Table 3

Screening test for evaluation of minimal brain dysfunction (MBD)

Selected itemsMarked abnormality
1 Hop on one leg 20 times12 seconds or longer or 2 or more interruptions with both feet on the ground (2p). Minor abnormality: 9-11  seconds and 1 interruption (1p)
2 Stand on one leg for 20 secondsManages 10 seconds or less (2p). Minor abnormality: 11-19 seconds (1p)
3 Associated movements when walking on lateral
sides of feet for 10 seconds
Elbow flexion of 60° or more with abduction of arms or movements of lips and tongue (2p). Minor abnormality:  elbow flexion < 60° with abduction of arms or movements of lips and tongue (1p)
4 Diadochokinesis for 10 secondsManages ⩽ 10 pro-supinations for “worst” hand or awkward pro-supination and elbow moving over a distance of  15 cm (2p). Minor abnormality: 11-19 pro-supination for “worst” hand or awkward pro-supination and elbow  moving < 15 cm (1p)
5 Cut out a paper circle with a diameter of 10 cm⩾ 120 seconds to cut out a circle or 1/5 or more of circle area included extra or excluded in end-result (2p). Minor  abnormality: 60-120 seconds to cut the circle and ⩽ 1/5 circle area included extra or excluded in end-result (1p)
6 WISC labyrinth test in accordance with
description in manual
Score < 2 SD below mean of comparison group (8 or less of 21 possible points) (2p). Minor abnormality: 9-12 of  21 possible points (1p)