Physiological mechanism underlying the improvement in visuospatial performance due to 30% oxygen inhalation

Chung, Soon−Cheol; Lee, Bongsoo; Tack, Gye−Rae; Yi, Jeong-Han; Lee, Hang-Woon; Kwon, Ji-Hun; Choi, Mi-Hyun; Jin-Sup, Eom; Sohn, Jong Hee

doi:10.1016/j.apergo.2007.05.008

Cited by 27 publications

(29 citation statements)

References 19 publications

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“…Previous studies reported that HR during the cognitive task phases increased over the rest phase [4,[6][7][8][9]19,20]. This study also showed that HR increased in the visual matching task phase over the rest phase.…”

Section: Discussionsupporting

confidence: 77%

“…In order to metabolize the fuel, the brain needs more oxygen [13]. Therefore, oxygen demand increases during cognitive processing period and this induces an increase in HR [4,[6][7][8][9]19,20].…”

Section: Discussionmentioning

confidence: 99%

“…In this study, a visual matching task with a low level of difficulty was developed as a cognitive task for ADHD children. This task was a self-developed simple visual matching task, similar to the visual matching task for the effect of hyperoxic gas [9] and based on other tasks for simple visuospatial cognition studies [1,3,7,[16][17][18]. As shown in Fig.…”

Section: Methodsmentioning

confidence: 99%

“…Many studies were performed using various verification methods to describe the effect of highly concentrated oxygen on the cognitive performance of normal healthy people [3][4][5][6][7][8][9][10][11][12][13][14][15]. Highly concentrated oxygen was found to enhance cognitive ability, including visuospatial [7,10], memory [9,[12][13]15], verbal [4], n-back tasks [6], and addition [8].…”

Section: Introductionmentioning

confidence: 99%

“…Highly concentrated oxygen was found to enhance cognitive ability, including visuospatial [7,10], memory [9,[12][13]15], verbal [4], n-back tasks [6], and addition [8]. External oxygen administration improved cognitive performance by decreasing response time [9][10][12][13][14][15] and/or increasing the percentage of correct answers [4,[6][7][8][9][10][12][13]. Many studies also have been undertaken to support the effects of highly concentrated oxygen on cognitive performance of healthy young adults.…”

Section: Introductionmentioning

confidence: 99%

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Response time of visual matching task and heart rate in children with Attention Deficit Hyperactivity Disorder (ADHD)

Kim

Choi

et al. 2014

Bio-Medical Materials and Engineering

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The purpose of this study was to investigate the relation between response time of visual matching task and heart rate (HR) in children with Attention Deficit Hyperactivity Disorder (ADHD). Thirty boys who were diagnosed with ADHD and are under treatment participated in the study. The experiment consisted of three phases, a total of 5 min with rest phase, control phase, and visual matching task phase. HR was measured during each phase. The HR in visual matching task phase increased, compared to that in rest phase. There was a negative correlation between response time of visual matching task and magnitude of the HR in the visual matching task phase. In other words, as HR increased, response time of the visual matching task decreased. This means that increasing in HR increased the supply of oxygen by fast circulation of blood for cognitive processing and this induced the improvement of cognitive ability in the ADHD children. This means that increasing HR increased the supply of oxygen by fast circulation of blood for cognitive processing and this induced the improvement of cognitive ability in the ADHD children. The result of this study supports previous studies that the administration of high oxygen concentration can positively affect the cognitive performance of the ADHD children. The results of the present and previous studies also may provide scientific evidence that can be used for treating patients with cognitive problems such as ADHD.

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Section: Discussionsupporting

confidence: 77%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Response time of visual matching task and heart rate in children with Attention Deficit Hyperactivity Disorder (ADHD)

Kim

Choi

et al. 2014

Bio-Medical Materials and Engineering

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Temporal Pattern of Cortical Hypoxia in Multiple Sclerosis and Its Significance on Neuropsychological and Clinical Measures of Disability

Adingupu,

Evans,

Soroush

et al. 2023

Annals of Neurology

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ObjectiveMultiple sclerosis (MS) is a degenerative disease of the central nervous system (CNS) characterized by inflammation, demyelination, and axonal damage. It has been hypothesized that hypoxia plays a role in the pathogenesis of MS. This study was undertaken to investigate the reproducibility of non‐invasively measured cortical microvascular hemoglobin oxygenation (StO2) using frequency domain near‐infrared spectroscopy (fdNIRS), investigate its temporal pattern of hypoxia in people with MS (pwMS), and its relationship with neurocognitive function and mood.MethodsWe investigated the reproducibility of fdNIRS measurements. We measured cortical hypoxia in pwMS, and the relationships between StO2, neurocognitive function, fatigue, and measures of physical disability. Furthermore, we cataloged the temporal pattern of StO2 measured at 1‐week intervals for 4 weeks, and at 8 weeks and ~1 year.ResultsWe show that fdNIRS parameters were highly reproducible in 7 healthy control participants measured over 6 days (p > 0.05). There was low variability between and within subjects. In line with our previous findings, we show that 33% of pwMS (n = 88) have cortical microvascular hypoxia. Over 8 weeks and at ~1 year, StO2 values for normoxic and hypoxic groups did not change significantly. There was no significant association between cognitive function and StO2. This conclusion should be revisited as only a small proportion of the relapsing‐remitting MS group (21%) was cognitively impaired.InterpretationThe fdNIRS parameters have high reproducibility and repeatability, and we have demonstrated that hypoxia in MS is a chronic condition, lasting at least a year. The results show a weak relationship between cognitive functioning and oxygenation, indicating future study is required. ANN NEUROL 2023

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Changes in Cognitive Performance Due to Three Types of Emotional Tension

Choi

Lee

Yang

et al. 2010

Database Theory and Application, Bio-Science and Bio-Technology

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Physiological mechanism underlying the improvement in visuospatial performance due to 30% oxygen inhalation

Cited by 27 publications

References 19 publications

Response time of visual matching task and heart rate in children with Attention Deficit Hyperactivity Disorder (ADHD)

Response time of visual matching task and heart rate in children with Attention Deficit Hyperactivity Disorder (ADHD)

Temporal Pattern of Cortical Hypoxia in Multiple Sclerosis and Its Significance on Neuropsychological and Clinical Measures of Disability

Changes in Cognitive Performance Due to Three Types of Emotional Tension

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