Does the heart feel pain?: Examining the effects of social rejection on beat-to-beat  heart rate.

Social rejection is conceptualized as a threat to survival, yet the physiological mechanisms at work during social rejection have not received much attention. Prior research has shown a link between heart rate changes and social rejection and the possible correlation of self-esteem levels to heart rate changes. Here we examined the effect of positive and negative peer feedback on heart rate changes of participants. Fifty participants (mean age = 20.4) took part in the newly developed social evaluation through feedback (SELF)- paradigm where they predicted, then received social evaluative feedback from four peers who differed in their probability of giving social acceptance versus rejection feedback. We hypothesized that social rejection would result in a transient slowing of heart rate and that this effect would be more prominent with unexpected social rejection. We also expected to find a significant difference in heart rate changes towards each different peer. Moreover, we...Show moreSocial rejection is conceptualized as a threat to survival, yet the physiological mechanisms at work during social rejection have not received much attention. Prior research has shown a link between heart rate changes and social rejection and the possible correlation of self-esteem levels to heart rate changes. Here we examined the effect of positive and negative peer feedback on heart rate changes of participants. Fifty participants (mean age = 20.4) took part in the newly developed social evaluation through feedback (SELF)- paradigm where they predicted, then received social evaluative feedback from four peers who differed in their probability of giving social acceptance versus rejection feedback. We hypothesized that social rejection would result in a transient slowing of heart rate and that this effect would be more prominent with unexpected social rejection. We also expected to find a significant difference in heart rate changes towards each different peer. Moreover, we expected self-esteem to influence heart rate reactions to feedback. As predicted, results revealed a more pronounced deceleration of heart rate during unexpected rejection, though this effect was also found with unexpected social acceptance. Difference in heart rate in response to feedback from each different peers was found, namely a transient slowing of heart rate for negative feedback from Peer 1 and positive feedback from Peer 4. Moreover, levels of self-esteem did not explain a significant amount of variance in heart rate changes. Future research should focus on a larger and more diverse sample size in order to confirm the current findings. This study added to current literature by again confirming a brake in heart rate during unexpected social rejection and by finding new results in heart rate during unexpected social acceptance from a more negative peer.Show less

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Does the heart feel pain? Examining the effects of social rejection on beat-to-beat heart rate.