Article: article from journal or magazin.
Case report (case report): feedback on an observation with a short commentary.
Cortical motion deafness.
Publication types: Case Reports ; Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't
The extent to which the auditory system, like the visual system, processes spatial stimulus characteristics such as location and motion in separate specialized neuronal modules or in one homogeneously distributed network is unresolved. Here we present a patient with a selective deficit for the perception and discrimination of auditory motion following resection of the right anterior temporal lobe and the right posterior superior temporal gyrus (STG). Analysis of stimulus identity and location within the auditory scene remained intact. In addition, intracranial auditory evoked potentials, recorded preoperatively, revealed motion-specific responses selectively over the resected right posterior STG, and electrical cortical stimulation of this region was experienced by the patient as incoming moving sounds. Collectively, these data present a patient with cortical motion deafness, providing evidence that cortical processing of auditory motion is performed in a specialized module within the posterior STG.
Acoustic Stimulation, Adult, Auditory Cortex, Auditory Perception, Brain Mapping, Discrimination (Psychology), Electric Stimulation, Electrodes, Electroencephalography, Epilepsy, Evoked Potentials, Auditory, Female, Follow-Up Studies, Functional Laterality, Hearing Loss, Central, Humans, Magnetic Resonance Imaging, Motion, Motion Perception, Sound Localization
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