Table 1.

Assumptions underlying the path integration mechanism that would result in each of hypothetical foraging/homing paths illustrated in Fig. 2

Hypothetical pathDirection informationIntegration of self-translation during disk rotation?Integration of imposed translation resulting from disk rotation?Integration of compensatory turns?
BlackAllotheticNoNoNo; direction from e.g. sky
BlueAllotheticYes; measured against e.g. skyNoNo; direction from e.g. sky
VioletAllotheticYes; measured against e.g. skyYes; measured against e.g. skyNo; direction from e.g. sky
RedIdiotheticNoNoNo
OrangeIdiotheticNoNoYes
GreenIdiotheticYes; measured against body axisNoYes
GrayIdiotheticYes; measured against body axisNoNo