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Video Experimental Relacionado

Updated: Feb 12, 2026

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
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Estudio de conectividad funcional sobre la respuesta auditiva evocada visualmente basado en electroencefalografía de

Ning Jia1, Yueting Feng2, Kun Han3

  • 1Department of Neurology, Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China.

Frontiers in neuroscience
|February 11, 2026
PubMed
Resumen
Este resumen es generado por máquina.

Los individuos con respuesta auditiva evocada visualmente (vEAR) exhiben patrones distintos de actividad cerebral y una mayor conectividad regional en comparación con aquellos sin vEAR. Estos hallazgos sugieren una firma neuronal única asociada con vEAR.

Palabras clave:
Se trata del EEG y el EEG.actividad cerebral actividad cerebral.sLORETA es una sLORETA es una sLORETA.la sinestesia y la sinestesia.respuestas auditivas evocadas visualmente.

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Área de la Ciencia:

  • La neurociencia es la neurociencia.
  • Ciencias Cognitivas Ciencias Cognitivas.
  • Neurofisiología La neurofisiología.

Sus antecedentes:

  • La respuesta auditiva evocada visualmente (vEAR) implica la integración transversal entre los sistemas sensoriales visual y auditivo.
  • Comprender los fundamentos neuronales de vEAR es crucial para identificar biomarcadores potenciales y comprender las diferencias de procesamiento sensorial.

Objetivo del estudio:

  • Para investigar la actividad cerebral durante el vEAR utilizando electroencefalografía de alta densidad (EEG).
  • Explorar las diferencias en la conectividad neuronal entre las córtices visual y auditiva en individuos con y sin vEAR.

Principales métodos:

  • Se reclutaron 37 sujetos con vEAR y 34 sin ella, emparejados por edad y género.
  • Datos demográficos y cognitivos recopilados, incluidos los umbrales de audición y las puntuaciones de Trail Making Test (TMT).
  • Se utilizó un EEG de 256 canales y una tomografía electromagnética cerebral estandarizada de baja resolución (sLORETA) para el análisis neurofisiológico.

Principales resultados:

  • El grupo vEAR mostró diferencias significativas en las puntuaciones de TMT B en comparación con el grupo no vEAR.
  • Se observó una distinta actividad de ondas cerebrales (banda delta, theta, alfa, beta, gamma) en el grupo vEAR.
  • Se observó una activación reducida en la corteza cingulada posterior y la corteza insular en el grupo vEAR, junto con una mayor conectividad beta3 entre la corteza cingulada y la corteza auditiva.

Conclusiones:

  • El grupo vEAR demostró una conectividad cerebral regional más fuerte.
  • Estas características de conexión mejoradas pueden servir como una firma neuronal para vEAR.