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Gerstmann syndrome is characterized by four primary symptoms:
This disorder is often associated with brain lesions in the dominant (usually left) side of the angular and supramarginal gyri near the temporal and parietal lobe junction. There is significant debate in the scientific literature as to whether Gerstmann Syndrome truly represents a unified, theoretically motivated syndrome. Thus its diagnostic utility has been questioned by neurologists and neuropsychologists alike.
There are few reports of the syndrome, sometimes called developmental Gerstmann syndrome, in children. The cause is not known. Most cases are identified when children reach school age, a time when they are challenged with writing and math exercises. Generally, children with the disorder exhibit poor handwriting and spelling skills, and difficulty with math functions, including adding, subtracting, multiplying, and dividing. An inability to differentiate right from left and to discriminate among individual fingers may also be apparent. In addition to the four primary symptoms, many children also suffer from constructional apraxia, an inability to copy simple drawings. Frequently, there is also an impairment in reading. Children with a high level of intellectual functioning as well as those with brain damage may be affected with the disorder.
There is no cure for Gerstmann syndrome. Treatment is symptomatic and supportive. Occupational and speech therapies may help diminish the dysgraphia and apraxia. In addition, calculators and word processors may help school children cope with the symptoms of the disorder.
In adults, many of the symptoms diminish over time. Although it has been suggested that in children symptoms may diminish over time, it appears likely that most children probably do not overcome their deficits, but learn to adjust to them.
Learning Disabilities Association of America
4156 Library Road Suite 1
Pittsburgh, PA 15234-1349
Tel: 412-341-1515 412-341-8077
National Center for Learning Disabilities
381 Park Avenue South Suite 1401
New York, NY 10016
Tel: 212-545-7510 888-575-7373
National Organization for Rare Disorders (NORD)
P.O. Box 1968(55 Kenosia Avenue)
Danbury, CT 06813-1968
Tel: 203-744-0100 Voice Mail 800-999-NORD (6673)
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