Clinical translation of optical quantification of muscle function to aid pelvic floor muscle rehabilitation following partial spinal cord injury

Background: Spinal cord injury (SCI) compromises muscle function; when the pelvic floor muscles (PFM) are involved continence is affected. Women with partial injury rely on PFM rehabilitation therapy (PFMT) to aid continence, but the current lack of …

Application of near-infrared spectroscopy in human elite freedivers while deep diving on a single breath hold

Near-infrared spectroscopy was used to observe the cerebral hemodynamic response of freedivers during single breath-hold training dives. We observed variability in hemodynamic progression, and heartbeat shape changes with diving depth.

Home-based monitoring of lower urinary tract health: simultaneous measures using wearable near infrared spectroscopy and linked wireless scale

Background: Worldwide textless4 billion people suffer from urinary tract symptoms that negatively affect quality of life and incur significant cost. Currently, clinical assessment requires invasive urodynamic testing; as this involves catheterization …

Near infrared spectroscopy as an adjunctive technology in the care of spinal cord and brain

Near infrared spectroscopy systems are relied on today as adjuncts to aid intensive care and guide intraoperative and anaesthetic management. Ongoing evolution has given these technologies increasing clinical relevance. The original pioneering work …

Optical monitoring in kidney transplant

The main objective of this study was to assess the feasibility of NIRS (PortaMon®, Artinis Medical Systems) as a noninvasive monitoring method for kidney transplant function. We hypothesized that changes in NIRS (near infra-red spectroscopy) …

Studying the effects of externally applied pressure on soft tissue oxygenation

Understanding the effects of risk factors contributing to pressure injuries is critical for preventing the formation of these complex chronic wounds. Near-infrared spectroscopy (NIRS) provides a means to measure tissue oxygenation when external …

A Chiral fNIRS Spotlight on Cerebellar Activation in a Finger Tapping Task

Functional Magnetic Resonance Imaging (fMRI) has been so far the golden standard to study the functional aspects of the cerebellum. In this paper, a low-cost alternative imaging, i.e. functional Near-Infrared Spectroscopy (fNIRS) is demonstrated to …

Using Concurrent fNIRS and EEG Measurements to Study Consumer's Preference

Neuromarketing research has emerged as an innovative method of collecting accurate consumer data for understanding consumer decisions and improving marketing efforts. Using neurophysiological measures with devices such as eye trackers, functional …

Employing cardiac and respiratory features extracted from fNIRS signals for mental workload classification

Functional Near-Infrared Spectroscopy (fNIRS) is gaining popularity in detection and classification of cognitive and emotional states. In addition to hemodynamic responses arising from functional activity changes in the brain areas of interest, fNIRS …

fNIRS signal quality estimation by means of a machine learning algorithm trained on morphological and temporal features

Functional near infrared spectroscopy (fNIRS) is used for brain hemodynamic assessment. Cortical hemodynamics are reliably estimated when the recorded signal has a sufficient quality. This is acquired when fNIRS optodes have proper scalp coupling. A …

Measurement of exercise treatment effect from pelvic floor muscle therapy for lower urinary tract dysfunction using near infrared spectroscopy

Background: In sports medicine, near infrared spectroscopy (NIRS) is used to measure physiologic parameters of muscle function, and quantify the effects of exercise. Firstline treatment for urinary incontinence (UI) involves pelvic floor muscle (PFM) …

Investigating the Utility of fNIRS to Assess Mental Workload in a Simulated Helicopter Environment

Functional near-infrared spectroscopy (fNIRS) has been used with moderate success in many passive brain-computer interface applications. Much of this recent work has been focused on differentiating between various states shortly following discrete …

Non-invasive assessment of ribcage inspiratory muscle fatigue during two endurance tests in healthy subjects

Introduction: Fatigue is defined as a loss in the capacity for developing force and/or velocity of a muscle which is reversible by rest. The aim was to evaluate non-invasively the fatigue and recovery of the inspiratory ribcage muscles during two …

Brain activation in virtual reality for attention guidance

Virtual Reality (VR) not only offers great opportunities in terms of entertainment, it is also widely applicable in the field of attention guidance, medicine and psychology. The distinction between VR and ordinary media is the 360$$^∘ $$ - also known …

Simultaneous functional near infrared spectroscopy of the brain and bladder

Background: Worldwide 2.3 billion individuals are affected by bladder disease. The current evaluative test is invasive, associated with complications and often declined. Non-invasive evaluation of bladder hemodynamics using continuouswave …

The Role of Cue Utilization during a Simulated Driving Scenario

The present study was designed to establish whether a cue-based assessment of driving could predict cognitive load and performance during a simulated driving task. Following an assessment of cue utilization in the domain of driving, participants …

An overview of the feasibility of permanent, real-time, unobtrusive stress measurement with current wearables

Negative consequences of stress are a pervasive problem in our modern society. Recent developments in wearable lifestyle hardware have led to unobtrusive, sensor-packed, always-on devices that might finally be able to continuously monitor biosignals …

FNIRS and neurocinematics

In the overlap between Human-Computer Interaction (HCI) and Cinematics, sits an interest in physiological responses to experiences. Focusing particularly on brain data, Neurocinematics has emerged as a research field using Brain-Computer Interface …

Neurophysiological Variations in Food Decision-Making within Virtual and Real Environments

Simple lifestyle changes such as improving one's diet and getting sufficient exercise could significantly reduce the risk of developing obesity and related diseases such as diabetes, heart disease, stroke, and cancer. However, changing eating …

Evaluation of cortical neuroexcitation in urinary urgency using simultaneous near infrared spectroscopy of the brain and bladder with quantification of sensation

© 2019 SPIE Background: Overactivity of the bladder (OAB) affects 20% of people globally, causing urgency to void and incontinence of urine (UI)). OAB has a multi-factorial causation. Problematically current tests are invasive and provide limited …