seminario neuro formato
TRANSCRIPT
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UNIVERSIDAD DE LOS ANDESFACULTAD DE MEDICINA – ESCUELA DE MEDICINA
CÁTEDRA DE NEUROCIRUGÍA
EL ENCÉFALO
Irán MedinaRoberto Moran
San Cristóbal, Enero 2014
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Ectodermo
Mesodermo
Endodermo
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Mielencefalo
Metencefalo
Tubérculos cuadrigéminos
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Diencefalo
Telencefalo
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PROSENCEFALO
DIENCEFALO
• TÁLAMO
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DIENCEFALO
TÁLAMO
• FUNCIONES:
• RELEVO DE SENSACIONES COMUNES
• NIVELES DE ALERTA
• ESTADOS EMOCIONALES
• MEMORIA RECIENTE
• INTEGRACIÓN DE ÓRGANOS DE LOS SENTIDOS
(EXCEPTO OLFATO)
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DIENCEFALO
TÁLAMO
• CLÍNICA:
• ALTERACIÓN DE LA SENSIBILIDAD
• CAUTERIZACIÓN TALÁMICA
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DIENCEFALO
SUBTÁLAMO
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• NÚCLEOS ROJOS
DIENCEFALO
SUBTÁLAMO
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• SUSTANCIA NEGRA NEURONAS DOPAMINERGICAS
DIENCEFALO
SUBTÁLAMO
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• NUCLEO HABENULARVIAS OLFATORIAS,
VISCERALES Y SOMATICAS
• GLANDULA PINEALINFLUYE HIPOFISIS, ISLOTES DE LANGERHANS, PARATIROIDES, SUPRARRENALES, GONADAS.
DIENCEFALO
EPITALAMO
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• QUIASMA OPTICO TUBERCULOS MAMILARES
• INTEGRACIÓN DE INFORMACIÓN
DIENCEFALO
HIPOTÁLAMO
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• OBESIDAD Y EMACIACIÓN
• TRASTORNOS SEXUALES
• HIPERTERMINA O HIPOTERMIA
• DIABETES INSÍPIDA
• TRASTORNOS DEL SUEÑO
• TRASTORNOS EMOCIONALES
DIENCEFALO
HIPOTÁLAMO
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TELENCÉFALO
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LÓBULOS CEREBRALES
LÓBULO FRONTAL
Area anterior
Area posterior
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LÓBULOS CEREBRALES
LÓBULO FRONTAL – ÁREA MOTORA
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• CONEXIONES AFERENTES DE TÁLAMO, CORTEZA SENS.
• ALMACENA PROGRAMAS DE ACTIVIDAD MOTORA
• MOVIMIENTOS POSTURALES GROSEROS.
LÓBULOS CEREBRALES
LÓBULO FRONTAL – ÁREA PREMOTORA
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• CORTEZA PRIMARIA
• PARALISIS CONTRALATERAL
• COMPROMISO MOVIMIENTOS FINOS.
• CORTEZA SECUNDARIA
• DIFICULTAD MOVIMIENTOS FINOS
• SIN PERDIDA DE FUERZA
LÓBULOS CEREBRALES
LÓBULO FRONTAL
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LÓBULOS CEREBRALES
LÓBULO FRONTAL• MOTORA – LENGUAJE DE BROCA:
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• CORTEZA PREFRONTAL
• PERSONALIDAD
• SENTIMIENTOS
• JUICIO
• UNICIATIVA
LÓBULOS CEREBRALES
LÓBULO FRONTAL
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LÓBULOS CEREBRALES
LÓBULO FRONTAL
Phineas Gage
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Lóbulo parietal
Encéfalo: Lóbulo parietal
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Lóbulo temporal
Encéfalo: Lóbulo temporal
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Lóbulo occipital
Encéfalo: Lóbulo occipital
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Encéfalo: corte sagitalEncéfalo: vista inferior
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Tallo encefálico
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Mesencéfalo
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Protuberancia
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Bulbo raquídeo
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Irrigación del cerebro
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