Psychologie et Psychiatrie : Libre accès

Abstrait

Brain Mapping of Auditory Hallucinations and Illusions Induced By Direct Intracortical Electrical Stimulation

James Karan

The genuine structure of the human auditory cortex stays a concern of debate, with discrepancies between purposeful and microstructural studies. In a hierarchical framework for sensory perception, easy sound appreciation is predicted to take region in the foremost auditory cortex, whilst the processing of complex or greater built-in perceptions is proposed to depend on associative and higher-order cortices. The intracranial recordings of these evoked perceptions of various tiers of integration supply the proof to talk about the theoretical model. We analyzed SEEG recordings from 50 epileptic sufferers offering auditory signs and symptoms brought on by way of DES. First, the usage of the Juelich cytoarchitectonic percolation, we quantified which areas precipitated auditory signs and symptoms when motivated (ROI approach). Then, for every evoked auditory symptom kind (illusion or hallucination), we mapped the cortical networks displaying concurrent high-frequency endeavor modulation Conscious experience, whether or not in fitness or disease, stems from the integration of cortical indicators originating from a complicated panorama of spatially wonderful but temporally synchronized Genius regions.