The Effects of Oxytocin on Fairness Perception and Related Prosocial Behaviors

Condition(s) studied

Investigational drug(s) / intervention(s)

Oxytocin nasal spray: intranasal administration of oxytocin (24IU)

Placebo: intranasal administration of placebo (24IU)

Study summary

This study aims to investigate the modulation of intranasally administered oxytocin (24 IU) on human fairness perception and related prosocial behaviors.

Eligibility

Primary outcome measure(s)

• Fairness rating scores — 1 hour
  Participants are asked to rate their perceived levels of fairness on a 9-point Likert scale (1 = highly fair, 9 = highly unfair) to the computer's allocation in each trial.
• Anticipated guilt rating scores — 1 hour
  Participants are asked to rate the anticipated guilt they would feel if they accepted the allocation given by the computer in each trial. Ratings were conducted on a 9-point Likert scale (1 = not at all, 9 = highly guilty).
• The binary decision to the initial allocation — 1 hour
  Participants are asked to makde decisions of accepting or rejecting the allocation provided by the computer in each trial.
• Brain activity patterns — 1 hour
  Brain activity patterns in response to the outcome of the allocation given by computer and the binary decision. We will examine these brain response patterns via both the conventional univariate analysis and the machine learning-based multivariate pattern analysis (MVPA) approaches.

Trial sites (1)

More University of Electronic Science and Technology of China trials in China

Other trials for the same condition