Entropy and the brain: An overview

S Keshmiri - Entropy, 2020 - mdpi.com
Entropy is a powerful tool for quantification of the brain function and its information
processing capacity. This is evident in its broad domain of applications that range from …

High density optical neuroimaging predicts surgeons's subjective experience and skill levels

HO Keles, C Cengiz, I Demiral, MM Ozmen… - PLoS One, 2021 - journals.plos.org
Measuring cognitive load is important for surgical education and patient safety. Traditional
approaches of measuring cognitive load of surgeons utilise behavioural metrics to measure …

Screening for Alzheimer's disease using prefrontal resting-state functional near-infrared spectroscopy

HO Keles, EZ Karakulak, L Hanoglu… - Frontiers in Human …, 2022 - frontiersin.org
Introduction Alzheimer's disease (AD) is neurodegenerative dementia that causes
neurovascular dysfunction and cognitive impairment. Currently, 50 million people live with …

Higher hypnotic suggestibility is associated with the lower EEG signal variability in theta, alpha, and beta frequency bands

S Keshmiri, M Alimardani, M Shiomi, H Sumioka… - PLoS …, 2020 - journals.plos.org
Variation of information in the firing rate of neural population, as reflected in different
frequency bands of electroencephalographic (EEG) time series, provides direct evidence for …

Conditional entropy: A potential digital marker for stress

S Keshmiri - Entropy, 2021 - mdpi.com
Recent decades have witnessed a substantial progress in the utilization of brain activity for
the identification of stress digital markers. In particular, the success of entropic measures for …

Differences in prefrontal cortex activity based on difficulty in a working memory task using near-infrared spectroscopy

I Lucas, P Urieta, F Balada, E Blanco, A Aluja - Behavioural Brain Research, 2020 - Elsevier
The Prefrontal cortex (PFC) has been highly related to executive functions such as working
memory (WM). This study assesses the activity of the PFC in performing the Sternberg WM …

Easy abacus calculation in early childhood to support executive function: An educational pilot case study of comparing brain activity in the prefrontal cortex

N Watanabe - Frontiers in Education, 2021 - frontiersin.org
The development of executive functions is remarkable in early childhood. Therefore,
research on how to support the development of executive functions is actively being …

Differential Effect of the Physical Embodiment on the Prefrontal Cortex Activity as Quantified by Its Entropy

S Keshmiri, H Sumioka, R Yamazaki, H Ishiguro - Entropy, 2019 - mdpi.com
Computer-mediated-communication (CMC) research suggests that unembodied media can
surpass in-person communication due to their utility to bypass the nonverbal components of …

fNIRS complexity analysis for the assessment of motor imagery and mental arithmetic tasks

A Ghouse, M Nardelli, G Valenza - Entropy, 2020 - mdpi.com
Conventional methods for analyzing functional near-infrared spectroscopy (fNIRS) signals
primarily focus on characterizing linear dynamics of the underlying metabolic processes …

Decoding the perceived difficulty of communicated contents by older people: Toward conversational robot-assistive elderly care

S Keshmiri, H Sumioka, R Yamazaki… - IEEE Robotics and …, 2019 - ieeexplore.ieee.org
In this study, we propose a semi-supervised learning model for decoding of the perceived
difficulty of communicated content by older people. Our model is based on mapping of the …