CLASIFICACION.
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Transcript of CLASIFICACION.
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Un sistema de control está definido como un conjunto de componentes que pueden regular su propia conducta o la de otro sistema con el fin de lograr un funcionamiento predeterminado, de modo que se reduzcan las probabilidades de fallos y se obtengan los resultados buscados.
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CLASIFICACION.
Sistema de control de lazo abiertoSistema de control de lazo cerrado
Según el número de entradas y salidas del sistema
SISO SIMO MISO MIMO
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SISTEMA DE EQUILIBRIO. RECEPTORES SENSORIALES.
PROCESAMIENTO CENTRAL.
OBJETIVOS.
ESTABILIZACION DE LA IMAGEN EN LA RETINA.
CONTROL POSTURAL
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RECEPTOR SENSORIAL.
PERCEPCION PROCESAMIENTO
EJECUCIONMOTORA.
REPARACION LESIONAL.
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ESTABILIZACION DE LA IMAGEN EN LA RETINA.
COMANDOS OCULOMOTORES.
SEGUIMIENTO OCULAR CONTINUO.
SACADICO.
REFLEJOS VESTIBULARES.VESTIBULO OCULAR.VESTIBULO COLICO.
OPTOCINETICO.
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SEGUIMIENTO OCULAR LENTO SACADICO
FOVEA.
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ACELEROMETROS DE LAS MACULAS.
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ACELEROMETROS DE LOS CANALES.
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REFLEJO VESTIBULO OCULOMOTOR.
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AUSENCIA CRONICA DE INPUT DEL RECEPTOR VESTIBULAR UNI O BILATERAL.
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RECEPTOR SENSORIAL.
PERCEPCION PROCESAMIENTO
EJECUCIONMOTORA.
REPARACION LESIONAL.
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BRU.
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VisualInformation
Color
Texture
Movement
Orientation
Shape
Size
Luminance
Speed
Distance
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…
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Postural Control System
Percepts
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REFLEJO VESTIBULO COLICO.
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Head Tilt Response 15
DEFICIT PERCEPTUAL CRONICO.
Head Tilt Response:A dual test to the Subjective Visual
Vertical.D.Geisinger.A.Suarez.E.Ferreira, H.Suarez Journal of Vestibular
Research.2010.I
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Head tilt response: A complementary test tothe Subjective Visual Vertical
D Geisinger.A.Suarez,E. Ferreira.H.SuarezJournal of Vestibular Research.2010.
CAMBIOS EN LA PERCEPCION VISUAL VERTICAL. HEAD TILT TEST.
Acta Oto-Laryngologica Stockholm, 2011H.Suarez.D. D Geisinger.A Suarez.E.Ferreira.A.Suarez.C.San Roman. G.Sotta.
;
Visual gravitational vertical perception in peripheral vestibular hypofunction
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Head Tilt Response 18
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20%
30%
50%
CONTROL POSTURAL.
PETERKA 2000.
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ENTRENAMIENTO DEL LIMITE DE ESTABILIDAD.
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PRE –POST ENTRENAMIENTO.
1 250
100
150
200
250
300
Value
s
LOSLIMITES DE ESTABILIDAD.
CONSTANTE DE FUERZA KF
TIEMPO DE RETARDO TD
CONSTANTE DE RUIDO KN
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REFLEJO OPTOCINETICO Y VELOCIDAD DE MOVIMIENTO.
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PARADIGMA DE ESTIMULACION.
-Suarez H, Geisinger D, Suarez A, Carrera X. Buzo R. Postural control and sensory perception in patient with Parkinson’s Disease. Acta Otolaryngol Stockhol. 2009 Apr;129(4):354-60
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NORMAL SUBJECT. PARKINSON’S DISEASE PATIENT.
COP CONFIDENTIAL ELLIPSE.
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COP LABELED TRAJECTORY.
NORMAL SUBJECT.
PARKINSON’S DISEASE PATIENT
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WAVELETS. CONSUMO DE ENERGIA.
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SUSTITUCION SENSORIAL.
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Can you describe how the visuo-vestibular integration works and how it mimics real life situations?
VOR + OPTOKINETIC = OPTOVESTIBULAR
VOR + OK + FOVEAL= COMPLEX V V STIMULATION.
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REPARACION LESIONAL.
INHIBICION.
HABITUACION.
“SPROUTING”
SUSTITUCION SENSORIAL.
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NEURAL MEMORY
“Changes in postural control parameters after vestibular rehabilitation in patients with central vestibular disorder” Suárez H, Arocena M, Suárez A, Artagaveytia
TA,Musé P, Gil J. Acta Otolaryngol 2003, 123(2):143-7.
CENTER OF PRESSURE SWAY VELOCITY.
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QUIEN REPARA AL SISTEMA?
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HAMLET SUAREZ.
ENRIQUE FERREIRA.
DARIO GEISINGER.
CECILIA SAN ROMAN.
GONZALO SOTTA.
SOFIA AROCENA.
PILAR MICHELINI.
JUAN M. PICERNO
LUIS ANZA.
LABORATORIO DE OTONEUROLOGIA.PROGRAMA DE INGENIERIA BIOMEDICA.BRITISH HOSPITAL-F.DE INGENIERIA.UCUDAL
ALEJO SUAREZ