Keywords: Principles of Psychology (James) v1 p21.png en Electric current model of the nervous system <P>Fig 2 ”H Cerebral Hemispheres; C Central Nervous System below the cerebral hemispheres; S Sense-organ; M Muscle </P> <P>From the first edition of The Principles of Psychology by William James 1890 vol I page 21 <P> 1890 https //archive org/details/principlesofpsyc001jame Internet Archive scan of the book William James other versions PD-old-100-1923 Principles of Psychology 1890 Nervous system Uploaded with UploadWizard |