Liasis, A and Hildebrand, D and Clark, C and Katz, X and Gunny, R and Stieltjes, B and Taylor, D (2009) Sensory function in severe semilobar holoprosencephaly. Neurocase , 15 (2) 110 - 118. 10.1080/13554790802631936.
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Abstract
We report a 4-year-old child with severe semi-lobar holoprosencephaly (HPE) not expected to survive after birth. Magnetic resonance imaging (MRI) revealed agenesis of the corpus callosum, absence of the third ventricle, fused thalami and basal ganglia. To investigate sensory function, visual, auditory and somatosensory evoked potential and imaging studies were carried out. The visual response evoked by human face stimuli evoked larger responses over the left side of the holosphere as compared to responses evoked by checkerboard pattern, while auditory evoked potentials were evident over the frontal regions to both pure tones and speech stimuli. No consistent scalp somatosensory evoked potentials were evident. This case demonstrates that electrophysiological measures are able to identify and quantify sensory processing not expected to be present based on the anatomical presentation of the cortex in a child with severe HPE.
| Type: | Article |
|---|---|
| Title: | Sensory function in severe semilobar holoprosencephaly. |
| Location: | England |
| DOI: | 10.1080/13554790802631936 |
| Language: | English |
| Keywords: | Anisotropy, Auditory Perception, Brain, Child, Preschool, Electroencephalography, Evoked Potentials, Auditory, Evoked Potentials, Somatosensory, Evoked Potentials, Visual, Face, Holoprosencephaly, Humans, Imaging, Three-Dimensional, Magnetic Resonance Imaging, Male, Pattern Recognition, Visual, Speech, Touch Perception |
| UCL classification: | UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Child Health > Department of Neurosciences and Mental Health > ICH - Neurosciences Unit |
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