Why the study?
Does emotional visual elicitation alter the non-linear complexity of HRV in healthy volunteers compared to neutral visual elicitation?
Population
35 healthy volunteers, mean age 22, naive to the purpose of the experiment, without cardiovascular or…
Comparison
Emotional visual elicitation using high arousal… vs Neutral visual elicitation using neutral images…
Design
Other
Authors
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Emotional arousal may reduce HRV complexity in healthy volunteers; leaves open relevance to cardiovascular patients or risk stratification.
Does emotional visual elicitation alter the non-linear complexity of HRV in healthy volunteers compared to neutral visual elicitation?
Emotional arousal induces a statistically significant decrease in HRV complexity and a shift to negative Dominant Lyapunov Exponents, indicating a transition from chaotic to regular cardiac dynamics.
Valenza et al. (2012) studied this question.
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