Thesis is concerned with the source and characteristics of variability in the discharge of impulses by neurons. The neuron in which variability was studied is the eccentric cell in the compound eye of the horseshoe crab, Limulus...
Spatial distribution of the inhibitory influences exerted by ommatidia in the Limulus lateral eye was measured. The source of inhibition was a small cluster of ommatidia illuminated through a flexible bundle of glass fibers...