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The origin and nature of the emotions; miscellaneous papers . lii. 7.—Contest Ietween- a J^eeu and a Do(i. Cornparr- the intense Htiniiil:ilir,ii ;iiiil fearful excitement manifested liy these animals with iIm cahi] rontrol of the animals in Fig. 6. PHYLOGENETIC ASSOCIATION AND MEDICAL PROBLEMS 19 awaken those reflex actions which by natural selection havebeen developed for the purpose of self-protection. Ade-quate stimulation of the nociceptors for pain is not theonly means by which a discharge of nervous energy is A B Fig. S.—The Finish of a between animals in Fig
The origin and nature of the emotions; miscellaneous papers . lii. 7.—Contest Ietween- a J^eeu and a Do(i. Cornparr- the intense Htiniiil:ilir,ii ;iiiil fearful excitement manifested liy these animals with iIm cahi] rontrol of the animals in Fig. 6. PHYLOGENETIC ASSOCIATION AND MEDICAL PROBLEMS 19 awaken those reflex actions which by natural selection havebeen developed for the purpose of self-protection. Ade-quate stimulation of the nociceptors for pain is not theonly means by which a discharge of nervous energy is A B Fig. S.—The Finish of a between animals in 6 and 7 finds its analogy in a com-parison of these runners—A, poorly equipped by training and fearful of the re-sult, shows every evidence of exhaustion; while B, confident in the strengthgiven by superior training, wins the race with ease. Nervous energy may be discharged also by adequate stimu-lation of the various ticklish regions of the body; the entireskin surface of the body contains delicate ticklish receptors are closelj^ related to the nociceptors for 20 THE EM(.)TI()NS pain, anil their adequate stimulation l:)y an insert-like a discharge oi energy,—a iiei-ve-nmscular reaction,—resembling that developed for the i)urpose of brushing offinsects. This reflex is similar to the sci-atch reflex in thedog. The discharge of encMgy is almost wholly independentof the ^^•ill and is a self-prot(>cti^e action in the same senseas is the response to ])ain stimuli. The ear in m
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Keywords: ., bookcentury1900, bookdecade1910, booksubject, booksubjectemotions