 will be sent to the generator's controlled input 6 of the quasi-random sequence signals, as well as to the inputs of the counter 13, the response indicator 14 and the NE-NE element 15 to the counter reset bus 11. As a result, the response indicator 14 indicates to the subject that the action is perfect, and by the absence of changes on the information board 5, the subject determines that the response was erroneous. The generator of 6 signals of a quasi-random sequence produces an internal movement. Not one step, but without issuing an excitation signal to the memory blocks 8, in the counter 11 of the number of correctly executed actions, the previous information is reset, in the counter 13 of the number of replies, one is recorded (the fact that the next npoQii was performed). When the subject forms a figurative model of the correspondence between the spatial arrangement of the segments on the information board 5 and the symbol for the response of the control panel 10 to the subject, which he can do after performing a certain number of samples (the number of test samples may be within R min n -tl + 2 + 3 + ... + (n-1), the test subject has to do another M response, which practically means that the research continues until the test participant’s answers satisfy any convincing success criterion, for example, unless another N, or 2N, or 3N (correct) response was performed. To implement this condition, a counter 11 is used in which one of the indicated counting limits is set by the external governing body. When the test is performed, the counter 11 overflows, and, from its output, an overflow pulse is fed to the measurement result output bus from counters 7, 12 and 13, to the task indicator 16 and to the control input of the program input unit 1. As a result, the collected information relating to the execution of the task variant is output from counters 7, 12 and 13 to an external recording device, and c. by starting the start-stop mechanism of the program input unit 1, the operation process of the device is similarly repeated. The technical and economic effect of the invention consists in increasing the efficiency and accuracy of measuring the dynamics of psycho-physiological processes in humans. The invention The device for monitoring the psycho-physiological state of the subject, containing an information board, an input program block, connected via a dispenser to the task execution time counter, the control panel of the examinee, the output of which is connected to the response indicator and the number counter of correctly performed answers, blocks of registers whose first inputs are connected to the distributor and the input unit nporpaMNW, the counter of the number of answers, the indicator of answers, the indicator of tasks, characterized in that, in order to expand the di capabilities of the device due to an increase in the number of possible variants of probabilities of the type, a signal generator of a quasi-random sequence is inserted in it, the inputs of which are connected to the distributor, the test console, and the outputs are connected via memory blocks to the information board, pulse shaper, one output is connected to the signal generator of a quasi-random sequence, and the input to the memory block 1M, comparison blocks, the first inputs of which are connected to the blocks of registers, the second inputs to the console and the output, and the outputs through the memory blocks to the information board, an INE-I element connected by inputs to the test panel, a quasi-random sequence signal generator and a pulse shaper, a count of the number of correctly performed actions, one input of which is connected. It is connected to the test pulse shaper and the other through the NANDI element to the test panel, and the output is connected to the response indicator and the program input unit. Sources of information taken into account in the examination 1. The author's certificate of the USSR 229736, cl. A 61 B 5/06, 19b8. 2. Authors certificate of the USSR 435554, cl. G 09 B 7/00, 1974.