| A | B |
|---|
| Samuel Kirk | proposed term learning disabilities |
| Minimal brain injury | individulals who show behavioural but not neurological signs of brain injury |
| IQ-Achievement discrepancy | not achieving up to potential as measured by intelligence test |
| cebtral nervous system dysfunction | malfunctioning of the brain |
| Psychological prosessing problems | Deficits in the ability to perceive and interupt visual and auditory stimuli |
| Federal Definition | Disorder in one of the more basic psychological processes involed in understaning language, spoken or written, which disorder may manifest itself in an imperfect ability to listen, think, speak, read, write, spell, or do mathe |
| National Joint committee for Learning Disabilities | LD is a general term that fefers to a hererogeneous group of disorders manifested by difficulties in the acquisition and use of listening, speaking, reading, writing, reasoning, or mathmatical abilities. |
| prevalence | 5% and 6% of students 6-17 |
