An open source tool for heart rate variability spectral analysis

L Rodríguez-Liñares, AJ Méndez, MJ Lado… - Computer methods and …, 2011 - Elsevier
In this paper we describe a software package for develo** heart rate variability analysis.
This package, called RHRV, is a third party extension for the open source statistical …

Advancements in noncontact, multiparameter physiological measurements using a webcam

MZ Poh, DJ McDuff, RW Picard - IEEE transactions on …, 2010 - ieeexplore.ieee.org
We present a simple, low-cost method for measuring multiple physiological parameters
using a basic webcam. By applying independent component analysis on the color channels …

On the quantification of heart rate variability spectral parameters using time–frequency and time-varying methods

LT Mainardi - … Transactions of the Royal Society A …, 2009 - royalsocietypublishing.org
In the last decades, one of the main challenges in the study of heart rate variability (HRV)
signals has been the quantification of the low-frequency (LF) and high-frequency (HF) …

Improvements in remote cardiopulmonary measurement using a five band digital camera

D McDuff, S Gontarek, RW Picard - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Remote measurement of the blood volume pulse via photoplethysmography (PPG) using
digital cameras and ambient light has great potential for healthcare and affective computing …

Remote detection of photoplethysmographic systolic and diastolic peaks using a digital camera

D McDuff, S Gontarek, RW Picard - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
We present a new method for measuring photoplethysmogram signals remotely using
ambient light and a digital camera that allows for accurate recovery of the waveform …

Electroacupuncture accelerates gastric emptying in association with changes in vagal activity

HUI Ouyang, J Yin, Z Wang… - American Journal of …, 2002 - journals.physiology.org
Gastroparesis is a disorder with a lack of treatment options and this study investigated the
effect of electroacupuncture on gastric emptying and involved mechanisms. Dogs implanted …

Dynamic behavior of the locus coeruleus during arousal-related memory processing in a multi-modal 7T fMRI paradigm

HIL Jacobs, N Priovoulos, BA Poser, LHG Pagen… - elife, 2020 - elifesciences.org
A body of animal and human evidence points to the norepinephrine (NE) locus coeruleus
(LC) system in modulating memory for arousing experiences, but whether the LC would …

HRVCam: robust camera-based measurement of heart rate variability

A Pai, A Veeraraghavan… - Journal of biomedical …, 2021 - spiedigitallibrary.org
Significance: Non-contact, camera-based heart rate variability estimation is desirable in
numerous applications, including medical, automotive, and entertainment. Unfortunately …

Olfactory Wearables for Mobile Targeted Memory Reactivation

J Amores Fernandez, N Mehra, B Rasch… - Proceedings of the 2023 …, 2023 - dl.acm.org
This paper investigates how a smartphone-controlled olfactory wearable might improve
memory recall. We conducted a within-subjects experiment with 32 participants using the …

Transcutaneous electroacupuncture improves dyspeptic symptoms and increases high frequency heart rate variability in patients with functional dyspepsia

S Liu, S Peng, X Hou, M Ke… - Neurogastroenterology & …, 2008 - Wiley Online Library
The aim of the study was to evaluate the therapeutic value and possible mechanisms of
transcutaneous electroacupuncture (TEA) in a double‐blind and cross‐over study in patients …