. The brain as an organ of mind. red to inregard to Hemi-ansesthesia (p. 487), that a decussationof auditory channels takes place, and that these channelsultimately becoijje incorporated with other fibres of theCerebral Peduncles comprised within the posterior thirdof what is known as the * internal capsule. It must, moreover, not be forgotten that, according toCyon (p. 218), what is named by him as the Space-nerve(Raumnerv) is also bound up with, and forms part of thetrunk commonly known as the Auditory. The internalcourse of the portions belonging to each of these nerveswill, if this view be
. The brain as an organ of mind. red to inregard to Hemi-ansesthesia (p. 487), that a decussationof auditory channels takes place, and that these channelsultimately becoijje incorporated with other fibres of theCerebral Peduncles comprised within the posterior thirdof what is known as the * internal capsule. It must, moreover, not be forgotten that, according toCyon (p. 218), what is named by him as the Space-nerve(Raumnerv) is also bound up with, and forms part of thetrunk commonly known as the Auditory. The internalcourse of the portions belonging to each of these nerveswill, if this view be correct, have to be subsequentlydetermined and differentiated. It may be that it is thefibres of this Space-nerve more especially which comeinto immediate relations with the Cerebellum (see p. 500),* Striekers Histology, vol. ii. p. 500. Chap. XXIII.] OF THE HUMAN BRAIN. 471 The other two sensory nerves of the MecluFa, theGlosso-pharyngeal and the Pneumogastric, will be referredto in the next section. The situation of the motor. ci ca. cZ Fig. 168.—Enlarged View of part of the Base of the Brain to which the CranialNerves are attached. (Ferrier, after Allen Thomson.) On the right side the Convolutions of the Central lobe (C), or Island of Eeil, havebeen left, on the left the incision has been carried between the Thalamus (?//) andthe Hemisphere. I, Olfactory Nerve cut short; II, Optic Nerve in front of Com-missure ; IF, Right Optic tract, e. The external, and i, the internul corpuo genicu-latum; h, Pituitary body ; t c, Tuber cinereum and infundibulum ; a, one of cor-pora mammillaria ; P, Cerebral peduncle. Ill, Third nerve (oculo-motor) ; IV, Fourthnerve (f atheticus); P V, Pons ; V, the greater root of Fifth nerve (trigeminus). +,The lesser or motor root ; on the right side this is placed on the Gasserian , 2, 3, The three divisions of the Fifth nerve ; 6, Sixth nerve ; Vila, the Facial;VII6, the Auditory ; VIII, the Vagus or Pneumogastric; Villa, the Glosso-phary
Size: 1268px × 1971px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1, booksubjectbrain, booksubjectpsychologycomparative
