Feeling good: autonomic nervous system responding in five positive emotions.
Level 3 - non-randomized controlled study
Non-randomized within-subjects laboratory experimental study comparing positive emotion conditions against neutral control.
PubMed 22142210 · doi:10.1037/a0024278
What was done
Participants viewed sets of visual images designed to elicit five specific positive emotions (anticipatory enthusiasm, attachment love, nurturant love, amusement, and awe) alongside an emotionally neutral state using a repeated measures experimental design. Peripheral measures of sympathetic and vagal parasympathetic activation were assessed during each condition.
What was found
The abstract does not report any quantitative values, effect sizes, or specific physiological numbers. It reports qualitatively that the positive emotion conditions were characterized by distinct profiles of autonomic nervous system activation.
Why it matters
The findings suggest that positive emotional experience is not a single undifferentiated state, demonstrating that distinct positive emotions have differentiated peripheral physiological signatures.
Limits
The abstract does not report the sample size, participant demographics, specific autonomic variables measured, or numerical results. Laboratory image-viewing may not fully replicate naturalistic emotional experiences.