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Samenvatting Functioneren bij neurologische aandoeningen $12.88
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Samenvatting Functioneren bij neurologische aandoeningen

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reiken, grijpen en manipuleren als onderdeel van dit vlak

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  • January 22, 2021
  • 2
  • 2020/2021
  • Summary
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3.3 NEURALE CONTROLE VAN
HET REIKEN EN GRIJPEN
INLEIDING – ILLUSTRATIE VIDEO (UMN)



INLEIDING – ILLUSTRATIE VIDEO (CEREBRALE CORTEX)



HANDBOEK: REACHING AND GRASPING

2 essentiële benodigdheden voor rijken en grijpen

 Vision
o Lokaliseren van het object in de ruimte
o Beoordelen vorm en grootte object
o Primaire rol = preparatie voortbeweging
 = feedforward
o Beweging inaccuraat is  vision correcties geven
 = feedback

o Stroom van visuele info voor bewegingen
 Visuele cortex  posterior pariëtale cortex: bevat neuronen
geassocieerd met sensatie en beweging
 Deze neuronen projecteren naar premotorische corticale
gebieden die instaan voor
o Rijken
o Grijpen
o Oogbewegingen

 Premotorische corticale gebieden bij elke actie te
onderscheiden
o Resultaat: reiken, grijpen en oogbewegingen
afzonderlijk gecontroleerd maar gecoördineerd door
connecties tussen verschillende gebieden

o Informatie uit sensorische en planningsgebieden van cerebrale cortex
 Geprojecteerd
 Basale ganglia
 Cerebellum
  via thalamus naar sensorimotorische cortex = oorsprong
corticospinale tractus
 Somatosensation
o Proprioceptie
 Voor bereiden op bewegingen
 Informatie geven over bewegen

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