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1,899 claims from 1,171 papers are on the record. 46 have been checked so far; the other 1,853 have no check with a result yet.

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Status: Unchecked ×Keyword: BOLD signal fluctuations ×Clear all

3 claims from 2 papers

1. Neuroscience › Functional Brain Connectivity Studies

   Consistent resting-state networks across healthy subjects

   Damoiseaux, Rombouts, Barkhof et al. · Proceedings of the National Academy of Sciences · 2006

   Using a statistical method on resting fMRI scans, the study found brain activity patterns that were consistent across subjects and sessions, with signal changes comparable to those seen in task experiments.

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   1. UncheckedResting-state fMRI analysis found 10 brain patterns, linked to regions for movement, vision, memory and others, with signal changes up to 3%.“The analysis found 10 patterns with potential functional relevance, consisting of regions known to be involved in motor function, visual processing, executive functioning, auditory processing, memory, and the so-called default-mode network, each with BOLD signal changes up to 3%.”
   2. UncheckedIn this resting-state fMRI study, brain areas with a higher mean percentage BOLD signal were generally more consistent and varied least around the mean.“In general, areas with a high mean percentage BOLD signal are consistent and show the least variation around the mean.”

2. Neuroscience › Functional Brain Connectivity Studies

   Spontaneous low‐frequency BOLD signal fluctuations: An fMRI investigation of the resting‐state default mode of brain function hypothesis

   Fransson · Human Brain Mapping · 2005

   Using low-frequency fMRI signal changes in the resting brain, the study revisits the idea of a single 'default mode' and suggests the brain toggles between two modes.

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   1. UncheckedIn this fMRI study, the resting brain was not found to stay in one single mode of activity but to shift between modes.“The results show that the brain during rest is not tonically active in a single mode of brain function.”