Why is everyone talking about brain state?

AS Greene, C Horien, D Barson, D Scheinost… - Trends in …, 2023 - cell.com
The rapid and coordinated propagation of neural activity across the brain provides the
foundation for complex behavior and cognition. Technical advances across neuroscience …

The locus coeruleus-norepinephrine system in stress and arousal: unraveling historical, current, and future perspectives

JA Ross, EJ Van Bockstaele - Frontiers in psychiatry, 2021 - frontiersin.org
Arousal may be understood on a spectrum, with excessive sleepiness, cognitive dysfunction,
and inattention on one side, a wakeful state in the middle, and hypervigilance, panic, and …

Overview of functional magnetic resonance imaging

GH Glover - Neurosurgery Clinics of North America, 2011 - pmc.ncbi.nlm.nih.gov
Synopsis Blood Oxygen Level Dependent (BOLD) functional magnetic resonance imaging
(fMRI) depicts changes in deoxyhemoglobin concentration consequent to task-induced or …

[PDF][PDF] Interpreting the BOLD signal

NK Logothetis, BA Wandell - Annu. Rev. Physiol., 2004 - researchgate.net
■ Abstract The development of functional magnetic resonance imaging (fMRI) has brought
together a broad community of scientists interested in measuring the neural basis of the …

What does fMRI tell us about neuronal activity?

DJ Heeger, D Ress - Nature reviews neuroscience, 2002 - nature.com
In recent years, cognitive neuroscientists have taken great advantage of functional magnetic
resonance imaging (fMRI) as a non-invasive method of measuring neuronal activity in the …

The underpinnings of the BOLD functional magnetic resonance imaging signal

NK Logothetis - Journal of Neuroscience, 2003 - jneurosci.org
The good coverage and high resolution afforded by functional magnetic resonance imaging
(fMRI) make it an excellent tool for the noninvasive imaging of the human brain. Equally …

Imaging faster neural dynamics with fast fMRI: A need for updated models of the hemodynamic response

JR Polimeni, LD Lewis - Progress in neurobiology, 2021 - Elsevier
Fast fMRI enables the detection of neural dynamics over timescales of hundreds of
milliseconds, suggesting it may provide a new avenue for studying subsecond neural …

Alterations in the BOLD fMRI signal with ageing and disease: a challenge for neuroimaging

M D'Esposito, LY Deouell, A Gazzaley - Nature Reviews Neuroscience, 2003 - nature.com
Functional magnetic resonance imaging (fMRI) has rapidly emerged as a powerful tool for
studying brain function, despite the fact that it measures neuronal activity indirectly, through …

Biophysical and physiological origins of blood oxygenation level-dependent fMRI signals

SG Kim, S Ogawa - Journal of Cerebral Blood Flow & …, 2012 - journals.sagepub.com
After its discovery in 1990, blood oxygenation level-dependent (BOLD) contrast in functional
magnetic resonance imaging (fMRI) has been widely used to map brain activation in …

Neural correlates of consciousness in humans

G Rees, G Kreiman, C Koch - Nature Reviews Neuroscience, 2002 - nature.com
The directness and vivid quality of conscious experience belies the complexity of the
underlying neural mechanisms, which remain incompletely understood. Recent work has …