Functional Near-Infrared Spectroscopy in Non-Domesticated Grey Seals

Functional near-infrared spectroscopy is successfully used to measure brain activation to visual, auditory, and tactile stimuli in non-domesticated grey seals. The results encourage further investigation of cognition in free-ranging animals.

Prefrontal Cortex Activation During Motor Sequence Learning Under Interleaved and Repetitive Practice: A Two-Channel Near-Infrared Spectroscopy Study

Training under high interference conditions through interleaved practice (IP) results in performance suppression during training but enhances long-term performance relative to repetitive practice (RP) involving low interference. Previous neuroimaging …

A Functional Near-Infrared Spectroscopy Examination of the Neural Correlates of Cognitive Shifting in Dimensional Change Card Sort Task

This study aims to examine the neural correlates of cognitive shifting during the Dimensional Change Card Sort Task (DCCS) task with functional near-infrared spectroscopy. Altogether 49 children completed the DCCS tasks, and 25 children (Mage = …

Age-related decline in visuo-spatial working memory is reflected by dorsolateral prefrontal activation and cognitive capabilities

Introduction: Visuo-spatial working memory (VSWM) performances undergo a decline throughout aging and are affected by the space in which the task is performed (reaching or navigational). Cerebral oxygenation and cognitive capabilities could explain …

Physiological indicators of task demand, fatigue, and cognition in future digital manufacturing environments

As Digital Manufacturing transforms traditionally physical work into more system-monitoring tasks, new methods are required for understanding people's mental workload and prolonged capacity for focused attention. Many physiological measures have …

Application of Functional Near-Infrared Spectroscopy in Neurological Diseases: Epilepsy, Stroke and Parkinson

The functional near-infrared spectroscopy (fNIRS) technology is an optical imaging technology that applies near-infrared light to measure the oxygenated and deoxygenated hemoglobin concentration alteration in cortical brain structures. It has the …

Unveilling the cerebral and sensory contributions to automatic postural control during dual-task standing

Objectives: The postural control dual-task literature has demonstrated greater postural stability during dual-task in comparison to single task (i.e., standing balance alone through the examination of multiple kinetic and kinematic measures. This …

Dopaminergic therapy and prefrontal activation during walking in individuals with Parkinson's disease: does the levodopa overdose hypothesis extend to gait?

The “levodopa-overdose hypothesis” posits that dopaminergic replacement therapy (1) increases performance on tasks that depend on the nigrostriatal-pathway (e.g., motor-control circuits), yet (2) decreases performance on tasks that depend upon the …

A mini-review on functional near-infrared spectroscopy (fNIRS): Where do we stand, and where should we go?

This mini-review is aimed at briefly summarizing the present status of functional near-infrared spectroscopy (fNIRS) and predicting where the technique should go in the next decade. This mini-review quotes 33 articles on the different fNIRS basics …

Onset Classification in Hemodynamic Signals Measured during Three Working Memory Tasks Using Wireless Functional Near-Infrared Spectroscopy

Wireless wearable functional near-infrared spectroscopy (fNIRS) has attracted growing attention as a candidate for real-life brain monitoring systems. It is important to determine the onsets at which neuronal activation is evoked by cognitive status …

A Review on the Use of Wearable Functional Near-Infrared Spectroscopy in Naturalistic Environments

The development of novel miniaturized wireless and wearable functional near-infrared spectroscopy (fNIRS) devices has paved the way for new functional brain imaging that could revolutionize the cognitive research fields. Over the past few decades, …

Functional near-infrared spectroscopy to probe sensorimotor region activation during electrical stimulation-evoked movement

This study used non-invasive functional near-infrared spectroscopy (fNIRS) neuroimaging to monitor bilateral sensorimotor region activation during unilateral voluntary (VOL) and neuromuscular electrical stimulation (NMES)-evoked movements. Methods. …

Optimization measurement of muscle oxygen saturation under isometric studies using FNIRS

Development of functional near infrared spectroscopy (fNIRS) technologies has advanced quantification signal using multiple wavelength and detector to investigate hemodynamic response in human muscle. These non-invasive technologies have been widely …

Does ventrolateral prefrontal cortex help in searching for the lost key? Evidence from an fNIRS study

The Key Search Task (KST) is a neuropsychological test that requires strategies for searching a lost key in an imaginary field. This request may involve different cognitive processes as mental imagery and navigation planning. This study was aimed at …

Neurophysiological correlates of tDCS-induced modulation of cortical sensorimotor networks: A simultaneous fNIRS-EEG study

Transcranial direct current stimulation (tDCS) is a noninvasive and portable brain stimulation technique that is ideally suited to augment human brain performance in everyday settings. The aim of this study was to measure and model the time course of …

A novel semi-immersive virtual reality visuo-motor task activates ventrolateral prefrontal cortex: A functional near-infrared spectroscopy study

Objective. In the last few years, the interest in applying virtual reality systems for neurorehabilitation is increasing. Their compatibility with neuroimaging techniques, such as functional near-infrared spectroscopy (fNIRS), allows for the …

Prefrontal cortex activation upon a demanding virtual hand-controlled task: A new frontier for neuroergonomics

Functional near-infrared spectroscopy (fNIRS) is a non-invasive vascular-based functional neuroimaging technology that can assess, simultaneously from multiple cortical areas, concentration changes in oxygenated-deoxygenated hemoglobin at the level …

Effects of anodal high-definition transcranial direct current stimulation on bilateral sensorimotor cortex activation during sequential finger movements: An fnirs study

Transcranial direct current stimulation (tDCS) is a non-invasive electrical brain stimulation technique that can modulate cortical neuronal excitability and activity. This study utilized functional near infrared spectroscopy (fNIRS) neuroimaging to …

Cortical motor output decreases after neuromuscular fatigue induced by electrical stimulation of the plantar flexor muscles

Aim: Neuromuscular electrical stimulation (NMES) causes early onset of neuromuscular fatigue. Peripheral electrophysiological explorations suggest that supra-spinal alterations are involved through sensitive afferent pathways. As sensory input is …

Continuous affective states recognition using functional near infrared spectroscopy

Monitoring the affective states of a person can be highly relevant for numerous disciplines, including adaptive user interfaces, entertainment, ergonomics, medicine and therapy. In many situations, the affective state of a user is not easily …