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AstroNova software package gamma version 4.0
Software Package Gamma Version 4.0, supplied by AstroNova, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/software+package+gamma+version+4%2E0/software+package+gamma+v++4+0/pm28684586-84-24-28
Average 90 stars, based on 1 article reviews
software package gamma version 4.0 - by Bioz Stars, 2026-09
90/100 stars

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Article Title: The hypoxic ventilatory response and ventilatory long-term facilitation are altered by time of day and repeated daily exposure to intermittent hypoxia
Article Snippet: During sleep all physiological variables were analog to digitally converted at a sampling frequency of 100 Hz/channel and input into a microcomputer using a commercially available software package (Gamma Version 4.0, Astro-Med, West Warwick, RI).

Article Title: Exposure to intermittent hypoxia and sustained hypercapnia reduces therapeutic CPAP in participants with obstructive sleep apnea.
Article Snippet: 15 16 17 Running Title: Impact of mild intermittent hypoxia on therapeutic CPAP 18 19 20 21

Article Title: Impact of arousal threshold and respiratory effort on the duration of breathing events across sleep stage and time of night.
Article Snippet: Purpose: The frequency and duration of breathing events are influenced by sleep stage and time of day.. In the present study we examined if these modifications are linked to adaptations in the arousal threshold and/or the magnitude of respiratory effort during and immediately after breathing events.. Methods: Participants with sleep apnea slept for 3 h in the evening and morning.

Article Title: The ventilatory response to carbon dioxide and sustained hypoxia is enhanced after episodic hypoxia in OSA patients.
Article Snippet: Our primary hypothesis was that the acute ventilatory response to carbon dioxide in the presence of sustained hypoxia {VRCO2 (hypoxia)} or hyperoxia {VRCO2 (hyperoxia)} would increase in subjects with obstructive sleep apnea (OSA) after exposure to episodic hypoxia.. Secondarily, we hypothesized that chronic (i.e. years) exposure to episodic hypoxia, a hallmark of OSA, would facilitate persistent augmentation of respiratory activity (i.e. long-term facilitation) after acute (i.e. minutes) exposure to episodic hypoxia.. Nine healthy males with OSA that were healthy otherwise completed a series of rebreathing trials before and after exposure to eight 4 min episodes of hypoxia.

Article Title: Time of day affects the frequency and duration of breathing events and the critical closing pressure during NREM sleep in participants with sleep apnea.
Article Snippet: Mohamad El-Chami, David Shaheen, Blake Ivers, Ziauddin Syed, M. Safwan Badr, Ho-Sheng Lin, and Jason H. Mateika John D. Dingell Veterans Affairs Medical Center, Detroit, Michigan; Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan; Department of Internal Medicine, Wayne State University School of Medicine, Detroit, Michigan; Department of Otolaryngology-Head and Neck Surgery, Wayne State University School of Medicine and Karmanos Cancer Institute, Detroit, Michigan; and Department of Biomedical Engineering, Wayne State University Detroit, Michigan

Article Title: The impact of arousal state, sex, and sleep apnea on the magnitude of progressive augmentation and ventilatory long-term facilitation
Article Snippet: All physiological variables were analog-to-digitally converted at a sampling frequency of 100 Hz/channel and input into a microcomputer using a commercially available software package (Gamma version 4.0; Astro-Med, West Warwick, RI).

Software:

Article Title: The hypoxic ventilatory response and ventilatory long-term facilitation are altered by time of day and repeated daily exposure to intermittent hypoxia
Article Snippet: During sleep all physiological variables were analog to digitally converted at a sampling frequency of 100 Hz/channel and input into a microcomputer using a commercially available software package (Gamma Version 4.0, Astro-Med, West Warwick, RI).

Article Title: Exposure to intermittent hypoxia and sustained hypercapnia reduces therapeutic CPAP in participants with obstructive sleep apnea.
Article Snippet: 15 16 17 Running Title: Impact of mild intermittent hypoxia on therapeutic CPAP 18 19 20 21

Article Title: Impact of arousal threshold and respiratory effort on the duration of breathing events across sleep stage and time of night.
Article Snippet: Purpose: The frequency and duration of breathing events are influenced by sleep stage and time of day.. In the present study we examined if these modifications are linked to adaptations in the arousal threshold and/or the magnitude of respiratory effort during and immediately after breathing events.. Methods: Participants with sleep apnea slept for 3 h in the evening and morning.

Article Title: The ventilatory response to carbon dioxide and sustained hypoxia is enhanced after episodic hypoxia in OSA patients.
Article Snippet: Our primary hypothesis was that the acute ventilatory response to carbon dioxide in the presence of sustained hypoxia {VRCO2 (hypoxia)} or hyperoxia {VRCO2 (hyperoxia)} would increase in subjects with obstructive sleep apnea (OSA) after exposure to episodic hypoxia.. Secondarily, we hypothesized that chronic (i.e. years) exposure to episodic hypoxia, a hallmark of OSA, would facilitate persistent augmentation of respiratory activity (i.e. long-term facilitation) after acute (i.e. minutes) exposure to episodic hypoxia.. Nine healthy males with OSA that were healthy otherwise completed a series of rebreathing trials before and after exposure to eight 4 min episodes of hypoxia.

Article Title: Time of day affects the frequency and duration of breathing events and the critical closing pressure during NREM sleep in participants with sleep apnea.
Article Snippet: Mohamad El-Chami, David Shaheen, Blake Ivers, Ziauddin Syed, M. Safwan Badr, Ho-Sheng Lin, and Jason H. Mateika John D. Dingell Veterans Affairs Medical Center, Detroit, Michigan; Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan; Department of Internal Medicine, Wayne State University School of Medicine, Detroit, Michigan; Department of Otolaryngology-Head and Neck Surgery, Wayne State University School of Medicine and Karmanos Cancer Institute, Detroit, Michigan; and Department of Biomedical Engineering, Wayne State University Detroit, Michigan

Article Title: The impact of arousal state, sex, and sleep apnea on the magnitude of progressive augmentation and ventilatory long-term facilitation
Article Snippet: All physiological variables were analog-to-digitally converted at a sampling frequency of 100 Hz/channel and input into a microcomputer using a commercially available software package (Gamma version 4.0; Astro-Med, West Warwick, RI).



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