Page 336 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003
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A.  Sensory centers of the brain  B.  Somatotopic organization of S1
                   Primary projection area  Somatosensory
                   for body surface      cortex (S1)
         Primary
         projection area         Primary                  Genitals
         for hearing         projection area                 Rectum
                                                                  (After Penfield and Rasmussen)
                                 for vision                     Bladder
                       SI
                      SII                   Tongue
                                            Throat                     Central Conduction of Sensory Input


        Thalamus                          D.  Hemiplegia
                                            Right half of spinal cord
        Reticular formation                 severed between L1 and L2
        Nuclei of trigeminal nerve  Nuclei of
                               dorsal funiculus
                                          Motor             Tracts of
                                          tracts            the posterior
         C.  Somatosensory tracts                           funiculus
                              Somatosensory                            Plate 12.7
               S1                  cortex
                                                             Tracts of
                                                            the antero-
                                                         lateral funiculus
                   PMVN                    Ipsilateral   Contralateral
          PLVN
                                 Thalamus  Loss of tactile
                                            sensation
                           Trigeminal                   Loss of
                           nerve              Motor     nociception and
                    Medial                  paralysis   temperature
         Spino-     lemniscus    Brain stem             sensation
        thalamic
          tract
                        Posterior
       Decussation      funicular nuclei
                                          E.  Unspecific system
                                         State of consciousness Autonomic functions
                            Medulla oblongata      Affect


        Antero-        Dorsal
         lateral       column
        funiculus                From touch
                               receptors and
       Decussation             propriosensors  Unspecific
                             From nocisensors  thalamus
                            and thermosensors  From
                                         basal ganglia      Reticular
                                                 From       formation
                                Spinal cord  sensory organs
                                         and somatosensory            323
                                                system  Motor function
       Despopoulos, Color Atlas of Physiology © 2003 Thieme
       All rights reserved. Usage subject to terms and conditions of license.
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