. The brain as an organ of mind. ith diseases or injuries of onehemisphere of the Brain stands out, as a very notable fact, inregard to which all the best observers are unanimous. If light is to be thrown, therefore, upon this veryinteresting question within any brief period, recoursemust be had to experiments with some of the loweranimals. Of these. Monkeys are obviously the mostsuitable of all, on account of the general resemblance * An approximation to this knowledge had, however, beenarrived at in regard to Smell. For reference to cases, see Ferriers Functions of the Brain, p. 191. t Lance
. The brain as an organ of mind. ith diseases or injuries of onehemisphere of the Brain stands out, as a very notable fact, inregard to which all the best observers are unanimous. If light is to be thrown, therefore, upon this veryinteresting question within any brief period, recoursemust be had to experiments with some of the loweranimals. Of these. Monkeys are obviously the mostsuitable of all, on account of the general resemblance * An approximation to this knowledge had, however, beenarrived at in regard to Smell. For reference to cases, see Ferriers Functions of the Brain, p. 191. t Lancet, July 25, 1874, p. 111. 530 PHRENOLOGY: OLD AND NEW. which ohtains between the Brain of these animals andthat of Man. Such experiments have been made withmuch skill and judgment by Dr. Terrier,* to whosewritings the reader must be referred for full details asto his numerous observations, and the validity of the testsadopted. Here there is space only for a brief enunciationof the results and conclusions at which he has TSL Fig. 172.—Left Hemi^^phere of the Brain of a Monkey (;\ A, fissureof Sylvius ; B, fissure of Rolando ; C, Parieto-occipital, or, perpendicular fissure ;F L, Frontal Lobe; P L, Parietal Lobe ; O L, Occipital Lobe; T S L, Temporal Lobe;F, upper, F2, middle, F3, lower Frontal Convolution; sf, supero-frontal Sulcus;if, infero-frontal Sulcus ; ap, antero-parietal Sulcus ; AF, xVscending Frontal, and AP,Ascending Parietal Convolution ; P P L, Postero-Parietal Lobule; A G, Angulargyrus; i]^, intra-parietal Sulcus; T, T2, T3, Upper, Middle, and Lower TemporalConvolutions ; ti. <2,Upper and Lower Temporal Sulci; Oi, O2, O3, Upper, Middle, andLower Occipital Convolutions ; 01, 02, first and second Occipital Fissures. (Ferrier.) These experiments of Ferrier are supposed by him tosupport the notion that perceptive centres limited in area,and topographically distinct from one another, exist in thecortex of the Cerebral Hemispheres. His facts, how
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