RESPONSIBILITY IN CRIME. 



159 



ences of this kind, the impression produced by the pain being so 

 much stronger than that produced by seeing the candle flame, the 

 attempt to seize it is inhibited, and it finally comes about by 

 means of these association fibers that the sight of flame immedi- 

 ately excites this inhibitory center. The cells and processes con- 

 cerned transmit the impressions more readily by each repetition 

 until the result becomes uniform ; the child has learned some- 

 thing, and finally the desire diminishes. By the process of induc- 



FiG. 5. , skin on the surface ot the body; 17, a sensory cell in the medulla oblongata; 

 /), sensory cell in the cortex of the brain ; <, motor cell in the cortex of tlie brain ; D, cell 

 in the cerebellum where muscular movements are co-ordinated ; -), motor cell in the spinal 

 cord ; m, muscle. The course of a stimulus at " a " can readily be followed to the cortex 

 of the brain and back again to the muscle, resulting in a muscular movement. 



tion from simple examples like this, those which are more com- 

 plex may be explained. Here Nature inflicted the penalty in the 

 form of bodily pain, which resulted in the establishment of a per- 

 manent inhibitory center. In a similar way society attempts, by 



