Mental medicine and nursing : for use in training-schools for nurses and in medical classes and a ready reference for the general practitioner . gsimple senile deterioration, senile confusion, andsenile delirium. 128 MENTAL MEDICINE AND NURSING Etiology.—The disease may appear any timeduring involution, but it is most likely to occurbetween sixty and seventy-five years of is not so important a factor as it is inmany other forms of mental alienation. Fre-quently the disease develops after an injury, particularly headinjury, emotionalshocks, also acutefebrile diseases. Simple Senile
Mental medicine and nursing : for use in training-schools for nurses and in medical classes and a ready reference for the general practitioner . gsimple senile deterioration, senile confusion, andsenile delirium. 128 MENTAL MEDICINE AND NURSING Etiology.—The disease may appear any timeduring involution, but it is most likely to occurbetween sixty and seventy-five years of is not so important a factor as it is inmany other forms of mental alienation. Fre-quently the disease develops after an injury, particularly headinjury, emotionalshocks, also acutefebrile diseases. Simple Senile De-terioration : Thisform is manifestedby failure of mem-ory, progressivedefect of appre-hension, delusionalideas, consistingmostly of excessivefear of illness, sense-less distrust, orchildish is great vari-ation in the emo-tions. Marked in-difference and lackof sympathy are prominent characteristics. Thepatient becomes apathetic and fails to enterinto the sorrows and joys of those abouthim. Self-interest, with the gratification ofpersonal whims, precedes everything. The con-duct varies greatly. Some are quiet and orderly,. Fig. si.—Senile confusion. An oldsoldier who fought under Napoleon I; hewas over ninety years of age when thisphotograph was taken. PSYCHOSES OF INVOLUTION 129 while others are restless and irritable, especiallyat night. Senile Confusion (Fig. 51): This is a deepergrade of deterioration. There is great clouding ofconsciousness and complete disorientation. Theemotional attitude varies. Some of these pa- Fig. 52.—Senile delirium (Weygandt). tients are dejected and irritable, others elatedand happy. Delusions of a fantastic nature arenumerous and often hallucinations of sight andhearing occur. Senile Delirium (Fig. 52): This form is char-acterized by a more acute onset and a shortercourse. There is a great clouding of conscious-9 MENTAL MEDICINE AND NURSING ness, active hallucinations, and delirious is extreme. The duration
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