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Anatomía cortical compartida para la conciencia motora y el control motor
A Berti1, G Bottini, M Gandola
1Psychology Department and Center for Cognitive Science, University of Turin, Via Po 14, 10123 Turin, Italy. berti@psych.unito.it
Science (New York, N.Y.)
|July 16, 2005
Resumen
Los pacientes con daño cerebral derecho que niegan la parálisis tenían lesiones en las áreas motoras y sensoriales. Esto sugiere que la conciencia motora se basa en las mismas redes cerebrales que controlan el movimiento.
Área de la Ciencia:
- La neurociencia es la neurociencia.
- Neurología cognitiva neurología cognitiva.
Sus antecedentes:
- El monitoreo efectivo del comportamiento requiere una actualización continua de la efectividad del acto motor.
- La conciencia de los propios movimientos es crucial para este proceso de monitoreo.
Objetivo del estudio:
- Para investigar las bases anatómicas de la negación del deterioro motor en pacientes hemipléjicos con daño cerebral derecho.
- Para entender los correlatos neuronales de la auto-vigilancia de los actos motores.
Principales métodos:
- Análisis de la distribución de las lesiones en pacientes hemipléjicos con daño cerebral derecho que muestran negación de los déficits motores.
- Correlación de la negación con áreas específicas del cerebro, incluidas las córtices premotora y somatosensorial.
Principales resultados:
- La negación del deterioro motor se asoció significativamente con lesiones en regiones específicas del cerebro.
- Las áreas afectadas incluyeron las áreas premotoras 6 y 44 de Brodmann, la corteza motora primaria (área 4) y la corteza somatosensorial.
Conclusiones:
- Los hallazgos sugieren que los sistemas neuronales responsables del monitoreo de los actos motores están integrados dentro de las mismas redes corticales que ejecutan esos actos motores.
- Esto implica un sustrato neuronal compartido para el control motor y la autoconciencia del movimiento.
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