Performance of the WHO NCTB(neurobehavioral core test battery) among 96 Males Occupationally non-exposed to Neurotoxic Chemicals

ABSTRACT

Simple reaction time, digit span, digit symbol, Santa Ana dexterity test, Benton visual retention test, and pursuit aiming of the WHO NCTB (neurobehavioral core test battery) were administered to the 96 males occupationally non-exposed to neurotoxic chemicals. All subjects do not have any disease and head trauma and do not take medicine recently. Multiple regression analysis was done for establishing predict equation to estimate normal ranges of tests for males. Age was main independent variable affected all tests except for simple reaction time. Digit symbol was affected by educational level. Santa Ana dexterity, non-preferred hand was affected by alcohol drinking. Santa Ana dexterity, preferred hand and wrong dot of pursuit aiming were affected by smoking.