Summary of results
| Function | Dependent measure | Effect of tryptophandepletion |
|---|---|---|
| Motor response inhibition | Commission errors across all taskconditions | − |
| Punishment-inducedinhibition | Slowed RT in punished conditionsrelative to rewarded conditions | ↓ |
| Reporting aversive outcomemagnitude | Response bias adjustment topunishment contingencies | − |
| Reporting aversive outcomeoccurrence | Slowed RT on trials after punishmentcompared with trials afternon-punishment | − |