Article Figures & Data
Tables
- Table 1.
Comparison of cognitive level, IQ, mental age, Piagetian stage, and communication skills in patients with cognitive disabilities
COGNITIVE LEVEL IQ MENTAL AGE, Y PIAGETIAN STAGE COMMUNICATION SKILLS Borderline 70 to 84 12 to 16 Formal operations Read and write at a grade 2 to 8 level Mild 55 to 69 8 to 12 Concrete operations to formal operations Read and write simple phrases, ability to follow simple instructions using prepositions Moderate 43 to 54 5 to 8 Preoperational to concrete operations Minimal sight vocabulary, understands 2-step commands Severe Hard to test 2 to 5 Preoperational Telegraphic speech, understands 1-step commands Profound Hard to test Infancy to 2 Sensorimotor Orients to speech, small vocabulary Adapted from Lougheed.4
