NATURE AND BASIS OF FUSION 



335 



Images presented 

 separately to the 

 eyes, as in a ster- 

 eoscope 



Infornnation trav- 

 eling in optic 

 nerves 



Hue synthesized 

 (though not per- 

 ceived) here? 



Infornnation trav- 

 eling in optic 

 radiations 



Stereoscopic half- 

 image resulting 

 from intra-hemi- 

 spheric fusion of 

 patterns 



- /wo 

 miscible colors 



Optic chiasma 



Sup. colliculus 

 Optic tract 



„ Lateral geniculate 



nucleus 



Optic radiation 



Lnmince of layer 

 EZof the visual 

 «- cortex^he striate 

 area) in the occ- 

 ipital lobe 



Complete stereo-image 

 resulting from psychic 

 acts of re -inversion and 

 inter-hemispheric fusion 



Fig. 123 — Afferent visual pathways and events in binocular vision, in primates. (In most 

 other mammals the laminations of the lateral geniculate and of layer IV are less clear-cut). 



