What Causes Learning Disabilities?

Successful intervention is dependent on finding theaccepted that a child must start at the lower levels
cause or causes of a problem. Most problems canof education and then gradually progress to the
only be solved if one knows their causes. A diseasehigher levels. If human learning had not been a
such as scurvy claimed the lives of thousands ofstratified process, if it had taken place on a single
seamen during their long sea voyages. The diseaselevel, this would have been unnecessary. It would
was cured fairly quickly once the cause wasthen not have been important to start a child in first
discovered, viz. a Vitamin C deficiency. A viable pointgrade. It would have been possible for the child to
of departure would therefore be to ask the question,enter school at any level and to complete the school
“What causes learningyears in any order.
disabilities?”Even more astounding is that this very important
In the literature on learning disabilities, it is generallyprinciple of learning is hardly noted in any of the
assumed that learning disabilities are caused by apresent-day theories on learning. In fact, when this
neurological dysfunction. This theory has so far,principle of learning is mentioned, it often happens by
however, been unable to produce any tangibleway of an en passant reference to discarded notions
practical results.from the past:
Another popular theory is that learning disabilities areBaldwin (1896) introduced the concept of a hierarchy
genetically transmitted. According to an Americanof senses and proposed that sense perception ability
study the risk that a child will have a reading problemvaried from person to person. As we ascend
is increased from four to thirteen times if one of theBaldwin's pyramidal scale we find that each capability
parents has a similar problem. This tendency forrests on, and is chronologically and psychologically
learning disabilities to “run independent on, all the capabilities below it (for
families” has been confirmed by numerousexample imagination, which could not act but for its
studies.predecessors perception and memory). This notion of
The tendency for learning disabilities to “runtraining competencies hierarchically was the premise
in families” does not necessarily prove,on which perceptual training and perceptual motor
however, that a learning disability is geneticallytraining were based.
determined. The ability to speak English also runs inWhen this principle is noticed, then its significance is
families, yet nobody would attribute this to genetics.often distorted by reductionist thinking such as,
We all know that a child learns to speak the language“Cognitive abilities develop in a sequential
that he hears on a daily basis.fashion that cannot be altered,” or,
A straight line is the shortest distance between two“Another prerequisite for reading includes a
points. However, the seemingly shortest route fromcertain level of physiological development of the
one conclusion to the next is not necessarily the bestbrain.”
— or the correct — one. ItThe stratified nature of learning is an age-old
sometimes turns out that a problem may have an— but ageless — principle. This
explanation and a solution that may seem so obviousprinciple was already pointed out by Herbart
and so simple that people tend to overlook it.(1776-1841), and it is based on the further principle
The theory below is of this nature. For itsthat
understanding one requires no specialist knowledge ofOne never…apprehends anything in isolation,
the intricacies of the human brain. Decades ofbut always in terms of one's background of previous
experience has shown that for the successfulexperience and learning. So the first consideration in
application of this theory one does not even need toproperly organized learning would be to make sure
have the vaguest inkling of what genetics is about.that the learner had the right background (my italics).
In this theory it is not denied that the brains ofA simpler example, which explains the stratified
learning-disabled people might be different from thenature of learning, is the fact that one has to learn to
non-learning disabled. In fact, it is conceded that theycount before it becomes possible to learn to add and
probably are. Thesubtract. Suppose one tried to teach a child, who had
“chicken-and-egg” problem should,not yet learned to count, to add and subtract. This
however, not be overlooked: are the brainwould be quite impossible and no amount of effort
differences the cause of the learning disabilities, or iswould ever succeed in teaching the child these skills.
it the other way round? Furthermore, in this theory itThe child must learn to count first, before it becomes
is conceded that genes may well play a role in thepossible for him to learn to add and subtract. In the
origin of learning disabilities. However, I hold thesame way, there are things that a child must learn
optimistic view that neurological differences andfirst, before it becomes possible for him to learn to
negative genetics merely increase the educationalread, spell, write, et cetera.
responsibility of parents and teachers. A learningBartoli, who says that it is “the actual
disability is therefore not a permanent condition. Bypractice with the real task of reading that leads to
following the correct method of instruction and withmore skilful reading,” is only partially correct.
sustained practice according to this method, any“Of course,” she adds,
person can overcome a learning disability.“any soccer, tennis, or basketball coach will
THE CAUSES OF LEARNING DISABILITIES: ANtell you the same thing: If you want to get better,
ALTERNATIVE THEORYyou have to play the game — not just
To understand this theory on the causes of learningpractice skill drills.” Now, I know very little
disabilities it is important to take note of the factabout tennis and basketball, but I do happen to know
that there is nothing that any human being knows, orabout soccer. The game of soccer consists of many
can do, that he has not learned. If you dump a littlefragmented elements or skills — passing,
puppy into the water, it will swim. Do the same withcontrol, shooting, dribbling, goal keeping and heading.
a human child, and it will drown. The child must learnBefore any child is expected to play in a full-game
to swim.situation, he should first be trained to pass, head,
There is yet another, equally important fact, which iscontrol, dribble and shoot the ball. In fact, until these
also a sine qua non towards the understanding ofskills have been automatized, the child will have two
learning disabilities, and which has also so far beenleft feet on the soccer field.
overlooked, viz. that learning is a stratified process.The reading “game,” just like the
This is a self-evident fact, yet its significance in thegame of soccer, rests upon certain skills and until
situation of the learning-disabled child has apparentlythese skills have become automatized, the child will
never been fully comprehended. Throughout thehave “two left eyes” in the
world in all educational systems it is commonlyreading situation.