Photoplethysmography (PPG) is a low-cost, non-invasive, and optical technique used to
detect blood volume changes in the microvascular tissue bed, measured from the skin …

Aim is to determine if the training with heart rate variability biofeedback allows to improve
performance in athletes of different disciplines. Methods such as database search on Web of …

Background Heart rate variability (HRV) is considered as an index of both physical and
emotional health, and biofeedback aiming to increase the level of HRV has demonstrated …

An increasing cancer incidence affecting any age and social class is putting serious strain
on populations and health care systems around the world. This systematic literature search …

Human performance optimization of tactical personnel requires accurate, meticulous, and
effective monitoring of biological adaptations and systemic recovery. Due to an increased …

Due to the variation in factors surrounding humans, the physiological impact of stress is
reported to be different for each individual. Thus, an efficient stress monitoring system needs …

Objective Heart rate variability (HRV) analysis has been used to evaluate patients with
various cardiovascular diseases. While the vast majority of HRV studies have focused on …

Objective Respiratory abnormalities are a hallmark of anxiety symptomatology and may
serve as clinically useful modifiers for alleviating anxiety symptoms. However, gold-standard …

Negative emotion has a wide range of pernicious impacts on people, ranging from the
failure in real-time task performance to the development of chronic health conditions. An …

This paper describes a novel methodology leveraging particle filters for the application of
robust heart rate monitoring in the presence of motion artifacts. Motion is a key source of …