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Representación cortical de la comunicación social grupal en murciélagos

Maimon C Rose¹, Boaz Styr^1,2, Tobias A Schmid¹

¹Helen Wills Neuroscience Institute, University of California, Berkeley, CA 94720, USA.

Science (New York, N.Y.)

|October 21, 2021

Resumen

Los investigadores estudiaron cómo los cerebros representan la comunicación en grupo en murciélagos de fruta egipcios. La actividad neuronal distinguió a sí mismo frente a otras vocalizaciones y mostró patrones cerebrales coordinados durante las interacciones sociales.

Área de la Ciencia:

La neurociencia
El comportamiento de los animales
La bioacústica

Sus antecedentes:

Las interacciones sociales se basan en señales de comunicación, a menudo vocalizaciones.
Los mecanismos neuronales que subyacen a la comunicación en grupo no se comprenden bien.
Las investigaciones anteriores no han explorado las representaciones neuronales en grupos que se comunican libremente.

Objetivo del estudio:

Investigar la representación neural de la comunicación social en grupo.
Examinar cómo las neuronas individuales y la actividad cerebral coordinada reflejan las interacciones vocales en un entorno grupal.

Principales métodos:

Grabaciones electrofisiológicas simultáneas de las cortizas frontales de murciélagos de fruta egipcios.
Análisis de la actividad neuronal durante las interacciones vocales espontáneas e inducidas por la tarea.
Seguimiento de las disposiciones sociales y espaciales dentro de los grupos de murciélagos.

Principales resultados:

Las neuronas individuales diferenciadas entre las vocalizaciones auto-producidas y las producidas por otros, y entre individuos específicos.
La actividad neuronal coordinada mostró correlaciones cerebrales bidireccionales estables durante la comunicación espontánea.
Las preferencias sociales se correlacionan con los patrones de actividad intra e intercerebral.

Conclusiones:

Existe un repertorio neuronal dedicado para el procesamiento de la comunicación social grupal.
La actividad neuronal dentro y a través de los cerebros refleja la dinámica de las interacciones vocales sociales en grupos que se comunican libremente.
Los hallazgos proporcionan información sobre las bases neuronales de la comunicación social compleja.

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