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March 08, 2005; 64 (5) Article

Reading impairment in the neuronal migration disorder of periventricular nodular heterotopia

B. S. Chang, J. Ly, B. Appignani, A. Bodell, K. A. Apse, R. S. Ravenscroft, V. L. Sheen, M. J. Doherty, D. B. Hackney, M. O’Connor, A. M. Galaburda, C. A. Walsh
First published March 7, 2005, DOI: https://doi.org/10.1212/01.WNL.0000152874.57180.AF
B. S. Chang
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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J. Ly
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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B. Appignani
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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A. Bodell
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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K. A. Apse
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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R. S. Ravenscroft
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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V. L. Sheen
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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M. J. Doherty
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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D. B. Hackney
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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M. O’Connor
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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A. M. Galaburda
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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C. A. Walsh
From the Division of Neurogenetics (Drs. Chang, Sheen, and Walsh, A. Bodell, K.A. Apse, and R.S. Ravenscroft), Behavioral Neurology Unit (Drs. O’Connor and Galaburda, J. Ly), and Howard Hughes Medical Institute (Dr. Walsh, A. Bodell), Department of Neurology, and Division of Neuroradiology (Drs. Appignani and Hackney), Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, and Swedish Neuroscience Institute (Dr. Doherty), Epilepsy Center, Seattle, WA.
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Full PDF
Citation
Reading impairment in the neuronal migration disorder of periventricular nodular heterotopia
B. S. Chang, J. Ly, B. Appignani, A. Bodell, K. A. Apse, R. S. Ravenscroft, V. L. Sheen, M. J. Doherty, D. B. Hackney, M. O’Connor, A. M. Galaburda, C. A. Walsh
Neurology Mar 2005, 64 (5) 799-803; DOI: 10.1212/01.WNL.0000152874.57180.AF

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Abstract

Objective: To define the behavioral profile of periventricular nodular heterotopia (PNH), a malformation of cortical development that is associated with seizures but reportedly normal intelligence, and to correlate the results with anatomic and clinical features of this disorder.

Methods: Ten consecutive subjects with PNH, all with epilepsy and at least two periventricular nodules, were studied with structural MRI and neuropsychological testing. Behavioral results were statistically analyzed for correlation with other features of PNH.

Results: Eight of 10 subjects had deficits in reading skills despite normal intelligence. Processing speed and executive function were also impaired in some subjects. More marked reading difficulties were seen in subjects with more widely distributed heterotopia. There was no correlation between reading skills and epilepsy severity or antiepileptic medication use.

Conclusion: The neuronal migration disorder of periventricular nodular heterotopia is associated with an impairment in reading skills despite the presence of normal intelligence.

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Letters: Rapid online correspondence

  • Reading impairment in the neuronal migration disorder of periventricular nodular heterotopia
    • Deborah K. Sokol, Indiana University School of Medicine, RI 1757 702 Barnhill Drive Indianapolis, IN 46202dksokol@iupui.edu
    • Meredith R. Golomb, Karen S. Carvahlo, Mary Edwards-Brown
    Submitted June 14, 2005
  • Reply from authors
    • Bernard S. Chang, Beth Israel Deaconess Medical Center and Harvard Medical School, NRB-268B, 77 Ave Louis Pasteur, Boston MA 02115bchang@bidmc.harvard.edu
    Submitted June 14, 2005
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