Cold face test-induced increases in heart rate variability are abolished by engagement in a social cognition task

Frank Iorfino, Gail A. Alvares, Adam J. Guastella, Daniel S. Quintana

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The vagus nerve is a major constituent in the bidirectional relationship between the heart and the prefrontal cortex. This study investigated the role of the vagus in social cognition using the cold face test (facial cooling) to stimulate the vagus nerve and increase prefrontal inhibitory control. Heart Rate Variability (HRV) was measured to index parasympathetic outflow while social cognition ability was tested using the Reading the Mind in the Eyes Test (RMET). Healthy males (n = 25) completed the RMET under two conditions: with and without facial cooling. Results indicated that although facial cooling increased HRV at rest, there was no improvement in the RMET during the facial cooling condition. Interestingly, completing the RMET with facial cooling abolished this increase in HRV, suggesting interference along the vagal reflex arc. These results are consistent with the involvement of a common cortico-subcortical circuit in autonomic and cognitive processes, important for emotion recognition.

Original languageEnglish
Pages (from-to)38-46
Number of pages9
JournalJournal of Psychophysiology
Volume30
Issue number1
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes

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