English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Method for spectral analysis of heart rate variability (HRV), and physiological characteristics of their spectral components are discussed. Respiratory component has a liner relationship with cardiac parasympathetic activity. Other component ranging around 0.1Hz is related to Mayer wave of arterial blood pressure. They provide a quantitative index of autonomic nervous function.

Spectral component of heart rate variability as an index of autonomic nervous function.