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Impaired Pitch Perception and Memory in Congenital Amusia: The Deficit Starts in the Auditory Cortex
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Albouy, Philippe; Mattout, Jeremie; Bouet, Romain; Maby, Emmanuel; Sanchez, Gaetan; Aguera, Pierre-Emmanuel; Daligault, Sebastien; Delpuech, Claude; Bertrand, Olivier; Caclin, Anne; Tillmann, Barbara – Brain, 2013
Congenital amusia is a lifelong disorder of music perception and production. The present study investigated the cerebral bases of impaired pitch perception and memory in congenital amusia using behavioural measures, magnetoencephalography and voxel-based morphometry. Congenital amusics and matched control subjects performed two melodic tasks (a…
Descriptors: Music, Congenital Impairments, Perceptual Impairments, Neurological Impairments
Locomotion in Stroke Subjects: Interactions between Unaffected and Affected Sides
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Kloter, Evelyne; Wirz, Markus; Dietz, Volker – Brain, 2011
The aim of this study was to evaluate the sensorimotor interactions between unaffected and affected sides of post-stroke subjects during locomotion. In healthy subjects, stimulation of the tibial nerve during the mid-stance phase is followed by electromyography responses not only in the ipsilateral tibialis anterior, but also in the proximal arm…
Descriptors: Stimulation, Neurological Impairments, Psychomotor Skills, Brain
Intonation Processing in Congenital Amusia: Discrimination, Identification and Imitation
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Liu, Fang; Patel, Aniruddh D.; Fourcin, Adrian; Stewart, Lauren – Brain, 2010
This study investigated whether congenital amusia, a neuro-developmental disorder of musical perception, also has implications for speech intonation processing. In total, 16 British amusics and 16 matched controls completed five intonation perception tasks and two pitch threshold tasks. Compared with controls, amusics showed impaired performance…
Descriptors: Intonation, Cognitive Processes, Music, Congenital Impairments
A Neural Substrate for Atypical Low-Level Visual Processing in Autism Spectrum Disorder
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Vandenbroucke, Myriam W. G.; Scholte, H. Steven; van Engeland, Herman; Lamme, Victor A. F.; Kemner, Chantal – Brain, 2008
An important characteristic of autism spectrum disorder (ASD) is increased visual detail perception. Yet, there is no standing neurobiological explanation for this aspect of the disorder. We show evidence from EEG data, from 31 control subjects (three females) and 13 subjects (two females) aged 16-28 years, for a specific impairment in object…
Descriptors: Visual Perception, Pervasive Developmental Disorders, Perceptual Impairments
Neurons in the Fusiform Gyrus are Fewer and Smaller in Autism
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van Kooten, Imke A. J.; Palmen, Saskia J. M. C.; von Cappeln, Patricia; Steinbusch, Harry W. M.; Korr, Hubert; Heinsen, Helmut; Hof, Patrick R.; van Engeland, Herman; Schmitz, Christoph – Brain, 2008
Abnormalities in face perception are a core feature of social disabilities in autism. Recent functional magnetic resonance imaging studies showed that patients with autism could perform face perception tasks. However, the fusiform gyrus (FG) and other cortical regions supporting face processing in controls are hypoactive in patients with autism.…
Descriptors: Autism, Visual Perception, Brain, Neurological Organization
Speech Perception Ability in Individuals with Friedreich Ataxia
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Rance, Gary; Fava, Rosanne; Baldock, Heath; Chong, April; Barker, Elizabeth; Corben, Louise; Delatycki – Brain, 2008
The aim of this study was to investigate auditory pathway function and speech perception ability in individuals with Friedreich ataxia (FRDA). Ten subjects confirmed by genetic testing as being homozygous for a GAA expansion in intron 1 of the FXN gene were included. While each of the subjects demonstrated normal, or near normal sound detection, 3…
Descriptors: Cues, Hearing Impairments, Auditory Perception, Listening Comprehension