Man and abnormal man, including a study of children, in connection with bills to establish laboratories under federal and state governments for the study of the criminal, pauper, and defective classes, with bibliographies . Fia. 35.—Apparatus for measuring the movement of hand, tougue, etc. (Filliatre.) necfc the hand with the different levers corresponding to the three principaldirections, and to record separately the movements of each of these levers. Torecord these movements on the same cylinder, angular levers must be interposedbetween the rod upon which the finger rests and the marker on


Man and abnormal man, including a study of children, in connection with bills to establish laboratories under federal and state governments for the study of the criminal, pauper, and defective classes, with bibliographies . Fia. 35.—Apparatus for measuring the movement of hand, tougue, etc. (Filliatre.) necfc the hand with the different levers corresponding to the three principaldirections, and to record separately the movements of each of these levers. Torecord these movements on the same cylinder, angular levers must be interposedbetween the rod upon which the finger rests and the marker on the cylinder. Thehorizontal movement of the hand is transformed into a vertical movement of the. Fig. 3G.—Psychograph. (Sommer.) marker. Sommer considers his instrument useful in the study of nervous functionaldiseases. The curves in fig. 37, below, show the trembling of the hand of a personwith paralysis. The first curve indicates horizontal movements forward and back-ward; the second lateral horizontal movements. The third curve, hand movementsnp and down. The trembling is (xuite different in each of the three is Schmidt, of Giesseu, Germany. 188 MAN AND ABNORMAL MAN, Hypnotic Instruments. Hypnotic instruments are used as aids to the operator in producing hypnotism orsuggestions. The hypnotic ball (fig. 38) has been used at the Hospital Saltp6tri6re in Paris. Itconsists of a curved tlat piece of metal B, holding a lead wire A, on which is fastened


Size: 1791px × 1395px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashingtongovtprin