Dr Kyrana Tsapkini, from the Department of Neurology at Johns Hopkins University School of Medicine, and Dr Brenda Rapp, from the Department of Cognitive Science at Johns Hopkins University, studied the reading comprehension and spelling abilities of a patient who had undergone surgical removal of part of his brain due to a tumor.
The patient's reading and spelling abilities had been above average prior to the surgery. They tested the patient and a group of control participants using 17 experimental tasks, which evaluated their comprehension and production of written language, spoken language, as well as their processing of other visual categories such as faces and objects.
The results of the study revealed that the patient was able to understand the meaning of spoken language as rapidly as the other participants and was similarly able to process objects and faces in a normal way. However, he showed significant delays in understanding the meaning of written text and also had difficulty in producing accurate spellings when writing dictated text, suggesting that these abilities required the use of the brain area, which had been removed.
According to the authors, the findings provide clear evidence that there are particular structures within this part of the brain – the left mid-fusiform gyrus – that are "specialized and necessary for normal orthographic processing".
Notes to Editors:
The article is "The orthography-specific functions of the left fusiform gyrus: Evidence of modality and category specificity" by Kyrana Tsapkini and Brenda Rapp and appears in Cortex, Volume 46, Issue 2 (February 2010), published by Elsevier in Italy. Full text of the article featured above is available to members of the media upon request. Please contact the Elsevier press office, firstname.lastname@example.org. To schedule an interview, contact Dr. Kyrana Tsapkini, email@example.com.
Cortex is an international journal devoted to the study of cognition and of the relationship between the nervous system and mental processes, particularly as these are reflected in the behaviour of patients with acquired brain lesions, normal volunteers, children with typical and atypical development, and in the activation of brain regions and systems as recorded by functional neuroimaging techniques. It was founded in 1964 by Ennio De Renzi. The Editor in-chief of Cortex is Sergio Della Sala, Professor of Human Cognitive Neuroscience at the University of Edinburgh. Fax: 0131 6513230, e-mail: firstname.lastname@example.org. Cortex is available online at http://www.sciencedirect.com/science/journal/00109452
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