Studied species | Presynaptic cells | → presynaptic to ↓ | ||
---|---|---|---|---|
R-cells | D-Cells | A-cells | ||
Achelia langi | - | + | +++ | R-cells |
+++ | + | ++ | D-cells | |
++ | + | - | A-cells | |
 | R-cells | L-Cells | C-, T- and amacrine cells | → presynaptic to ↓ |
Drosophila melanogaster | - | + | ++ | R-cells |
+++ | + | ++ | L-cells | |
++ | - | - | Amacrine cells |