Table 1.
Experimental conditions for experiments I and II
| Condition | Behavioral significance of RF stimulus |
||||
|---|---|---|---|---|---|
| Target | Semitarget | Antitarget | Target absent | ||
| Experiment I | |||||
| Sensory significance of RF stimulus | Preferred direction | Condition I.1 | Condition I.3 | Condition I.5 | |
| Antipreferred direction | Condition I.2 | Condition I.4 | Condition I.6 | ||
| Experiment II | |||||
| Feature cueing of RF stimulus | Cueing by color | Condition II.1 | Condition II.2 | Condition II.3 | Condition II.4 |
| Cueing by motion | Condition II.1 | Condition II.2 | Condition II.3 | Condition II.4 | |