Cortez A
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CORTEZA CEREBRAL
CATEDRA DE ANATOMIA
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CORTEZA CEREBRAL
CENTRO SUPERIOR DEL ENCEFALO
RECIBE SENSACIONES
ORDENA MOVIMIENTOS
CONCIENCIA
MEMORIA
PENSAMIENTO
LENGUAJE
FUNCIONES MENTALES
SUPERIORES
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SUBDIVISION
NEOCORTEZANEOCORTEZA PALEOCORTEZAPALEOCORTEZA ARCHICORTEZAARCHICORTEZA
90 % TOTAL DE CORTEZA
BASE DE LOS HEMISFERIOS
FORMACION DEL HIPOCAMPO
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I
II
III
IV
V
VI
MOLECULAR
GRANULOSA
EXTERNA
PIRAMIDAL
EXTERNA
GRANULOSA
INTERNA
PIRAMIDAL
INTERNA
MULTIFORME
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I
II
III
IV
V
VI
MOLECULAR
GRANULOSA
EXTERNA
PIRAMIDAL
EXTERNA
GRANULOSA
INTERNA
PIRAMIDAL
INTERNA
MULTIFORME
AFERENCIA DEL
TALAMO
EFERENCIA
ASOCIACION
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INTRACORTICALES ASOCIACION COMISURAL PROYECCION
CAPA I DE LA CORTEZA
CIRCONVOLUCION A
CIRCONVOLUCION
LOBULO A LOBULO EN EL MISMO HEMISFERIO
FIBRAS CORTAS
FASCICULO ARQUEADO
FIBRAS LARGAS
FASCICULO LONGITUDINAL
SUPERIOR
FASCICULO OCCIPITOFRONTAL
INFERIOR
UNCINADO
HEMISFERIO IZQUIERDO A
HEMISFERIO DERECHO
CUERPO CALLOSOS Y COMISURA BLANCA
ANTERIOR
CORTICOFUGAS CORTICOPETAS
CAPSULA
INTERNA
CONEXIONES CORTICALES
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CONEXIONES CORTICALES
I
II
III
IV
V
VI
SUPRAGRANULOSA
GRANULOSA
INFRAGRANULOSA
I
III
IV
VI
I
II
III
IV
V
VI
SUSTANCIA BLANCA
IINTRACORTICAL
DE ASOCIACION COMISURALES
HEMISFERIO IZQUIERDO HEMISFERIO DERECHO
FIBRAS DE
PROYECCIONCORTICOPETAS CORTICOFUGAS
TALAMOTALAMO
II
ESTRIADO
TRONCO CEREBRAL
MEDULA ESPINAL
V
CAPSULA INTERNA
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ASOCIACION
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COMISURAL
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PROYECCION
corticofugas
corticobulbares
Corticoespinales MMSS
Corticoespinales MMII
TALAMOCORTICALES
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HEMORRAGIA CAPSULARHEMORRAGIA CAPSULAR
BRAZO POSTERIOR
HEMIPLEJIA CONTRALATERAL
HEMIANESTESIA CONTRALATERAL
PARALISIS FACIAL
+ RETROVENTRICULAR
HEMIANOPSIA CONTRALATERAL
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LOBULO FRONTAL• SEIS AREAS FUNCIONALES
1. MOTORA PRIMARIA (4).
2. PREMOTORA (6).
3. AREA OCULAR FRONTAL (8).
4. MOTORA SUPLEMENTARIA.
5. PRE FRONTAL.
6. AREA DEL LENGUAJE DE BROCA.
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Area 4
• MOTORA PRIMARIA
Area 6Area 8
44
45
45
46
10
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Area 4Area 6
Area 8
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LOBULO FRONTAL LESIONES
444
5
45
46
10
86
4
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44
45
45
46
10
86
4
Debilidad y espasticidad de la extremidad superior
contra lateral
Debilidad facial
contralateral
Parálisis contra lateral de la mirada
AFECTACION DEL
JUICIO,
CONCENTRACION,
INICIATIVA,
RESOLUCION DE
PROBLEMAS AFASIA
NO FLUENTE
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AREAS FUNCIONALES
GUSTATIVA AREA 42
ASOCIACION 5,7,39 y 40
SOMATOSENSORIAL PRIMARIA SI AREA 312
SOMATOSENSORIAL SECUNDARIO SII AREA
5
7
213
40
39
43
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43
SII
SOMATOSENSORIAL SECUNDARIO SII AREA
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5
7
213
40
39
43
LOBULO PARIETAL LESIONES
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5
7
213
40
39
43
Anestesia contralateral del miembro
superior
Anestesia facial
contralateral
ASTEREAGNOSIA
CONTRALATERAL
SINDROME DE FALTA DE
RECONOCIMIENTO CONTRALATERAL