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Nonverbal learning disorder or nonverbal learning disability (NLD or NVLD) is a proposed condition characterized by a significant discrepancy between high verbal and lower performance scores on an IQ test, with deficits in motor, visual-spatial, and social skills.^[1] Some proponents of the category believe that this discrepancy is attributable to dysfunction in the right cerebral hemisphere.^[1]^[2]

NLD involves deficits in perception, coordination, socialisation, non-verbal problem-solving and understanding of humour, along with well-developed rote memory.^[3] As most people with Asperger syndrome (AS) fit the criteria for NLD, a diagnosis of AS is often preferred.^[3] Some researchers assert that an AS diagnosis is more clinically useful than an NLD diagnosis, and argue that the NLD category is an example of excessive diagnostic splitting.^[3]

[edit] References

^ ^a ^b Treffert, Darold. "Nonverbal Learning Disorder (NLD or NVLD)". Wisconsin Medical Society. http://www.wisconsinmedicalsociety.org/savant_syndrome/savant_articles/nvld.
^ "Nonverbal Learning Disorders Association". http://www.nlda.org/.
^ ^a ^b ^c Fitzgerald, Michael; Corvin, Aiden (2001). "Diagnosis and differential diagnosis of Asperger syndrome". Advances in Psychiatric Treatment (The Royal College of Psychiatrists) 7: 310-318. ISSN 1472-1481. http://apt.rcpsych.org/cgi/content/full/7/4/310.

[edit] Sources

[edit] Nonverbal learning disorder

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[edit] Non-verbal learning disability

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[edit] Nonverbal learning disorder and nonverbal learning disability

Mccann, V.; Pongonis, J.; Golomb, R.; Edwards-Brown, M.; Christensen, K.; Sokol, K. (Aug 2008). "Like father, like son: periventricular nodular heterotopia and nonverbal learning disorder". Journal of child neurology 23 (8): 950–953. doi:10.1177/0883073808315415. ISSN 0883-0738. PMID 18660478. edit
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[treffert-0] Treffert, Darold. "Nonverbal Learning Disorder (NLD or NVLD)". Wisconsin Medical Society. http://www.wisconsinmedicalsociety.org/savant_syndrome/savant_articles/nvld.

[nlda-1] "Nonverbal Learning Disorders Association". http://www.nlda.org/.

[apt-2] Fitzgerald, Michael; Corvin, Aiden (2001). "Diagnosis and differential diagnosis of Asperger syndrome". Advances in Psychiatric Treatment (The Royal College of Psychiatrists) 7: 310-318. ISSN 1472-1481. http://apt.rcpsych.org/cgi/content/full/7/4/310.

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