Table 1.
Measurements and descriptions of non-task-related behavior for each chimpanzee and human subject during FDG uptake
| Condition | Subject | Time | Description of non-task-related behavior |
|---|---|---|---|
| Action execution | Chimp1 | 3:08 | Chew on ball, scratch/groom self, return ball through cage mesh, raspberry, aggression display |
| Chimp 2 | 1:59 | Chew on ball, bite fingernails, scratch/groom self | |
| Chimp 3 | 1:20 | Swing, climb, move barrel, manipulate cage lock | |
| Chimp 4 | 5:00 | Food beg, spit water at experimenters | |
| Transitive observation | Chimp1 | 1:00 | Groom self |
| Chimp 2 | 2:15 | Swing, climb, manipulate own feet, bite fingernails, food beg, aggression display, throw feces at experimenters, scratch/groom self, pat own head, manipulate cage locks | |
| Chimp 3 | 1:18 | Scratch/groom self, aggression display | |
| Chimp 4 | 1:36 | Suck thumb, poke finger through cage mesh, scratch/groom self | |
| Intransitive observation | Chimp1 | 3:55 | Scratch/groom self, spit water at experimenters |
| Chimp 2 | 3:34 | Pick up hairs from floor, bite/lick cage mesh, scratch/groom self, climb | |
| Chimp 3 | 0:37 | Climb | |
| Chimp 4 | 4:42 | Spit water at experimenters, scratch/groom self, manipulate own feet, gurgle juice, food beg | |
| Transitive observation | Human 1 | 0:48 | Manipulate wristwatch, scratch face, yawn, adjust shirt |
| Human 2 | No video due to equipment error | ||
| Human 3 | 04:46 | Head nod, fall asleep | |
| Human 4 | 04:29 | Yawn, manipulate blanket | |
| Human 5 | 01:38 | Rearrange blanket, yawn | |
| Human 6 | 00:07 | Yawn, stretch, scratch face |