Session 3 Psychophysical Tests 90 Minutes Session 3

Session 3 – Psychophysical Tests 90 Minutes Session 3 Psychophysical Tests Preliminary Training for Drug Evaluation and Classification Program

Session 3 – Psychophysical Tests Learning Objectives • Administer the four divided attention tests used in the drug influence evaluation process • Document the subject’s performance of those tests Preliminary Training for Drug Evaluation and Classification Program 3 -2

Session 3 – Psychophysical Tests Modified Romberg Balance Test Diagram Modified Romberg Balance Approx. Internal Clock: _____Estimated as 30 sec. Preliminary Training for Drug Evaluation and Classification Program 3 -3

Session 3 – Psychophysical Tests 30 Seconds • Internal timing estimate • Some drugs tend to speed up or slow down the subject’s internal clock Preliminary Training for Drug Evaluation and Classification Program 3 -4

Session 3 – Psychophysical Tests Modified Romberg Balance Test • Divided attention • Internal Clock Preliminary Training for Drug Evaluation and Classification Program 3 -5

Session 3 – Psychophysical Tests Modified Romberg Balance Test Administration • Tell the subject to stand straight with the feet together and the arms down at the sides • Tell the subject to maintain that position while you give the instructions (Ask the subject if he or she understands so far) • Tell the subject when you instruct them to begin the test, they must tilt their head back and close their eyes • Tell the subject that when you say "Start", they must keep their head tilted back with their eyes closed until they think that 30 seconds have gone by • Tell the subject that, when they think the 30 seconds have gone by, they must bring their head forward, open their eyes, and say "Stop" Preliminary Training for Drug Evaluation and Classification Program 3 -6

Session 3 – Psychophysical Tests Modified Romberg Balance Test Administration (Cont. ) • Ask the subject if they understand • Look at your timing device and pick a convenient time to start the test • Tell the subject to tilt their head back and close their eyes • Tell the subject to begin or start the test • Keep track of time while the subject performs the test • When the subject opens the eyes, ask them "how much time was that? " • If 90 seconds elapse before the subject opens their eyes, stop the test Preliminary Training for Drug Evaluation and Classification Program 3 -7

Session 3 – Psychophysical Tests Modified Romberg Balance Test Demonstrations Modified Romberg Balance 2 2 1 1 Internal Clock: _____Estimated as 30 sec. Preliminary Training for Drug Evaluation and Classification Program 3 -8

Session 3 – Psychophysical Tests Modified Romberg Balance Test Practice Modified Romberg Balance Internal Clock: _____Estimated as 30 sec. Preliminary Training for Drug Evaluation and Classification Program 3 -9

Session 3 – Psychophysical Tests Walk and Turn Test Preliminary Training for Drug Evaluation and Classification Program 3 -10

Session 3 – Psychophysical Tests Walk and Turn Test Diagram Walk And Turn Test Describe Turn Cannot keep balance______ Starts too soon ________ 1 st Nine 2 nd Nine Stops Walking Misses Heel-Toe Steps Off Line Raises Arms Actual Steps Taken Cannot Do Test (explain) Preliminary Training for Drug Evaluation and Classification Program 3 -11

Session 3 – Psychophysical Tests Walk and Turn Test • Instructor – Participant demonstration • Participant – Participant demonstration Preliminary Training for Drug Evaluation and Classification Program 3 -12

Session 3 – Psychophysical Tests Walk and Turn Recording Results Walk And Turn Test Describe Turn Cannot keep balance______ Starts too soon ________ 1 st Nine 2 nd Nine Stops Walking Misses Heel-Toe Steps Off Line Raises Arms Actual Steps Taken Cannot Do Test (explain) Preliminary Training for Drug Evaluation and Classification Program 3 -13

Session 3 – Psychophysical Tests Walk and Turn Test Diagram M S Preliminary Training for Drug Evaluation and Classification Program 3 -14

Session 3 – Psychophysical Tests Walk and Turn Test Diagram (Cont. ) M S Preliminary Training for Drug Evaluation and Classification Program 3 -15

Session 3 – Psychophysical Tests Walk and Turn Test Diagram Practice Walk And Turn Test Describe Turn Cannot keep balance______ Starts too soon ________ 1 st Nine 2 nd Nine Stops Walking Misses Heel-Toe Steps Off Line Raises Arms Actual Steps Taken Cannot Do Test (explain) Preliminary Training for Drug Evaluation and Classification Program 3 -16

Session 3 – Psychophysical Tests One Leg Stand Test Diagram One Leg Stand: L R Sways while balancing. Uses arms to balance. Hopping. Puts foot down. Type of Footwear Preliminary Training for Drug Evaluation and Classification Program 3 -17

Session 3 – Psychophysical Tests One Leg Stand Test Administration One Leg Stand: L R Sways while balancing. Uses arms to balance. Hopping. Puts foot down. Type of Footwear Preliminary Training for Drug Evaluation and Classification Program 3 -18

Session 3 – Psychophysical Tests One Leg Stand Test Administration (Cont. ) One Leg Stand: L R Sways while balancing. Uses arms to balance. Hopping. Puts foot down. Type of Footwear Preliminary Training for Drug Evaluation and Classification Program 3 -19

Session 3 – Psychophysical Tests One Leg Stand Test Diagram Recording Results Preliminary Training for Drug Evaluation and Classification Program 3 -20

Session 3 – Psychophysical Tests One Leg Stand Hands-On Practice One Leg Stand: L R Sways while balancing. Uses arms to balance. Hopping. Puts foot down. Type of Footwear Preliminary Training for Drug Evaluation and Classification Program 3 -21

Session 3 – Psychophysical Tests Finger to Nose Test Diagram Right Left Draw lines to spots touched 1 2 4 5 3 6 Preliminary Training for Drug Evaluation and Classification Program 3 -22

Session 3 – Psychophysical Tests Finger to Nose Test Administrative Procedures Right Left Draw lines to spots touched 1 2 4 5 3 6 Preliminary Training for Drug Evaluation and Classification Program 3 -23

Session 3 – Psychophysical Tests Finger to Nose Test Administrative Procedures (Cont. ) Right Left Draw lines to spots touched 1 2 4 5 3 6 Preliminary Training for Drug Evaluation and Classification Program 3 -24

Session 3 – Psychophysical Tests Finger to Nose Test Administrative Procedures (Cont. ) Right Left Draw lines to spots touched 1 2 4 5 3 6 Preliminary Training for Drug Evaluation and Classification Program 3 -25

Session 3 – Psychophysical Tests Finger to Nose Test Recording Results Preliminary Training for Drug Evaluation and Classification Program 3 -26

Session 3 – Psychophysical Tests QUESTIONS? Preliminary Training for Drug Evaluation and Classification Program 3 -27