Positron Emission Tomography Correlates of Visually-Scored Electroencephalographic Waveforms During Non-Rapid Eye Movement Sleep

Picchioni, Dante; Killgore, William D. S.; Balkin, Thomas J.; Braun, Allen R.

doi:10.1080/00207450903139770

Cited by 7 publications

(7 citation statements)

References 55 publications

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“…In fact, most EEG patterns used to define sleep stage (e.g., power in alpha, delta, and sub-delta bands, K-complexes, spindles, see Table) have been studied in combination with fMRI (Andrade et al, 2011; Bergmann et al, 2012; Dang-Vu et al, 2005; Hofle et al, 1997; Jahnke et al, 2012; Larson-Prior et al, 2011; Laufs, 2008; Laufs et al, 2006; Olbrich et al, 2009; Picchioni et al, 2011; Picchioni et al, 2009; Schabus et al, 2007; Schabus et al, 2012) and, prior to that, with PET (e.g. (Dang-Vu et al, 2005; Hofle et al, 1997).…”

Section: Fmri Changes With Sleepmentioning

confidence: 99%

Sleep and the functional connectome

2013

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Sleep and the functional connectome are research areas with considerable overlap. Neuroimaging studies of sleep based on EEG-PET and EEG-fMRI are revealing the brain networks that support sleep, as well as networks that may support the roles and processes attributed to sleep. For example, phenomena such as arousal and consciousness are substantially modulated during sleep, and one would expect this modulation to be reflected in altered network activity. In addition, recent work suggests that sleep also has a number of adaptive functions that support waking activity. Thus the study of sleep may elucidate the circuits and processes that support waking function and complement information obtained from fMRI during waking conditions. In this review, we will discuss examples of this for memory, arousal, and consciousness after providing a brief background on sleep and on studying it with fMRI.

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Section: Fmri Changes With Sleepmentioning

confidence: 99%

Sleep and the functional connectome

2013

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“…Electroencephalography studies have identified four distinct classes of brain waves [4,5]. Alpha waves (8)(9)(10)(11)(12)(13) occur in adults who have their eyes closed or who are relaxed [6]. Beta waves (14-40 Hz) mainly occur in adults who are awake, alert or focused [7].…”

Section: Why Could Pulsing Be Important In Lllt?mentioning

confidence: 99%

“…Beta waves (14-40 Hz) mainly occur in adults who are awake, alert or focused [7]. Delta waves (1-3 Hz) occur mainly in infants, adults in deep sleep, or adults with brain tumors [8]. Theta waves (4-7 Hz) occur mainly in children ages 2-5 years old and in adults in the twilight state between sleeping and waking or in meditation [9].…”

Section: Why Could Pulsing Be Important In Lllt?mentioning

confidence: 99%

Effect of pulsing in low‐level light therapy

et al. 2010

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Background and Objective Low level light (or laser) therapy (LLLT) is a rapidly growing modality used in physical therapy, chiropractic, sports medicine and increasingly in mainstream medicine. LLLT is used to increase wound healing and tissue regeneration, to relieve pain and inflammation, to prevent tissue death, to mitigate degeneration in many neurological indications. While some agreement has emerged on the best wavelengths of light and a range of acceptable dosages to be used (irradiance and fluence), there is no agreement on whether continuous wave or pulsed light is best and on what factors govern the pulse parameters to be chosen. Study Design/Materials and Methods The published peer-reviewed literature was reviewed between 1970 and 2010. Results The basic molecular and cellular mechanisms of LLLT are discussed. The type of pulsed light sources available and the parameters that govern their pulse structure are outlined. Studies that have compared continuous wave and pulsed light in both animals and patients are reviewed. Frequencies used in other pulsed modalities used in physical therapy and biomedicine are compared to those used in LLLT. Conclusion There is some evidence that pulsed light does have effects that are different from those of continuous wave light. However further work is needed to define these effects for different disease conditions and pulse structures.

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“…We describe the concrete application of such a theoretical framework to the neuroimaging-based diagnosis of consciousness in the next section. (Fiset et al 1999), sleep (Braun et al 1997, Maquet et al 1990 Epilepsy (Engel et al 1982), K complex (Picchioni et al 2009) fMRI: oscillation (ALFF)…”

Section: Individual Results Analysismentioning

confidence: 99%

Measuring Consciousness in Severely Damaged Brains

Gosseries

Laureys

et al. 2014

Annu. Rev. Neurosci.

140

110

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Significant advances have been made in the behavioral assessment and clinical management of disorders of consciousness (DOC). In addition, functional neuroimaging paradigms are now available to help assess consciousness levels in this challenging patient population. The success of these neuroimaging approaches as diagnostic markers is, however, intrinsically linked to understanding the relationships between consciousness and the brain. In this context, a combined theoretical approach to neuroimaging studies is needed. The promise of such theoretically based markers is illustrated by recent findings that used a perturbational approach to assess the levels of consciousness. Further research on the contents of consciousness in DOC is also needed.

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Positron Emission Tomography Correlates of Visually-Scored Electroencephalographic Waveforms During Non-Rapid Eye Movement Sleep

Cited by 7 publications

References 55 publications

Sleep and the functional connectome

Sleep and the functional connectome

Effect of pulsing in low‐level light therapy

Measuring Consciousness in Severely Damaged Brains

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